Separating a JPanel accross the pages

Hello,
we currently have started a new project of a pure Java editor like word, but a light version.
The default layout we choosed is like the "Page" layout in word, it mean that our text will be separated accross the pages.
I want to know how to implement something like a JPanel accross multiple page.
I though about using multiple JPanel in a viewport, then the viewport inside a JScrolPane.
But our editor is up and working, and I don't know how I'll be able to separate the editing feature accross multiple JPanel. Imagine the user select text in two JPanel, how to handle that?
Regards
Kuon

Hello,
I am responsible about doing the same editor in pure Java now. Have you find how to do a page layout? I am glad if you share your solution with me. Thank you.
Meftun.

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This is divided in two parts. In the first one I describe the behavior and in the second I show work around and make a suggestion.
The need that started this was that the value an item needed to be recalculated each time de page was shown. This page could be called from buttons and from branches on other pages. So the logical place to put this calculation is in Computation of the Page Rendering phase. But, when a validation failed the value wasn't shown on the browser and I later discovered it was not calculated at all. I tried moving the calculation in a Process of the Page Rendering phase, but to that didn't worked either. So I needed to have a beter understanding of happens when a validation fails, ence this test.
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1. I created a blank page
-- In the Page Rendering part --
2. I created a region with the following properties
Identification
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- Type: PL/SQL (Anonymous block)
Source
- Region Source: wwv_flow.debug('> RENDER REGION Alpha SOURCE');
Conditional Display
- Condition Type: PL/SQL Function Body Returning a Boolean
- Expression 1: wwv_flow.debug('> RENDER REGION Alpha CONDITION'); RETURN TRUE;
Caching
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- Cache Condition Type: PL/SQL Function Body Returning a Boolean
- Expression 1: wwv_flow.debug('> RENDER REGION Alpha CACHE CONDITION'); RETURN TRUE;
3. I created an item with the following properties
Name
- Name: P1_X
- Display As: Textfield
Displayed
- Region: Alpha
Source
- Source Used: Always, replacing any existing value in session state
- Source Type: PL/SQL Function body
- Source value or expression: wwv_flow.debug('> RENDER ITEM P1_X SOURCE'); RETURN NULL;
- Post Calculation Computation: :P1_X || ' POST-CALCUL'
Default
- Default value: wwv_flow.debug('> RENDER ITEM P1_X DEFAULT'); RETURN 'RENDER ITEM P1_X DEFAULT';
- Default Value Type: PL/SQL Function body
Conditions
- Condition Type: PL/SQL Function Body Returning a Boolean
- Expression 1: wwv_flow.debug('> RENDER ITEM P1_X CONDITION'); wwv_flow.debug('> P1_X="'||:P1_X||'"'); RETURN TRUE;
Read Only
- Read Only Condition Type: PL/SQL Function Body Returning a Boolean
- Expression 1: wwv_flow.debug('> RENDER ITEM P1_X READ_ONLY CONDITION'); RETURN FALSE;
4. I created a second item with the following properties
- Name: P1_Y
- Display As: Textfield
Displayed
- Region: Alpha
Source
- Source Used: Only when current value in session state is null
- Source Type: PL/SQL Function body
- Source value or expression: wwv_flow.debug('> RENDER ITEM P1_Y SOURCE'); RETURN NULL;
- Post Calculation Computation: :P1_Y || ' POST-CALCUL'
Default
- Default value: wwv_flow.debug('> RENDER ITEM P1_Y DEFAULT'); RETURN 'RENDER ITEM P1_Y DEFAULT';
- Default Value Type: PL/SQL Function body
Conditions
- Condition Type: PL/SQL Function Body Returning a Boolean
- Expression 1: wwv_flow.debug('> RENDER ITEM P1_Y CONDITION'); wwv_flow.debug('> P1_Y="'||:P1_Y||'"'); RETURN TRUE;
Read Only
- Read Only Condition Type: PL/SQL Function Body Returning a Boolean
- Expression 1: wwv_flow.debug('> RENDER ITEM P1_Y READ-ONLY CONDITION'); RETURN FALSE;
5. I created a button with the following properties
Name
- Button Name: GO
- Text Label/Alt: Go
Displayed
- Display in Region: Alpha
- Button Position: Top of Region
Conditions
- Condition Type: PL/SQL Function Body Returning a Boolean
- Expression 1: wwv_flow.debug('> RENDER BUTTON Go CONDITION'); RETURN TRUE;
6. I created a second button with the following properties
Name
- Button Name: GOERRNULL
- Text Label/Alt: Go invalid
Displayed
- Display in Region: Alpha
- Button Position: Top of Region
Conditions
- Condition Type: PL/SQL Function Body Returning a Boolean
- Expression 1: wwv_flow.debug('> RENDER BUTTON Go invalid CONDITION'); RETURN TRUE;
7. I created a thrid button with the following properties
Name
- Button Name: RESET
- Text Label/Alt: Reset cache
Displayed
- Display in Region: Alpha
- Button Position: Top of Region
Conditions
- Condition Type: PL/SQL Function Body Returning a Boolean
- Expression 1: wwv_flow.debug('> RENDER BUTTON Reset CONDITION'); RETURN TRUE;
Optional URL Redirect
- Target is a: Page in this Appplication
- Page: 1
- resetpagination for this page: checked
- Request: RESET
- Clear Cache: 1
8. I created a computation with the following properties
Item Name
- Item Name: P1_Y
- Type: PL/SQL Function body
Computation Point
- Computation Point:Before Header
Source
- Computation: wwv_flow.debug('> RENDER CALCUL P1_Y SOURCE'); RETURN 'RENDER CALCUL P1_Y SOURCE';
Conditional Computations
- Condition Type: PL/SQL Function Body Returning a Boolean
- Expression 1: wwv_flow.debug('> RENDER CALCUL P1_Y CONDITION'); RETURN TRUE;
9. I created a process
Name
- Name: Beta
- Type: PL/SQL anonymous block
Process Point
- Process Point: On Load - Before Header
- Run Process: Once Per Page Visit (Default)
Source
- Process: wwv_flow.debug('> RENDER PROC Beta SOURCE');
Conditional Processing
- Condition Type: PL/SQL Function Body Returning a Boolean
