Web Dynpros fields problem

Hi,
Can anyone will give me step by step process for web dynprobs with r/3.......
i have the screen shots from library which has step by step processs but , iam unable to get the fields from the BAPI ........
plz can anyone will be helpful for me...............
plz if any one has the file send to me not from library...
Anjali

Hi Anjali,
I cannot quite understand your question. Are you talking about WebDynpro ABAP oder WebDynpro Java. If you have the problem with WebDynpro Java, please user the other forum (ForumID=52).
Regina

Similar Messages

Web Dynpro Field Elements Disabled

Hello:
   The text fields of my Web Dynpro App are disabled when I run the app. Im trying to change the Collection Cardinality in the context to 1...1 but I cant, it seems to be disable too.
   Can anyone help me? How can I change the cardinality?
Best Regards
Thanks
Mario G

Hi
You need to add the following code in your WdDoInit()
//create a new model instance
model = new <name_of_your_model>();
//create model objects
<name_of_your_request_model_class>   requestMO = new <name_of_your_request_model_class>(model);
<name_of_your_send_model_class>       sendMO = new <name_of_your_send_model_class>(model);
//associate model objects
requestMO.set< name_of_your_send_model_class>(sendMO);
//bind exacutable model object to context node
wdContext.node<name_of_your_context_node_for_ws>().bind(requestMO);
Regards,
Edzon

ABAP Web Dynpro Radiobuttons Problem???

Hi,
I need to have 6 radiobuttons horizontally in ABAP Web Dynpro.
I got the radiobuttons on the web page,
What I have done is
For each radiobutton I have KeyToSelect binded to rb1, rb2, rb3, rb4, rb5 and rb6 (rb1, rb2, rb3, rb4, br5 and rb6 are boolean)
For each radiobutton I have SelectedKey binded to group1 where group 1 is again boolean.
My problem is if I select the 2nd radiobutton, all the others buttons gets checked, except that radio button and if I try clicking it for the second time then it is fine.
Please let me know where I am going wrong or is it that I am missing something else to do.
Thanks
Sandeep

Hi,
Try to use radiobutton group by index UI element. Have a node in the context element with cardinality 0..n and have an attribute text type string. In the properties of the node provide the supply function as "fill_the_node". Bind this node to the radiobuttongroupbyindex UI element.
In the fill_the_node method.
data : node type ref to if_wd_context_node,
elem type ref to if_wd_context_element.
data : it type table of if_view=>element_node,
wa like line of it.
wa-text = 'radiobutton1'.
append wa to it.
wa-text = 'radiobutton2'.
append wa to it.
wa-text = 'radiobutton3'.
append wa to it.
wa-text = 'radiobutton4'.
append wa to it.
wa-text = 'radiobutton5'.
append wa to it.
wa-text = 'radiobutton6'.
append wa to it.
node->bind_table( it ).
In this way you can have 6 radiobuttons on the browser.
Thanks
Mallika

Web Reports field problem

Hi,
I hava this problem:
When I generate a report in client mode I see all fields correctly but in Web mode I see ************ in the same field, why? any idea??
tks

hi ,
when you run the webi report , click change query and in that go to yourt field properties and then chage its settings to date.
I think I have done this of similar kind lontg back. But there is this property somewhere where we can change the type of the varaible and then you can see the expected resutls.
Thanks ,
Anjna

Context not updated from adobe from fields to ABAP web dynpro every time

Hi,
I work through a turtorial for interactive adobe form in web dynpro. The turtorial link is as following:
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/media/uuid/c766e918-0b01-0010-99b1-c2b78cd059b3?prtmode=navigate
I use Active X adobe form display type and submit button. Basically, it works.
My problem is the 1st time I change the out_amount in adobe form and click 'Submit'. Everything OK. The corresponding context field in Web Dynpro is updated and showed in my own web dynpro field.
Then, I change the out_amount again in Adobe form and click 'Submit' again. The context is not updated.
The interesting thing is when I click 'Submit' the 3rd time, it works again. Same situation happens for 4 and 5 times click 'Submit' and so on.
It seems I need to click 'Submit' two times and the web dynpro context is then updated.
Is there anyone have any clue about my problem?
Thank you in advance!
Trey

Please provide the solution.......