- Expression 1: wwv_flow.debug('> RENDER PROC Beta CONDITION'); RETURN TRUE;
-- In the Page Processing part --
10. I created a computation
Item Name
- Item Name: P1_Y
- Type: PL/SQL Function body
Computation Point
- Computation Point:After Submit
Source
- Computation: wwv_flow.debug('> PROC CALCUL P1_Y SOURCE'); RETURN 'PROC CALCUL P1_Y SOURCE';
Conditional Computations
- Condition Type: PL/SQL Function Body Returning a Boolean
- Expression 1: wwv_flow.debug('> PROC CALCUL P1_Y CONDITION'); RETURN TRUE;
11. I created a second computation
Item Name
- Item Name: P1_X
- Type: PL/SQL Function body
Computation Point
- Computation Point:After Submit
Source
- Computation: wwv_flow.debug('> PROC CALCUL P1_X SOURCE'); RETURN NULL;
Conditional Computations
- Condition Type: PL/SQL Function Body Returning a Boolean
- Expression 1: wwv_flow.debug('> PROC CALCUL P1_X CONDITION'); RETURN TRUE;
12. I created a validation
Validation
- Name: Delta
- Type: Function Returning Boolean
- Validation Expression 1: wwv_flow.debug('> PROC VALIDATION Delta SOURCE'); RETURN FALSE;
Error Message
- Error Message: err msg
- Associated Item: P1_X
Conditionals
- When Button Pressed: GOERRNULL (Go invalid)
- Condition Type: PL/SQL Function Body Returning a Boolean
- Expression 1: wwv_flow.debug('> PROC VALIDATION Delta CONDITION'); RETURN TRUE;
13. I created a process
Name
- Name: Gamma
- Type: PL/SQL anonymous block
Process Point
- Process Point: On Submit - Before Computation and Validations
- Run Process: Once Per Page Visit (Default)
Source
- Process: wwv_flow.debug('> PROC PROC Gamma SOURCE');
Conditional Processing
- Condition Type: PL/SQL Function Body Returning a Boolean
- Expression 1: wwv_flow.debug('> PROC PROC Gamma CONDITION'); RETURN TRUE;
14. I created a second process
Name
- Name: Epsylon
- Type: PL/SQL anonymous block
Process Point
- Process Point: On Submit - After Computation and Validations
- Run Process: Once Per Page Visit (Default)
Source
- Process: wwv_flow.debug('> PROC PROC Epsylon SOURCE');
Conditional Processing
- Condition Type: PL/SQL Function Body Returning a Boolean
- Expression 1: wwv_flow.debug('> PROC PROC Epsylon CONDITION'); RETURN TRUE;
15. I created a branch
Point
- Branch Point: On Submit: After Processing (After Computation, Validation and Processiong)
Action
- Target Type: Page in this Application
- Page: 1
- include process success message: checked
Conditions
- Condition Type: PL/SQL Function Body Returning a Boolean
- Expression 1: wwv_flow.debug('> PROC BRANCH P1 CONDITION'); RETURN TRUE;
As can be seen, I've programmed all condition to be true and therefore making all objects do thier calculations.
Here is the debug output when we click on "Go". (a line number was added for easy refence)
{color:#999999}001 0.05: A C C E P T: Request="GO"
002 0.09: Metadata: Fetch application definition and shortcuts
003 0.09: NLS: wwv_flow.g_flow_language_derived_from=FLOW_PRIMARY_LANGUAGE: wwv_flow.g_browser_language=en-us
004 0.09: alter session set nls_language="AMERICAN"
005 0.09: alter session set nls_territory="AMERICA"
006 0.09: NLS: CSV charset=WE8MSWIN1252
007 0.09: ...NLS: Set Decimal separator="."
008 0.09: ...NLS: Set NLS Group separator=","
009 0.09: ...NLS: Set date format="DD-MON-RR"
010 0.09: ...Setting session time_zone to -05:00
011 0.09: ...Determine if user "FORD10" workspace "80447903191151509" can develop application "202" in workspace "80447903191151509"
012 0.09: Session: OK to reuse builder session for user:APEX_PUBLIC_USER
013 0.09: Fetch session state from database
014 0.10: ...Check session 2800365259756461 owner
015 0.10: ...Metadata: Fetch Page, Computation, Process, and Branch
016 0.10: Session: Fetch session header information
017 0.10: ...Metadata: Fetch page attributes for application 202, page 1
018 0.10: ...Validate item page affinity.
019 0.10: ...Validate hidden_protected items.
020 0.10: ...Check authorization security schemes
021 0.10: Session State: Save form items and p_arg_values
022 0.10: ...Session State: Save Item "P1_X" newValue="RENDER ITEM P1_X DEFAULT POST-CALCUL" "escape_on_input="N"
023 0.10: ...Session State: Saved Item "P1_Y" New Value="RENDER CALCUL P1_Y SOURCE POST_CALCUL"
024 0.10: Processing point: ON_SUBMIT_BEFORE_COMPUTATION
025 0.11: {color}{color:#ff9900}> PROC PROC Gamma CONDITION{color}{color:#999999}
026 0.11: ...Process "Gamma": PLSQL (ON_SUBMIT_BEFORE_COMPUTATION) wwv_flow.debug('> PROC PROC Gamma SOURCE');
027 0.11: {color}{color:#ff9900}> PROC PROC Gamma SOURCE{color}{color:#999999}
028 0.11: Branch point: BEFORE_COMPUTATION
029 0.11: Computation point: AFTER_SUBMIT
030 0.11: ...Evaluate condition "FUNCTION_BODY" for computation of item: P1_Y
031 0.11: {color}{color:#ff9900}> PROC CALCUL P1_Y CONDITION{color}{color:#999999}
032 0.11: ...Perform computation of item: P1_Y, type=FUNCTION_BODY
033 0.11: ...Performing function body computation
034 0.12: {color}{color:#ff9900}> PROC CALCUL P1_Y SOURCE{color}{color:#999999}
035 0.12: ...Session State: Saved Item "P1_Y" New Value="PROC CALCUL P1_Y SOURCE"
036 0.12: ...Evaluate condition "FUNCTION_BODY" for computation of item: P1_X
037 0.12: {color}{color:#ff9900}> PROC CALCUL P1_X CONDITION{color}{color:#999999}
038 0.12: ...Perform computation of item: P1_X, type=FUNCTION_BODY
039 0.12: ...Performing function body computation
040 0.12: {color}{color:#ff9900}> PROC CALCUL P1_X SOURCE{color}{color:#999999}
041 0.12: ...Session State: Saved Item "P1_X" New Value=""
042 0.12: Tabs: Perform Branching for Tab Requests
043 0.12: Branch point: BEFORE_VALIDATION
044 0.12: Perform validations:
045 0.12: {color}{color:#ff9900}> PROC VALIDATION Delta CONDITION{color}{color:#999999}
046 0.12: ...PL/SQL "function body returning boolean" Validation: wwv_flow.debug('> PROC VALIDATION Delta SOURCE'); RETURN :REQUEST 'GOERRNULL';
047 0.12: {color}{color:#ff9900}> PROC VALIDATION Delta SOURCE{color}{color:#999999}
048 0.13: Branch point: BEFORE_PROCESSING
049 0.13: Processing point: AFTER_SUBMIT
050 0.13: {color}{color:#ff9900}> PROC PROC Epsylon CONDITION{color}{color:#999999}
051 0.13: ...Process "Epsylon": PLSQL (AFTER_SUBMIT) wwv_flow.debug('> PROC PROC Epsylon SOURCE');
052 0.13: {color}{color:#ff9900}> PROC PROC Epsylon SOURCE{color}{color:#999999}
053 0.13: Branch point: AFTER_PROCESSING
054 0.13: ...Evaluating Branch: AFTER_PROCESSING type: "REDIRECT_URL" button: (No Button Pressed) branch: wwv_flow.debug('> PROC BRANCH P1 C5NDITION'); RETURN TRUE;
055 0.14: {color}{color:#ff9900}> PROC BRANCH P1 CONDITION{color}{color:#999999}
0.00:
0.00: S H O W: application="202" page="1" workspace="" request="" session="2800365259756461"
0.00: Language derived from: FLOW_PRIMARY_LANGUAGE, current browser language: en-us
056 0.00: alter session set nls_language="AMERICAN"
057 0.00: alter session set nls_territory="AMERICA"
058 0.00: NLS: CSV charset=WE8MSWIN1252
059 0.00: ...NLS: Set Decimal separator="."
060 0.00: ...NLS: Set NLS Group separator=","
061 0.00: ...NLS: Set date format="DD-MON-RR"
062 0.01: ...Setting session time_zone to -05:00
063 0.01: NLS: Language=en-us
064 0.01: Application 202, Authentication: CUSTOM2, Page Template: 2204612885682472
065 0.01: ...Determine if user "FORD10" workspace "80447903191151509" can develop application "202" in workspace "80447903191151509"
066 0.01: ...ok to reuse builder session for user:APEX_PUBLIC_USER
067 0.01: ...Application session: 2800365259756461, user=APEX_PUBLIC_USER
068 0.01: ...Determine if user "FORD10" workspace "80447903191151509" can develop application "202" in workspace "80447903191151509"
069 0.01: Session: Fetch session header information
070 0.01: ...Metadata: Fetch page attributes for application 202, page 1
071 0.01: Fetch session state from database
072 0.01: Branch point: BEFORE_HEADER
073 0.01: Fetch application meta data
074 0.02: Computation point: BEFORE_HEADER
075 0.02: ...Evaluate condition "FUNCTION_BODY" for computation of item: P1_Y
076 0.02: {color}{color:#ff9900}> RENDER CALCUL P1_Y CONDITION{color}{color:#999999}
077 0.02: ...Perform computation of item: P1_Y, type=FUNCTION_BODY
078 0.02: ...Performing function body computation
079 0.02: {color}{color:#ff9900}> RENDER CALCUL P1_Y SOURCE{color}{color:#999999}
080 0.02: ...Session State: Saved Item "P1_Y" New Value="RENDER CALCUL P1_Y SOURCE"
081 0.02: Processing point: BEFORE_HEADER
082 0.02: {color}{color:#ff9900}> RENDER PROC Beta CONDITION{color}{color:#999999}
083 0.02: ...Process "Beta": PLSQL (BEFORE_HEADER) wwv_flow.debug('> RENDER PROC Beta SOURCE');
084 0.02: {color}{color:#ff9900}> RENDER PROC Beta SOURCE{color}{color:#999999}
085 0.02: Show page template header
086 0.03: Computation point: AFTER_HEADER
087 0.03: Processing point: AFTER_HEADER
088 0.03: Computation point: BEFORE_BOX_BODY
089 0.03: Processing point: BEFORE_BOX_BODY
090 0.03: Region: Alpha
091 0.03: {color}{color:#ff9900}> RENDER REGION Alpha CONDITION{color}{color:#999999}
Alpha
092 0.03: {color}{color:#ff9900}> RENDER BUTTON Go CONDITION{color}{color:#999999}
093 0.03: {color}{color:#ff9900}> RENDER BUTTON Go invalid CONDITION{color}{color:#999999}
094 0.03: {color}{color:#ff9900}> RENDER BUTTON Reset CONDITION{color}{color:#999999}
Go Go invalid Reset cache
095 0.03: {color}{color:#ff9900}> RENDER ITEM P1_X CONDITION{color}{color:#999999}
096 0.03: > P1_X=""
097 0.03: {color}{color:#ff9900}> RENDER ITEM P1_X READ_ONLY CONDITION{color}{color:#999999}
098 0.03: Item: P1_X TEXT
099 0.03: {color}{color:#ff9900}> RENDER ITEM P1_X SOURCE{color}{color:#999999}
100 0.03: {color}{color:#ff9900}> RENDER ITEM P1_X DEFAULT{color}{color:#999999}
X RENDER ITEM P1_X DEFAULT POST-CALCUL
101 0.03: {color}{color:#ff9900}> RENDER ITEM P1_Y CONDITION{color}{color:#999999}
102 0.03: > P1_Y="RENDER CALCUL P1_Y SOURCE"
103 0.04: {color}{color:#ff9900}> RENDER ITEM P1_Y READ-ONLY CONDITION{color}{color:#999999}
104 0.04: Item: P1_Y TEXT
Y RENDER CALCUL P1_Y SOURCE POST_CALCUL
105 0.04: {color}{color:#ff9900}> RENDER REGION Alpha SOURCE{color}{color:#999999}
106 0.04: Computation point: AFTER_BOX_BODY
107 0.04: Processing point: AFTER_BOX_BODY
108 0.04: Computation point: BEFORE_FOOTER
109 0.04: Processing point: BEFORE_FOOTER
110 0.04: Show page tempate footer
111 0.04: Computation point: AFTER_FOOTER
112 0.04: Processing point: AFTER_FOOTER
113 0.04: Log Activity:
114 0.04: Execute Count=0
115 0.04: End Show:{color}
Here is the debug output when we click on "Go invlid". (a line number was added for easy refence)
{color:#999999}201 0.14: A C C E P T: Request="GOERRNULL"
202 0.19: Metadata: Fetch application definition and shortcuts
203 0.19: NLS: wwv_flow.g_flow_language_derived_from=FLOW_PRIMARY_LANGUAGE: wwv_flow.g_browser_language=en-us
204 0.19: alter session set nls_language="AMERICAN"
205 0.19: alter session set nls_territory="AMERICA"
206 0.19: NLS: CSV charset=WE8MSWIN1252
207 0.19: ...NLS: Set Decimal separator="."
208 0.20: ...NLS: Set NLS Group separator=","
209 0.20: ...NLS: Set date format="DD-MON-RR"
210 0.20: ...Setting session time_zone to -05:00
211 0.24: ...Determine if user "FORD10" workspace "80447903191151509" can develop application "202" in workspace "80447903191151509"
212 0.24: Session: OK to reuse builder session for user:APEX_PUBLIC_USER
213 0.24: Fetch session state from database
214 0.29: ...Check session 2800365259756461 owner
215 0.29: ...Metadata: Fetch Page, Computation, Process, and Branch
216 0.29: Session: Fetch session header information
217 0.29: ...Metadata: Fetch page attributes for application 202, page 1
218 0.30: ...Validate item page affinity.
219 0.30: ...Validate hidden_protected items.
220 0.30: ...Check authorization security schemes
221 0.30: Session State: Save form items and p_arg_values
222 0.31: ...Session State: Saved Item "P1_X" New Value="RENDER ITEM P1_X DEFAULT POST-CALCUL"
223 0.31: ...Session State: Saved Item "P1_Y" New Value="RENDER CALCUL P1_Y SOURCE POST_CALCUL"
224 0.31: Processing point: ON_SUBMIT_BEFORE_COMPUTATION