Passing data from one screen to another(web-dynpro) in SRM sourcing cockpit

HI Experts,
i am facing problem in passing data from one web-dynpro screen and assigning the data it to another web-dynpro screen.
my requirement is that when ever user selects a contract in PROPOSE SOURCES OF SUPPLY screen popup and press only assign only button, the data of the contract should be copied to the shopping cart.
i have already used the BADI BBP_DOC_CHANGE_BADI, but unfortunately it was not working.
so i tried to use the context, element and other web-dynpro fields to pass the data, i am able to pass the data from the popup to the second screen and able to assign it.
but when ever i deselect the shoppping cart which has been assigned with the data of the popup and select another shopping cart the data of the above shopping cart is cgetting changed.
i am unable to figure out the exact reason why this is happeing.i have written code in the ASSIGN ONLY button method to fetch the popup data and in the WDONMODIFYVIEW method of the second screen to assign the popup data to the shopping cart.
i have tried to bind the elements using the BIND_TABLE, BIND_STRUCTURE, BIND_ELEMENT, BIND_ELEMENTS methods, but nothing is working.
can anyone suggest me where i am making mistake and try to solve the issue.
Thanks
Tanveer

Dear Poster
Your thread has had no response since it's creation over
2 weeks ago, therefore, I recommend that you either:
- Rephrase the question.
- Provide additional Information to prompt a response.
- Close the thread if the answer is already known.
Thank you for your compliance in this regard.
Jason Boggans
SAP SRM SDN Moderator

Excel download feature in Web Dynpro Abap using OAOR document

Hi Friends,
I am facing an issue in implementing excel download feature in Web Dynpro.
Problem: I have stored an excel document in OAOR. I am displaying data on screen using ALV display in WDA.
I will provide a button to download excel in toolbar of ALV. When user clicks on this button i need to pick the document from OAOR and fill that with my screen values and download it to users desktop.
Please help me in this. Problem is when i am calling these classes c_oi_container_control_creator=>get_container_control and cl_gui_custom_container from my View's method they are returning error.
Thanks & Regards,
Saud

HI,
You cannot use GUI classes and methods in web dynpro . That will dump.
Instead you can use file down load UI element or..
If you have the content in xstring format use ATTACH_FILE_TO_RESPONSE method of CL_WD_RUNTIME_SERVICES class.
Regards,
Madhu

Problem in submit button on adobe form integrated with web dynpro

Hello,
I'm facing prob in triggering web dynpro event onSubmit for Interactive form.
I've created a submit button from web dynpro activex pallete on adobe form (integrated with web dynpro) to send the form as email.
Then in the web dynpro view where this form is embedded i have created an action against onSubmit event and called a method within this.
However, on clicking Submit button this event is not getting triggered.
Please let me know what is lacking in this process?
Thanks.

Hi,
I am also facing the same problem. i have developed a simple scenario under which user have to input his/her details and on submit button it will be updated to database.
I have tried the above solution but after adopting this solution all the editable fields become non-editable.
so the above solution is not working for me could you help me out.
I think ... try this....
When you create the Adobe Form from WebDynpro, you need to follow one step in SFP Transaction or inSE80 transaction. Open the Adobe Form in any one the transaction and now in SAP menu bar "Utilities" in that you will find the "INSERT THE WEBDYNPRO SCRIPT" just click on that one. Then you will see a new Script Object is being created with the name "ContainerFoundation_JS" under the "Variables" in the Heirarchy of the Object Pallete of the Adobe Form.
This step is mandatory to use the SUBMIT Button of the "WebDynpro Native", to trigger the OnSubmit event of the WebDynpro.
Thanks
Edited by: shailendra2sap on Mar 6, 2009 12:24 PM