225 0.32: {color}{color:#ff9900}> PROC PROC Gamma CONDITION{color}{color:#999999}
226 0.32: ...Process "Gamma": PLSQL (ON_SUBMIT_BEFORE_COMPUTATION) wwv_flow.debug('> PROC PROC Gamma SOURCE');
227 0.32: {color}{color:#ff9900}> PROC PROC Gamma SOURCE{color}{color:#999999}
228 0.33: Branch point: BEFORE_COMPUTATION
229 0.33: Computation point: AFTER_SUBMIT
230 0.33: ...Evaluate condition "FUNCTION_BODY" for computation of item: P1_Y
231 0.34: {color}{color:#ff9900}> PROC CALCUL P1_Y CONDITION{color}{color:#999999}
232 0.34: ...Perform computation of item: P1_Y, type=FUNCTION_BODY
233 0.34: ...Performing function body computation
234 0.34: {color}{color:#ff9900}> PROC CALCUL P1_Y SOURCE{color}{color:#999999}
235 0.34: ...Session State: Saved Item "P1_Y" New Value="PROC CALCUL P1_Y SOURCE"
236 0.34: ...Evaluate condition "FUNCTION_BODY" for computation of item: P1_X
237 0.34: {color}{color:#ff9900}> PROC CALCUL P1_X CONDITION{color}{color:#999999}
238 0.34: ...Perform computation of item: P1_X, type=FUNCTION_BODY
239 0.34: ...Performing function body computation
240 0.35: {color}{color:#ff9900}> PROC CALCUL P1_X SOURCE{color}{color:#999999}
241 0.35: ...Session State: Saved Item "P1_X" New Value=""
242 0.35: Tabs: Perform Branching for Tab Requests
243 0.35: Branch point: BEFORE_VALIDATION
244 0.35: Perform validations:
245 0.75: {color:#ff9900}> PROC VALIDATION Delta CONDITION{color}{color:#999999}
246 0.76: ...PL/SQL "function body returning boolean" Validation: wwv_flow.debug('> PROC VALIDATION Delta SOURCE'); RETURN FALSE;
247 0.78: {color}{color:#ff9900}> PROC VALIDATION Delta SOURCE{color}{color:#999999}
248 0.78: ...{color}{color:#ff0000}Validation did NOT pass{color}{color:#999999}
249 0.78: ...{color}{color:#ff0000}Inline validation error count = 1{color}{color:#999999}
250 0.86: Show current page with inline validations
251 0.87:
252 0.87: S H O W: application="202" page="1" workspace="" request="" session="2800365259756461"
253 0.87: NLS: Language=en-us
254 0.87: Application 202, Authentication: CUSTOM2, Page Template: 2204612885682472
255 0.88: ...Determine if user "FORD10" workspace "80447903191151509" can develop application "202" in workspace "80447903191151509"
256 0.88: ...ok to reuse builder session for user:APEX_PUBLIC_USER
257 0.88: ...Application session: 2800365259756461, user=APEX_PUBLIC_USER
258 0.88: ...Determine if user "FORD10" workspace "80447903191151509" can develop application "202" in workspace "80447903191151509"
259 0.88: ...Metadata: Fetch page attributes for application 202, page 1
260 0.88: Branch point: BEFORE_HEADER
261 0.88: Fetch application meta data
262 0.88: Computation point: BEFORE_HEADER
263 0.88: ...Evaluate condition "FUNCTION_BODY" for computation of item: P1_Y
264 0.92: {color}{color:#99cc00}> RENDER CALCUL P1_Y CONDITION{color}{color:#999999}
265 0.92: Processing point: BEFORE_HEADER
266 0.92: ......Do not perform process because inline validation condition found.
267 0.92: ...Do not run process "Beta", process point=BEFORE_HEADER, condition type=FUNCTION_BODY, when button pressed=
268 0.92: ...Recompute field lables for fields in error.
269 0.97: Show page template header
270 1.20: Computation point: AFTER_HEADER
271 1.20: Processing point: AFTER_HEADER
1 error has occurred
* Error msg
272 1.20: Computation point: BEFORE_BOX_BODY
273 1.20: Processing point: BEFORE_BOX_BODY
274 1.21: Region: Alpha
275 1.23: {color}{color:#ff9900}> RENDER REGION Alpha CONDITION{color}{color:#999999}
Alpha
276 1.25: {color}{color:#ff9900}> RENDER BUTTON Go CONDITION{color}{color:#999999}
277 1.25: {color}{color:#ff9900}> RENDER BUTTON Go invalid CONDITION{color}{color:#999999}
278 1.28: {color}{color:#ff9900}> RENDER BUTTON Reset CONDITION{color}{color:#999999}
Go Go invalid Reset cache
279 1.30: {color}{color:#ff9900}> RENDER ITEM P1_X CONDITION{color}{color:#999999}
280 1.30: > P1_X=""
281 1.30: {color}{color:#ff9900}> RENDER ITEM P1_X READ_ONLY CONDITION{color}{color:#999999}
282 1.30: Item: P1_X TEXT
X POST-CALCUL
Error msg
283 1.30: {color}{color:#ff9900}> RENDER ITEM P1_Y CONDITION{color}{color:#999999}
284 1.30: > P1_Y="PROC CALCUL P1_Y SOURCE"
285 1.31: {color}{color:#ff9900}> RENDER ITEM P1_Y READ-ONLY CONDITION{color}{color:#999999}
286 1.31: Item: P1_Y TEXT
Y PROC CALCUL P1_Y SOURCE POST_CALCUL
287 1.32: {color}{color:#ff9900}> RENDER REGION Alpha SOURCE{color}{color:#999999}
288 1.32: Computation point: AFTER_BOX_BODY
289 1.32: Processing point: AFTER_BOX_BODY
290 1.32: Computation point: BEFORE_FOOTER
291 1.32: Processing point: BEFORE_FOOTER
292 1.32: Show page tempate footer
293 1.32: Computation point: AFTER_FOOTER
294 1.32: Processing point: AFTER_FOOTER
295 1.32: Log Activity:
296 1.32: Execute Count=0
297 1.32: End Show:{color}
Looking at those debug output, I was able to find a workaround. Look at the line 264 and compare that to the lines 076 to 080. What I did is put the computation in the condition. This way, I'm garanteed that the calculation is always done. Here is an exemple:
A Computation (in the Page Rendering part)
Item Name
- Item Name: P1_Y
- Type: PL/SQL Function body
Computation Point
- Computation Point:After Submit
Source
- Computation: RETURN :P1_Y; -- Never executed. Look in the condition for computation
Conditional Computations
- Condition Type: PL/SQL Function Body Returning a Boolean
- Expression 1: :P1_Y := COMPUTE(); RETURN FALSE;
This works but totally break the semantics created in APEX.
Suggestion:
In the Page rendering phase, when a validation fails, the source compution found in a Item (in that case the value is taken from the session state), in a Computation or in Process is never executed.
This should revised.
Their should be a way for the programmer to choose what behavior the rendering phase will have when a validation fails other than using a workaround that might break in futur versions of APEX.
Edited by: user4591233 on Nov 19, 2008 6:32 AM
Edited by: user4591233 on Nov 19, 2008 6:34 AM

Dominique,
Thank you for the detailed problem description. Although you posted it some ten hours ago I have just now finished reading it.
Form pages must be built so they can operate correctly when inline validation errors are displayed. The assumption (by the engine) is that session state (and package state) as it exists at the point the validations are performed is sufficient (and correct) to support the redisplay of the page without the need to fire on-load processes or computations. Session state or package state changes made by after-submit computations or after-submit/before computations/validations processes that prevent correct page behavior on the "validation redisplay" must be avoided.
The condition types Inline Validation Errors Displayed/No Inline Validation Errors Displayed can be used for on-load events/controls (processes, computations, regions, items, ...) for which you need finer control over this behavior.
Also, you can forgo the use of after-submit computations when the resulting alteration of session state would be inimical to proper "validation redisplay" behavior and use On Submit - After Computations and Validations processes instead.
I hope I have understood your situation and that this answer adequately answers your questions.
Scott

"Safari can't open the page because it can't find the server"

I just bought my iPhone. The first time I attempted to log onto my home wireless network (US Robotics Wireless Router) the iPhone performed perfectly. However, the next time I attempted to logon and surf it gave me the "Safari can't open the page because it can't find the server" error message. I tried a variety of things which didn't work. I called the Apple Tech Support. Turning off the router and rebooting it was the only thing that worked. I thought my problem was resolved because after cycling the router the iPhone worked great once again. But . . . later the same day I attempted to connect to the router and the same thing happened and I got the error message. I attempted to power cycle the router just like before but this time it did not work! Help! Bad router? Wrong settings on router or iPhone?

Do you have other wireless devices connected to this same router? Do they work?
I really can't help you much but to say that when my router exhibited this issue it was accross the board (all notebooks would connect immediately following a router restart, but would loss connectivity until I rebooted the router again). In my case the only solution that was permanent was to replace the router.
You may also try restarting the phone and the router, setup security - WEP - (or disable security) on the router and phone, and/or try a different wi-fi channel (may actually help).

How to print the JFrame In The Center Of The Page?

hi there in the following code iam trying to print a JFrame
but the frame appear in the printed page at the top left
and i want it to appear in the top center of the page
how to do that?
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.awt.print.*;
class PrintUIWindow implements Printable, ActionListener {
    JFrame frameToPrint;
    public int print(Graphics g, PageFormat pf, int page) throws
                                                        PrinterException {
        if (page > 0) {
            return NO_SUCH_PAGE;
        Graphics2D g2d = (Graphics2D)g;
        g2d.translate(pf.getImageableX(), pf.getImageableY()-55);
        frameToPrint.print(g);
        return PAGE_EXISTS;
    public void actionPerformed(ActionEvent e) {
         PrinterJob job = PrinterJob.getPrinterJob();
         job.setPrintable(this);
         boolean ok = job.printDialog();
         if (ok) {
             try {
                  job.print();
             } catch (PrinterException ex) {
    public PrintUIWindow(JFrame f) {
        frameToPrint = f;
    public static void main(String args[]) {
        UIManager.put("swing.boldMetal", Boolean.FALSE);
        JFrame f = new JFrame("Print UI Example");
        f.addWindowListener(new WindowAdapter() {
           public void windowClosing(WindowEvent e) {System.exit(0);}
        JLabel label1=new JLabel("Selling Bill",JLabel.CENTER);
        JLabel label2=new JLabel("Customer Name :Mahmoud Saleh       ",JLabel.LEFT);
        JLabel label3=new JLabel("Buying Date :29/8/2008             ",JLabel.LEFT);
        JLabel label4=new JLabel("Book Buyed :Java Printing          ",JLabel.LEFT);
        JLabel label5=new JLabel("Number : 6 Copies                  ",JLabel.LEFT);
        JLabel label6=new JLabel("Total Price :600 $                 ",JLabel.LEFT);
        label1.setFont(new Font("Courier New", Font.BOLD, 13));
        label2.setFont(new Font("Courier New", Font.BOLD, 13));
        label3.setFont(new Font("Courier New", Font.BOLD, 13));
        label4.setFont(new Font("Courier New", Font.BOLD, 13));
        label5.setFont(new Font("Courier New", Font.BOLD, 13));
        label6.setFont(new Font("Courier New", Font.BOLD, 13));
        JButton printButton = new JButton("Print This Window");
        printButton.addActionListener(new PrintUIWindow(f));
        JPanel panel=new JPanel();
        panel.setLayout(new GridLayout(6,1));
        panel.add(label1);
        panel.add(label2);
        panel.add(label3);
        panel.add(label4);
        panel.add(label5);
        panel.add(label6);
        f.setSize(300,300);
        f.setLocationRelativeTo(null);
        f.add(panel,BorderLayout.CENTER);
        f.add(printButton,BorderLayout.SOUTH);
        panel.setBackground(Color.WHITE);
        f.setResizable(false);
        f.setVisible(true);
}