Problem in connecting JCO destination in web dynpro

HI all,
I was installed sneak preview of Net weaver 6.4,
I want to do some web dynpro (java) programs which connect to back end systems.(R/3 system).
The R/3 system which I want to connect is at remote place, i have connectivity to that R/3 system using VPN connectivity. With this I am not having any problem. Since I am able to connect using User name and password, and able to do some transactions like RZ70, etc.
I developed an application which calls COMPANY_CODE_GET_LIST (BAPI function).
for the above requirement what I did was
(1)I created SLD setting.
(a)Web as Java (I am not having any problem to
Create this.
(b) Web as ABAP.
When i am trying to create
This, there are some steps like i need to go to SAP log in and I need to run the transaction RZ70. For this i need to create an enter in visual administrator>JCO RFC Provider>runtime-->Bundles i need to create an entry for RFC destination as well as Repository.
under RFC destination there are some fields which i need to enter those are (a)Program ID as mySLD (b) Gateway Host as 10.10.10.125 (c)Gateway service as sapgw00 (d)Number of processes as 1
Under Repository (a) Application server host 10.10.10.125 (b)system number as 00 (c)Client number as 100 (d)Language as en (e)user as ABCD (f)password as 1234
I haven't choused the check boxes Local bundle and Unicode and pressed the set button. So like this i created the RFC destinations. under the properties tab there is a property called RFC_DEFAULT_DESTINATION by default it was false so i made it as true. .
I also went to SLD Data Supplier,under Runtime tab , HTTP Settings , I mentioned
(a)Host: pava-vis75
(b) Port: 50000
(c) user: administrator
(d) password: abcd1234
RFC Settings, I mentioned as
(a)Gateway Host: 10.10.10.125 (which is SAP R/3 system)
(b)Gateway Service/Host: sapgw00
CIM Client Generation settings, as
(a)Host: pava-vis75
(b)Port (http/https):50000
(c) user: administrator
(d) Password : abcd1234
I tested the CIMClient Test by click the the button. I got the successful message.
Then I came back to HTTP settings and clicked the button with tilted arrow mark [This triggers data transfer to system landscape directory], for this also I got a successfully message.[data transferred successfully]
Next I been to SAPLOGON and went to RFC Destinations by using sm59 transaction. There under TCP/IP connections i been to SLD_NUC , opened this by double clicking that and under Technical settings for Program ID I had given the ID which I created at visual administrator [JCO RFC Provider] which is mySLD , under gateway options for Gateway Host as 10.10.10.125and Gateway service as sapgw00 then i tested the connection, it was also successfully.
Then I opened the SLDAPICUST and i created a new entry for maintaining the SLD Access Data by giving some couple of entries as
(a)Alias: vissldtest
(b)Host Name: pava-vis75
(c)Port: 50000
(d) user: administrator
(e) password: abcd1234
Then saved it.
Next I created sapmsUV0 3600/tcp entry at
WINDOWS\system32\drivers\etc\services file, and also there are some required entries which are already existing those are sapgw00 3300/tcp to sapgw99 3399/tcp , another entry starts from sapdp00s 4700/tcp to sapdp99s 4799/tcp , next entry starts from sapgw00s 4800/tcp to sapgw99s 4899/tcp and sapmsJ2E 3601/tcp .
I restarted the system, as well as server.
Now my problem is when I was trying to create JCO destination at web dynpro content administrator. For that I navigated as create JCO Destination Deployed Contentlocal-local/CompanyCodeGetList-Applications CompanyCodeGetList
I Choosed the JCO Connections tab- there are 2 entries those are
(1) COMPANY_CODE_MODEL
(2) COMPANY_CODE_RFC_METADATA
So I started creating connection for COMPANY_CODE_RFC_METADATA.
First one is
General data Name : COMPANY_CODE_RFC_METADATA
Client : 100
I didnt changed any default JCo pool configuration.
J2EE Cluster
There is a check box called Use Local J2EE engine J2E on pava-vis75 so I choosed that.
Connection Type
Dictionary Meta Data and application Data
I choosed the first one.
Then
Msg. Server Connection
Security
After these, I tried to test the connection by clicking the Test Connection.
It is saying the error as
First time
com.sap.mw.jco.JCO$Exception: (102) RFC_ERROR_COMMUNICATION: Connect to message server host failed Connect_PM TYPE=B MSHOST=v011 GROUP=DEFAULT R3NAME=UV0 MSSERV=sapmsUV0 PCS=1 ERROR service 'sapmsUVO' unknown TIME Fri Jul 01 07:20:41 2006 RELEASE 640 COMPONENT NI (network interface) VERSION 37 RC -3 COUNTER 1
second time
com.sap.mw.jco.JCO$Exception: (102) RFC_ERROR_COMMUNICATION: Connect to message server host failed Connect_PM TYPE=B MSHOST=v011 GROUP=DEFAULT R3NAME=UV0 MSSERV=sapmsUV0 PCS=1 ERROR service '?' unknown TIME Fri Jul 01 07:20:41 2006 RELEASE 640 COMPONENT NI (network interface) VERSION 37 RC -3 COUNTER 1
Can any body please help me to solve this problem.
From past 1 week on wards I have been trying to resolve this. But in vain.