First_knight wrote:
please tell me am i thinking right
about this method: setImageableArea(.....)
public void setImageableArea(double x, double y, double width, double height);
like I said, I've tried this method and it doesn't seem to do anything.
the width=the JFrame Width,the height=the JFrame Height right?actually, when printing, 72 points (printing version of pixels) = 1 inch, so to do WYSIWYG, you need width = JFrameWidth * 72.0 / Toolkit.getToolkit().getScreenResolution. Ditto with height
upper left beginningx(0)---------------------------200--------------------------------600-----------------------------------y(1000)upper right beginningyou need to do something like PageSetup.getImageableX and do Graphics.translate(x,y);
also, if your page width = 720, that = 10 inches - that's a wide page (unless its in landscape)
so if i want the JFrame To Be In The Center Of The Page I Would Choose From x=200 ,y=600 depending that frame width is 400Actually, it would be 300 - 700 in your example
Because when i tried to use:setImageableArea(200, 600, 400, 200);like the above code
no changes occurs in the printed paperYes. You need to offset the Graphics object

How to get page numbers in top of the page

Hi Experts,
I need the page no's in top of the page, in the below logic how to put it. Could u please help me out for this.
With best regards
Sreedhar.
*&      Form COMMENT_BUILD
      text
     -->P_GT_LIST_TOP_OF_PAGE[] text
FORM COMMENT_BUILD USING LT_TOP_OF_PAGE TYPE
                       SLIS_T_LISTHEADER.
DATA: LS_LINE TYPE SLIS_LISTHEADER.
CLEAR LS_LINE.
LS_LINE-TYP = 'H'.
LS_LINE-INFO = TEXT-001.
APPEND LS_LINE TO LT_TOP_OF_PAGE.
CLEAR LS_LINE.
LS_LINE-TYP = 'A'.
SELECT SINGLE * FROM T001W WHERE
                  WERKS IN WERKS.
CONCATENATE 'Name Of The Plant ' '-' T001W-NAME1 INTO
                        TXT SEPARATED BY SPACE.
LS_LINE-INFO = TXT.
APPEND LS_LINE TO LT_TOP_OF_PAGE.
CLEAR:TXT, LS_LINE.
LS_LINE-TYP = 'H'.
LS_LINE-INFO = TEXT-002.
APPEND LS_LINE TO LT_TOP_OF_PAGE.
CLEAR LS_LINE.
IF WERKS-HIGH EQ SPACE.
CONCATENATE 'Plant : ' WERKS-LOW INTO TXT.
ELSE.
CONCATENATE 'FROM PLANT : ' WERKS-LOW 'TO PLANT : ' WERKS-HIGH INTO TXT
SEPARATED BY SPACE.
ENDIF.
LS_LINE-TYP = 'H'.
LS_LINE-INFO = TXT.
APPEND LS_LINE TO LT_TOP_OF_PAGE.
IF BUDAT-HIGH EQ SPACE.
BUDAT-HIGH = BUDAT-LOW.
ENDIF.
CONCATENATE 'Date : From ' BUDAT-LOW6(2) '-' BUDAT-LOW4(2) '-'
                      BUDAT-LOW0(4) 'to' BUDAT-HIGH6(2) '-'
                      BUDAT-HIGH4(2) '-' BUDAT-HIGH0(4) INTO
                      TXT SEPARATED BY SPACE.
CLEAR LS_LINE.
LS_LINE-TYP = 'A'.
LS_LINE-INFO = TXT.
APPEND LS_LINE TO LT_TOP_OF_PAGE.
ENDFORM.

Hi,
You can use Sy-pagno or sy-cpage to display the page number.
Add the following sample code:
CLEAR LS_LINE.
   LS_LINE-TYP = 'A'.
   LS_LINE-INFO = sy-pagno.
   APPEND LS_LINE TO LT_TOP_OF_PAGE.

Received adobe photoshop elements 12/adobe premiere elements 12 when I purchased a MacBook Pro. The macBook Pro does not have a DVD player it is sold separately. To install the program can I download a free trial version and then use the serial numb

Received adobe photoshop elements 12/adobe premiere elements 12 when I purchased a MacBook Pro. The macBook Pro does not have a DVD player it is sold separately. To install the program can I download a free trial version and then use the serial numbers from the set I received?

yes, that's exactly what you should do,
Downloads available:
Suites and Programs: CC | CS6 | CS5.5 | CS5 | CS4 | CS3
Acrobat: XI, X | 9,8 | 9 standard
Premiere Elements: 12 | 11, 10 | 9, 8, 7
Photoshop Elements: 12 | 11, 10 | 9,8,7
Lightroom: 5 | 4 | 3
Captivate: 7 | 6 | 5
Contribute: CS5 | CS4, CS3
Download and installation help for Adobe links
Download and installation help for Prodesigntools links are listed on most linked pages. They are critical; especially steps 1, 2 and 3. If you click a link that does not have those steps listed, open a second window using the Lightroom 3 link to see those 'Important Instructions'.

Sending a JPanel to the printer...

All,
I wasn't sure if this was the appropriate forum for this, but I couldn't find one specific to printint to a printer.
I'm trying to send a JPanel to a printer.
I have the following routine which seems to more or less work, but exhibits a few problems. I've gotten most of the code off a website.
public class PrintUtilities implements Printable {
private Component componentToBePrinted;
public static void printComponent(Component c) {
    new PrintUtilities(c).print();
public PrintUtilities(Component componentToBePrinted) {
    this.componentToBePrinted = componentToBePrinted;
public void print() {
    PrinterJob printJob = PrinterJob.getPrinterJob();
    printJob.setPrintable(this);
    if (printJob.printDialog())
      try {
        printJob.print();
      } catch(PrinterException pe) {
        System.out.println("Error printing: " + pe);
public int print(Graphics g, PageFormat pageFormat, int pageIndex) {
    if (pageIndex > 0) {
      return(NO_SUCH_PAGE);
    } else {
      Graphics2D g2d = (Graphics2D)g;
      g2d.translate(pageFormat.getImageableX(), pageFormat.getImageableY());
      disableDoubleBuffering(componentToBePrinted);
          // scale to fill the page
          double dw = pageFormat.getImageableWidth();
          double dh = pageFormat.getImageableHeight();
          Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
          double xScale = dw / screenSize.width;
          double yScale = dh / screenSize.height;
          double scale = Math.min(xScale,yScale);
          // center the chart on the page
          double tx = 0.0;
          double ty = 0.0;
          if (xScale > scale)
              tx = 0.5*(xScale-scale)*screenSize.width;
          else
              ty = 0.5*(yScale-scale)*screenSize.height;
          g2d.translate(tx, ty);
          g2d.scale(scale, scale);
          componentToBePrinted.paint(g2d);
          enableDoubleBuffering(componentToBePrinted);
          return Printable.PAGE_EXISTS;
/** The speed and quality of printing suffers dramatically if
   * any of the containers have double buffering turned on.
   * So this turns if off globally.
   * @see enableDoubleBuffering
public static void disableDoubleBuffering(Component c) {
    RepaintManager currentManager = RepaintManager.currentManager(c);
    currentManager.setDoubleBufferingEnabled(false);
/** Re-enables double buffering globally. */
public static void enableDoubleBuffering(Component c) {
    RepaintManager currentManager = RepaintManager.currentManager(c);
    currentManager.setDoubleBufferingEnabled(true);
}Now I get things to print by calling the printComponent method and passing in my JPanel. No problem, the scaling and all works.
However, whether I scale things to fit the page, or remove that code, I get some strange behavior.
The JPanel has a few JLabels scattered about in a GridBagLayoutt, in three general columns.
However, I've noticed that some of the items in each column get truncated and have "..." tacked onto the end. But it doesn't do this to just the longest items, it also does it to shorter items, even if a longer one in the same column was NOT truncated in this manner.
So, what I'll have in one column is something like:
A long line that's been truncated...
a short line, no problem
a short line truncated...
longer than above, not truncated
On screen, it's normal. Printed out, those weird truncations occur.
Why is this happening? There's plenty of room, and each of the lines that are getting truncated could easily be 1-1/2 times their length without the danger of bumping into the next column.
Is there any way to for me to force it to print the entire line?
Thanks!

ADDENDUM: Another problem I'd like to solve is that, the JPanel is gray with black text. I'm fine with that onscreen, but when it prints out, it prints a gray rectangle for the panel, with black text on it. Is there any way I can have this not print out the background as well (ie: treat background as white and only print the text that's on the JPanel?)

Window.open() will open separated windows even using the same window name?

Hi, I have below two test html pages as below(could not find a way to insert a attachment, so paste the content below). The reproduce step is as below: (My environment is Win8.1 with IE11)
1. Open print_test.html page in IE, here we call page1.
2. Click "File -> New Session" menu from IE menu bar, which will open another new IE window which display another " print_test.html" page, here we call page 2.
3. Click "Print" hyper-link in page1, and a popup window which display "print_test_open.html" page, counting begins from 1, here we call it page 3.
4. Click "Print" hyper-link in page2, and another popup window which display "print_test_open.html" page, counting begins from 1, here we call it page 4.
However, the behavior above is totally different on my Win7 (64 bit) with IE 10, which is in step 4, when I click "Print" hyper-link in page2, instead of open a new popup window, the window for page 3 will be reused and counting will restart from
1.
I googled and know from MDN for window.open() and get below information to indicate that in my test pages, I use the same window name, so that the existed window with the same name will be reused is as expected, but however, why IE behave differently in
Win8.1 with IE 11? Why the existed window could not be reused anymore?
If a window with the name strWindowName already exists, then, instead of opening a new window, strUrl is loaded into the existing window. In this case the return value of the method is the existing window.
The behavior in Win8.1 + IE 11 is similar with what Google Chrome does, and Chrome's explanation is that two separated window using separated processes which do no share information, so that even using the same window name. twp separated windows will
popup.. So I am confused here, IE 10 and IE 11 are both using multi-process mechanism right? I saw from the Windows Task Manager, when using "File -> New Session" to open another print_test.html page in step 2. both IE 10 and IE 11 are opening
4 iexplore.exe processes, two of them are 64 bit, and two of them are 32 bit. I can't see any configuration difference between these two envs, but why the behavior is so different?
Could anyone give some help and clarify here? Great thanks in advance.
Oh, btw, another colleague can reproduce the issue (open separated windows even using the same window name) in his Win7 64 bit with IE 10 env, but could not reproduce in his Win 32 bit with IE 10 env... Hope this information could also do help.
======================== Test pages ===============================
(1) print_test.html
<!DOCTYPE html>
<html>
<head>
<title>Print test</title>
<head>
<body>
<h1>Print test</h1>
<p><a href="javascript:void(0)" onclick='window.open("print_test_open.html", "test");'>Print</a></p>
<p><a href="javascript:void(0)" onclick='window.open("print_test_open.html", "test"); myWindow.location.reload(true);'>Print (force refresh)</a></p>
</body>
</html>
(2) print_test_open.html
<!DOCTYPE html>
<html>
<head>
<title>Open</title>
<head>
<body>
<h1>
<div id="count">Test</div>
</h1>
<p>Test</p>
<script type="text/javascript">
var e = document.getElementById("count");
sessionStorage['count'] = 0;
function timedCount() {
   i = sessionStorage['count'];
   i++;
   sessionStorage['count'] = i;
   e.innerHTML = "Count: " + i;
   setTimeout(function(){timedCount()},100);
timedCount();
</script>
</body>
</html>