It does not necessarily mean that you have to change that parameter. I read that blog as I had a similar problem, and after reading it and understanding the reasons and possible causes for the error, I found that my particular problem was that I was using "PUBLIC" as the logon group in my JCO destinations, but such a group does NOT exist at my backend. I went to transaction SMLG, had a look at Logon Groups, noted that there were none other than SPACE, figured out that I had to include that information in SLD (Web AS ABAP tech. system --> Message Server --> Logon Groups), put it there. Voilá. It works.
Edit: That SPACE logon group is the one I had to use at JCO destinations. Sorry I forgot to mention that one...
Regards,
Eduardo.
Message was edited by: Jesus Cil

Value hep problem in web dynpro application

Hi All,
I have a requirement where I need to add a field for alternate payee to the web dynpro application and the field name is BSEG-EMPFB. I have written the following code to get the values of it based on the vendor number:
SELECT SINGLE * FROM lfb1 INTO f4lfb1_z
                  WHERE lifnr = lv_lifnr
                  AND   bukrs = '001'."bseg-bukrs'.
CALL FUNCTION 'FI_VENDOR_ALTERN_PAYERS_READ'
    EXPORTING
      i_lifnr            = lv_lifnr
      i_filkd            = filkd
      i_bukrs            = '001'
      i_lfb1_head_office = f4lfb1_z
    TABLES
      t_zemtab           = t_zemtab.
LOOP AT t_zemtab INTO w_zemtab.
    ls_value_set-text = w_zemtab-empfb.
    ls_value_set-value = w_zemtab-empfb.
append ls_value_set to lt_value_set.
DATA lo_nd_alt_payee_info TYPE REF TO if_wd_context_node_info.
DATA lo_nd_alt_payee TYPE REF TO if_wd_context_node.
lo_nd_alt_payee = wd_context->get_child_node( name = wd_this->wdctx_alt_payee ).
lo_nd_alt_payee_info = lo_nd_alt_payee->get_node_info( ).
         lo_nd_alt_payee_info->set_attribute_value_set(
            name = `ALTERNATE_PAYEE`
            value_set = lt_value_set )
Now the problem is user wants the details of the alternate payee as F4 help and when I debugged the standard FV60 functionality this how the F4 help is being build therE:
REFRESH fldtab.
CLEAR fldtab.
fldtab-tabname    = 'IZEMTAB'.
fldtab-fieldname = 'EMPFB'.
fldtab-selectflag = 'X'.
APPEND fldtab.
CLEAR fldtab.
fldtab-tabname    = 'IZEMTAB'.
fldtab-fieldname = 'NAME1'.
APPEND fldtab.
CLEAR fldtab.
fldtab-tabname    = 'IZEMTAB'.
fldtab-fieldname = 'ORT01'.
APPEND fldtab.
CLEAR fldtab.
fldtab-tabname    = 'IZEMTAB'.
fldtab-fieldname = 'STRAS'.
APPEND fldtab.
*------- Fill Values for Function Module Call --------------------------
REFRESH valtab.
LOOP AT zemtab.
    valtab-feld = zemtab-empfb.
    APPEND valtab.
    valtab-feld = zemtab-name1.
    APPEND valtab.
    valtab-feld = zemtab-ort01.
    APPEND valtab.
    IF zemtab-stras NE space.
      valtab-feld = zemtab-stras.
    ELSEIF zemtab-pfach NE space.
      CONCATENATE 'Postfach:'(019) zemtab-pfach INTO valtab-feld.
    ELSE.
      valtab-feld = space.
    ENDIF.
    APPEND valtab.
ENDLOOP.
*------- F4 Dialog -----------------------------------------------------
CALL FUNCTION 'HELP_VALUES_GET_WITH_TABLE'
    EXPORTING
      display      = space
      fieldname    = 'EMPFB'
      tabname      = 'INVFO'
    IMPORTING
      select_value = empfb
    TABLES
      fields       = fldtab
      valuetab     = valtab.
IF NOT empfb IS INITIAL.
    invfo-empfb = empfb.
ENDIF.
can you please tell me how can I accomdate this in the web dynpro application?
Thnaks,
Edited by: rajatg on Jul 13, 2011 6:41 PM
Edited by: rajatg on Jul 13, 2011 6:42 PM