Hi,
please try in noAddons mode and with the IE Popup blocker turned off. Also ensure you are using the default IE Security zone settings. Internet Options>Security tab, click "Reset all zones to default"
To debug your scripts in IE11.
Tools>Internet Options>Advanced tab, check "Always record developer console messages".
start your test and display the developer tool console to display suppressed errors and warnings.
(I don't see where myWindow is assigned).
"If a window with the name strWindowName already exists, then, instead of opening a new window, strUrl is loaded into the existing window. In this case the return value of the method is the existing window."
window.open has an optional 'replace' parameter...
http://msdn.microsoft.com/en-us/library/ie/ms536651(v=vs.85).aspx
to reuses a tab or window
window.open({url},[name],[placement],[replace])
If possible can you please provide a publicly accessible link to your test pages as we need to inspect the response headers to monitor what is cached.
or
f12>Networking tab, click 'Start' button, then proceed with your test plan.
Regards.
Rob^_^

Why is the page not the size of the screen?

when I open Firefox whether in full screen or not the page only uses the center of the screen.I>E> always has a 5 inch border on both sides. The menu bars go accross the whole screen. Even using zoom doesn't cure this. very irritating if this cannot be fixed I will have no use for Firefox.

No. Everything is clear but does not fill screen

How to enable the Pages's endnote citation ? Thanks

I just installed the Pages's endnote plugin and I still cannot see the function on menu bar activated.Pages version 5.5.2, Endnote plugin version 2.0. Anyone who can help ? Thank you !

You need to buy Endnote separately.

VO got executed but is not showing the rows on the page the first time

Hi, Below are my senario:
I have one jspx which contain a panel tab and 2 tabs inside it: tab A and tab B, under each tab is its own taskflow, jsff page, and its own AM and datacontrol also.
tab A have a table
tab b have a table with search panel. The view criteria that used to generate the search panel is not check "Run Automatically"
What I am trying to do is in tab A, user can select some rows and click one button, then below action happen:
1. the id of the selected rows will be pass to a AM method of tab B as string that separated by comma, and this AM method will execute the VO that the table of Tab B is based on
2. set tab b disclosure to be true to show tab B
3. The row that selected in Tab a will be shown in the table of tab b
Below are the code in the AM of tab b, it is exposed to client and it will be invoked by the button actionlistener of Tab A from the bean:
public void applyDashbaordViewCriteria(String listOfPS) {
if (listOfPS != null) {
PullSequenceSetupVOImpl psvo = this.getPullSequenceSetupVO2();
ViewCriteria vc = psvo.createViewCriteria();
vc.setName("PSDashboardVC");
ViewCriteriaRow vcRow = vc.createViewCriteriaRow();
ViewCriteriaItem vcItem =
vcRow.ensureCriteriaItem(PullSequenceSetupVORowImpl.PULLSEQUENCEID);
vcItem.setOperator(JboCompOper.OPER_IN);
vcItem.getValues().get(0).setValue(listOfPS);
vc.add(vcRow);
psvo.applyViewCriteria(vc);
psvo.executeQuery();
However my issue here is:
Whenever the first time entering the page, which will show tab A, I select some rows in the table and click the button, AM got executed correctly and before it leave above code, VO executed and row count is correctly match with what user selected in Tab A. However, the rows in the vo is not showing in tab B. Table in tab B show no rows.
Workaround for the issue:
If first time entering the page, I go to tab B first, without doing anything then come back to tab A, select some rows and click the button again, then this time, the row I selected start showing in the table of Tab B.
So my question is, how can I solved this issue to make the selected rows show in tab B without going to tab B to load the page first? Is that something to do with datacontrol scope?
I am using Jdev 11.1.1.3.0
Thanks.

Hi, now I think i know what is the root cause:
I overide executeQueryForCollection and executeQuery method in the VOImpl that table of Tab B is based on. And I notice the following:
Even when select row in tab A and click the button to call AM method to apply the view criteria and execute the query to return some row, when tab b loading the first time, I notice executeQueryForCollection is being fired again and invoked by executeEmptyRowSet.
It looks to me that even thought before the page load, VO already executed and have some row, somehow when ADF load the page, it will empty all the rows in the VO. And also since I have a query panel which I uncheck the Query Automatically. So even my applied view criteria still there, but VO will not get re executed again and show the result.
I think that is why this issue is happening. And also, that is why if I navigate to tab B first and come back to Tab A, now perform the same action, the selected rows start showing on the page.
Anybody can help me how can I resolved this issue? And also, I don't want to check the "Query Automatically" of the view criteria that I used to genreate the search panel because it may impact the performance.
Edited by: user10867484 on Apr 21, 2011 2:48 PM

Crystal Reports 9: Page Header plus Page Footer is too large for the page.

Hi,
I have a report that has the following sections.
GH1
GH2a
GH2b - has a sub report
GH2c - has another sub report
GH3
GH4
GH5
details - suppressed
GF5 - suppressed
GF4 - suppressed
GF3 - suppressed
GF2 - suppressed
GF1 - suppressed
The report works fine wehn I run it using Crystal Designer.I am using CR version 9.2.2.693.
When I try to load the report in my application, I get the following error.
Crystal Report Windows Forms Viewer
Page Header plus Page Footer is too large for the page.Error in File rptName.rpt:
Page header or footer longer than a page.
OK
There are no 'suppress blank sections' option set in the sections where the sub-Reports are.
I also tried setting the No Default Printer option.
The report gets loaded from the application only when I set 'New Page after' in the sections where there are sub-Reports.
I do not want to do this; Is there a workaround?
Thank you.

Can someone tell me if this problem is being worked on as it looks as thogh none of the problems regarding the message u2018Page Header plus Page Footer is too large for the pageu2019 have been addressed.
We have several reports that were written in Crystal 7 (I think) and worked in Crystal 9 and X1R2 but now give the above error. We have tried jigging the report in line with the various suggestions but at best can get them to run through successfully with one lot of data and then fail on the second or subsequent pages when you vary the data or report format even slightly. We can report on every bit of data separately or in various combinations but not in others. Changing the bottom page margin by 0.01 cm can cause it to fail on page 7 instead of page 530 (for example). We certainly do not have large page headers (just over 2cm) or page footers (about 0.3cm). We do have some subreports in the details section but have used 'fit to section', added 'keep together', removed u2018keep togetheru2019 from just about everything we can (in desperation) but to no avail. We cannot see a pattern to what is happening. It would be encouraging to know that someone is actually working on this fault.

Separating a JPanel accross the pages

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