Hi Raja,
Search help is availble at dictinary level you get F4 help automatically.
Otherwise create OVS help for alternate payee. use WDR_OVS.
check this..
http://wiki.sdn.sap.com/wiki/display/WDABAP/InputhelpofObjectValueSelectioninWDABAP
/people/shruti.rathour/blog/2008/05/05/ovs-help-in-web-dynpro-abap
Cheers,
Kris.

Problem in web dynpro ABAP program

There are 2 input fields on first view carrid, connid and one "GO" Button
1) "FLIGHTINFO" is the node under context of first view
2) " FLIGHTTAB " is a node under context of component controller having cardinality " 0..n " ,Dictionary structure "SFLIGHT" (i have selected only these many attributes " carrid, connid, fldate, planetype, seatsmax and seatsocc " )
3) I have created Method "FLIGHTTAB_FILL" in component controller to fill context node FLIGHTTAB
Insert the source code for doing the following:
-     Navigate to context node FLIGHTINFO
-     Get element at lead selection for context node FLIGHTINFO
-     Get CARRID and CONNID
-     Fill an internal table with all datasets from database table SFLIGHT, who meet the constraints for CARRID and CONNID.
-     Navigate to context node FLIGHTTAB
-     Bind the internal table(having all standard fields of sflight ) to the context node FLIGHTTAB ( having those 6 attributs).
4) On action GO ->Implement the invocation of Method " FLIGHTTAB_FILL".
5) I have mapped node FLIGHTTAB to context of OUTPUTVIEW. Display table on view OUTPUT_VIEW (for this i hav used code wizard).
Problem: after entering values of connid & carrid I m getting proper entries in internal table. but output view is not at all trigger (although i have created plugs). Is it necessary that while binding internal table with context node FLIGHTTAB should have same no of fields (i.e. in this case 6 )?
I am a fresher, My concept of bindings and cardinality are not so clear so can anybody help me out?
Thanx in advance for replying.

Hi johnright ,
    No i dont think it is necessary that while binding internal table with context node should have same no of fields as the internal table . You might get some improper values in the corresponding fiels but it will not lead to any error.
In your OUTPUTVIEW once you created the table UI element in layout and you bind it to FLIGHTTAB node you dont have to use any code wizard method to display the values. If the node contains values it will display automatically. (in your case you are filling it in step #).
Check :-
1. In your On action GO after filling the table you are firing the out bound plug :-
    WD_THIS->FIRE_INITIAL_OUT_PLG(
2.All outbound plug and inbound plug are link properly and every thing is ACTIVATED.
If still unable to find the error try to debug method wise and find where the error occurs and reply to us.
Binding:-
In web dynpro ABAP you will not able to get any value of any variable outside of any method. Here we use context node which is referrence that we create reference to any particular structure we required. Now to hold the values you need to bind
the values of your internal table to the context node.
If the node is in view then its values are visible to all the local method of the view.
If the node is in component controller then the you bind a value to the node from one view and you can get it in another view.
Remember binding and mapping are not same.
Mapping is done between node like inthe second scenario i have explained you need to create a node in view controller and then you need to map it to the corresponding view of component controller to send values across view.
cardinality:-
Each node contains data fields that represent one of the following:
    An individual instance of an object type
    A table of instances.
This property of a node is known as its cardinality of table of instances.
If you need table instance :- 0..n or 1...n
   In case of 1...n one default value is created. generally we use this as mainly we need to work with table.
In case you need a individual instance of a object or like you want value like a structure only :- 0...1 or 1....1.
Thanks & Regards,
Monishankar C

Adding a field in Web dynpro java in Travel Request application

Hi All,
How to add a field in Web dynpro java in Travel Request application or can we copy the Web dynpro java application to Web dynpro ABAP and add a field. Experts, Can you please suggest me step by step in resolving the problem.
Thanks & Regards,
Kumar

Hi Kumar,
First, in order to customise the ESS webdynpro Java iViews you need to be aware that, you are about to change the SAP standard iviews. In order to avoid this you can make a copy of the SAP standard one's and then try to customise the copied one's.
Now, you should have NetWeaver Development Infrastructure(NWDI) installed. Once it is installed you should also install the Netweaver Developer Studio (NWDS) on your computer.
Once you have these two installed, you should deploy the ESS Business Package onto the NWDI by creating tracks. There is a cookbook available on SAP Service Marketplace for configuring NWDI for ESS.
Once you have all the above mentioned tools, have a look at the following blog which clearly explains about the procedure of customising ESS iviews.
/people/vinoth.murugaiyan/blog/2007/08/24/essmss-customization-150-make-it-simple
Also check the following Wiki, this might be useful!
https://www.sdn.sap.com/irj/scn/wiki?path=/display/erphcm/employee%252bself%252bservice
I hope this helps. Let me know if you have any issues.
Dont forgett to contribute points if this is useful! All the Best.
Regards,
PG

Problem with Table display in Adobe Form of Web Dynpro ABAP

Hi Team,
I'm trying to display a table in Adobe Print Form (not interactive). The table is bound to the context node in the Web Dynpro ABAP where the cardinality is 0:N. I get a short dump. Don't know what to do here. I'm able to display individual fields from my context successfully. Looks like something is missing when I try to display a table. Any pointers to display a data table in Adobe? Any step by step example you know of where I can find out what I did wrong? Many thanks for your time
We are on support pack SP06 on 2004S release.
DUMP INFORMATION:
Short text
    Access via 'NULL' object reference not possible.
What happened?
    Error in the ABAP Application Program The current ABAP program "CL_WD_ADOBE_SERVICES==========CP" had to be terminated because it has come across a statement that unfortunately cannot be executed.
An exception occurred that is explained in detail below.
The exception, which is assigned to class 'CX_SY_REF_IS_INITIAL', was not caught in procedure "CREATE_PDF" "(METHOD)", nor was it propagated by a RAISING clause.

Hi Thomas,
We upgraded our system(2004S) to SP10 so that we can use the ADOBE form printing in Web Dynpro ABAP but could not apply note 1034425 because of the validity constraints in SNOTE. All the pre-requisite notes are already in the system apart from one note 1029721 which talks about supporting input helps. We don't want to use input helps in our system and cannot upgrade to SP11 because of problems with Business functionality.
Questions:
1) Is note 1034425 absolutely dependent on 1029721?
2) If NOT, can someone please correct the validity so that we can implement using SNOTE.
3) Would it be OK if we manually apply the changes specified in 1034425 without implementing 1029721?
4) If all of the above is not applicable, is there any other note which fixes the above mentioned short dump.
Your help in this matter will greatly help us in using the ADOBE services provided by SAP WDA.
Thanks much

How to pass field symbol or table from one view to another view in abap web dynpro?

I am creating an Inbound Outbound ALV report in ABAP Web Dynpro. However at selection-screen I have select options and fetching is done at view2. Problem is we can pass parameter using inbound outbound parameters but how to pass internal table or field-symbols from one view to another view? I made use of Assistance Class too but its not very clear to me. Please give me some example or code to sort this problem out.

I am creating an Inbound Outbound ALV report in ABAP Web Dynpro. However at selection-screen I have select options and fetching is done at view2. Problem is we can pass parameter using inbound outbound parameters but how to pass internal table or field-symbols from one view to another view? I made use of Assistance Class too but its not very clear to me. Please give me some example or code to sort this problem out.

Validating Input field in Web Dynpro

Hi All,
Could you please tell me how do I use set_attribute and get_attribute methods to get the user input from the dynpro screen?
The user enters some data in the input field. I need to get this data and validate it.
Please tell me how to get the user input.
Thanks & Regards,
Srilakshmi B

hi,
you can go through it,might be your problem solve.
Example for Using Messages
The following example shows how you can use messages created in the Message Editor. In the example, both messages with static text and messages that are dependent on user inputs that is, messages with dynamic text are defined.
Description of Example
Users can create a domain in this sample application. They can then enter a number in the next input field and press Click here to validate. If the specified number lies in the previously specified range, the user is informed of this fact in a standard message. If the number does not lie within this domain, the user sees a warning message.
Prerequisites
You have created a Web Dynpro application and defined view MainView within a Web Dynpro component.
Procedure
Creating the View
Define the view as illustrated below:
Context Creation:
The context that provides the data is created as follows:
       1.      Create a context node, UIElem
       2.      Set the propertycardinality to 1..1 for the context node.
       3.      Create the context attributes a, b, and TypeField.
       4.      Set the Type of the context attributes to Integer.
Data Binding
To make the messages dynamic with regard to specification of the domain, the user inputs have to be saved. To do this, the input fields have to be bound to the context.
sss
Object
Object ID
Data Binding to Attribute
Path Within the Context Structure
a
Input Field
A
MainView.UIElem.a
b
Input Field
B
MainView.UIElem.b
Children_2
Input Field
TypeField
MainView.UIElem.TypField
In addition, bind the Children_3 pushbutton to action ValidateAction, which you also have to create.
Creating Messages in the Message Pool
The Web Dynpro tools provide a special message editor for defining messages of different types.
A message is defined by a specified key, message type, and message text. The message types error, warning, and standard are predefined.
Create the following messages:
Messages Defined in the Message Editor
Message Key
Message Type
Message text
key1
warning
Please enter a number between the range of and !
and are placeholders for the user input (the domain), which changes dynamically.
key2
standard
The value entered is within the valid range.
Implementation
Because the messages are only displayed when the user Chooses Click here to validate, the messages must be implemented in the method onActionValidateAction:
Implementierung der Methode onActionValidateAction()
//@@begin imports
import com.sap.tc.webdynpro.progmodel.controller.MessageManager;
import com.sap.test.errorhandlingtest1.wdp.IMessageErrorhandlingTest1;
import com.sap.test.errorhandlingtest1.wdp.IPrivateMainView;
//@@end
public void onActionValidateAction(
                       com.sap.tc.webdynpro.progmodel.api.IWDCustomEvent wdEvent)
    //@@begin
   int i = wdContext.currentUIElemElement().getTypField();
   int a = wdContext.currentUIElemElement().getA();
   int b = wdContext.currentUIElemElement().getB();
   MessageManager msgMgr =
         (MessageManager)wdThis.wdGetAPI().getComponent().getMessageManager();
   if (a < i && i < b)
         msgMgr.reportMessage(IMessageErrorhandlingTest1.KEY2, null, true);
   else
         Object[] arg ={new Integer(a), new Integer(b)};
         msgMgr.reportMessage(IMessageErrorhandlingTest1.KEY1, arg, true);
    //@@end
The following tasks have been implemented in this method:
       1.      Read user inputs:
int I = wdContext.currentUIElemElement().getTypField();
int a = wdContext.currentUIElemElement().getA();
int b = wdContext.currentUIElemElement().getB();
1.       Read messages from the Message Manager:
MessageManager msgMgr =
             (MessageManager) wdThis.wdGetAPI().getComponent().getMessageManager();
2.       Does the input lie within the defined domain?
if (a < i && I < b)
3.       Call the standard message when the input lies within the domain:
MsgMgr.reportMessage(IMessageErrorhandlingTest1.KEY2, null);
Method reportMessage can be used to read the messages from the Message Manager. In this way you define the key and the objects that you want to change dynamically in the messages. Because no dynamic text was defined in your standard messages, you define null as a parameter.
4.       Call the warning messages when the input does not lie within the domain:
Object[] arg ={new Integer(a), new Integer(b)};
MsgMgr.reportMessage(IMessageErrorhandlingTest1.KEY1, arg);
Because the warning messages ( Please enter a number between the range of and !) contain text that depends on the user input, you also have to define the parameters for the domain in an object array. In the messages, the first object is then called from the array with (and the second with , and so on).
Result
After you have built and deployed your application, you can call it by choosing Run.
If the user enters a number that lies within the defined domain, a standard message is displayed:
If the user enters a number that does not lie within the defined domain, a warning message is displayed:

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