Is it mandatory to create Supply function for ItemLIstBox UI

Hi,
I am trying to user ItemListbox UI. I followed below link and created it. If am not using supply function ItemLIstbox is not populating data.
I would like to know if it is mandatory to use Supply function for this UI.
If not please give me steps to create and populate elements into ItemListBox
Regards
Satish
Edited by: satish jarabana on Jan 23, 2012 11:39 AM

Thanks Srinivas,
I hae already done that and am able to see data.
But my doubt is if we assign data type as Data Element for an attribute, and bind this to an input element or drodown, it will show values by default.
Is this not the same for ItemListBox.
Regards
Satish

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How To create Library Functions for Validate Items

Hi all,
My form Consists data block blk_user with two items
username and password
Both user name and Password are required Fields.
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I Created Below Procedure and Called in Form_Level ON-ERROR Trigger.
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Regards
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Hello,
Could you give Some examples or links related to how To create and call library functions For validate Items..For creation you already created one procedure and you called on error. So for creation and call it is clear. Now you are talking about validation for items. It depends on your requirement. As you check validation in items's triggers you can also check validation in function/procedure of library. You can use parameter to pass values and check the validations. And you can create the procedure/function in library like this...
PROCEDURE My_Proc(Parameter_Name IN DATATYPE) IS
Variables Declarations...
BEGIN
-- Here check the validation on the passed value.
EXCEPTION
-- Exception Handling part...
END;
FUNCTION My_Proc(Parameter_Name IN DATATYPE) RETURN DATATYPE IS
Variables Declarations...
BEGIN
-- Here check the validation on the passed value.
RETURN <ANY VALUE>;
EXCEPTION
-- Exception Handling part...
END;
Is it Possible to use system variable ':system.cursor_value' while creating PL/sql library functions?Yes, because it is clear as you used for CURRENT_ITEM like NAME_IN('SYSTEM.CURSOR_item') so you can use SYSTEM VARIABLES.
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How to create Support function for internal Class use

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// returns the fractional part of x as used in minimoon and minisun
double a;
a = x - floor(x);
if (a < 0) a += 1;
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//var mooneq = new Array;
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Thanks
Raj

Here's yet another approach (creating a private category):
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- (double)frac:(double)x;
@end
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// claimed good to 5' (angle) in ra and 1' in dec
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//var mooneq = new Array;
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a = x - floor(x);
if (a < 0) a += 1;
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@end
<div class="jive-quote">rajkhand wrote:
I liked the first method as I don't have to change much of the java code.
I like it too. I use that very regularly (though I often use C++/Objective C++), since there is typically a lot of implementation in any class that does not need to be an ObjC instance method. This approach helps to reduce the object's interface to its essentials while keeping maintenance low.
I'll put all the helper functions above the implementation.
Is there a good book/web site where I can get such insight? I know C and Delphi/pascal
Well, Objective-C is a superset of C. If you're porting Java, you'll find protocols (ObjC) similar to interfaces (Java).
*Getting Started*
Apple's version of ObjC is different from others. For the language, Apple's docs are the standard (IMO):
Language:
http://developer.apple.com/documentation/Cocoa/Conceptual/ObjectiveC/ObjC.pdf
If you are comfortable with C, this guide will help learning Objective-C quickly, though it has not been updated for (Apple's) Objective-C 2.0:
http://www.amazon.com/Objective-C-Pocket-Reference-Andrew-Duncan/dp/0596004230/r ef=sr14?ie=UTF8&s=books&qid=1245404236&sr=8-4
There are a few books on the ObjC2 language, but I have not read them (I just read Apple's docs for this).
OOP/Design:
http://developer.apple.com/documentation/Cocoa/Conceptual/OOPObjC/OOPObjC.pdf
Research
Good site for archives of tips, tricks, and even some hacks:
http://www.cocoadev.com/
Apple's lists (Cocoa, Xcode, ObjC, and specific technologies):
http://lists.apple.com/mailman/listinfo
This one sees the most traffic for Cocoa, and ObjC topics :
http://lists.apple.com/mailman/listinfo/cocoa-dev
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Apple's lists (linked above) will typically yield good answers in a short time, you can also try here.
Thanks a million
Raj
You're Welcome,
J

Shall i create timeseries functions for the fragmented logical tablesources

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Edited by: 835868 on Jun 29, 2011 8:30 AM

Hi,
is because the time series function are not supported for the framentation content, see the content of the oracle support:
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Hi, I'm new to LabVIEW.
I need some help. Attached is my LabVIEW file.
I want to change the Formula VI for the 'Air Velocity vs Time' waveform to another formula (or multiple formula (can I use MathNode Script for this?)) to let it handle multiple values from the data and then display the result on the waveform graph. Or how can I do this?
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Exhaust EBT Wind Tunnel 1.1.vi ‏399 KB

Faruq wrote:
I want to change the Formula VI for the 'Air Velocity vs Time' waveform to another formula (or multiple formula (can I use MathNode Script for this?)) to let it handle multiple values from the data and then display the result on the waveform graph. Or how can I do this?
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Supply function in webdynpro for abap

Hi ,
        I have tree structure as below.
1.      Node A
               1.a      Node B
                   1.a.i    Node C
        I have declared method 'Method_A' as supply function for Node A.similarly
        I have declared method 'Method_B' as supply function for Node B.similary
        I have declared method 'Method_C' as supply function for Node C.
        When I am executing in debugging mode both 'Method_A' and 'Method_B' is triggering for initial display of tree. Without expanding Node A ,we are already getting the Node B data and storing in corresponding nodes. This is becoming performance issue as I am hitting database in those 3 methods. My problem is without expanding why that 'Method_B' supply function is
triggering. Please let me know if you have any idea.
Thanks,
Suma

The supply function is always get triggered even if you do not expand the parent node in tree.
Reason: It fills the value to the child node based on parent's value.
To avoid this, you can set teh condition as follows:
In node B supply function, method_B:
check the instance of parent node A here, and if that is not initial, then only hit the database for filling node B.
In node C supply function, method_C:
Check the instance of parent node B here, and if that is not initial, then only hit the database for filling node C.
This is the only possible solution one can think of.

Supply Function

Hello Everybody,
Can someone tell me what Suppy Function used for?
Whats the significance of it? Is it mandatory?
Please explain it to me.
Thanks,
Sneha SIngh.

Hi Sneha,
I assume you are asking in connection with the Laptop Application you are developing (from your other thread)?
I am not used Web Dynpro much, but supply functions are mandatory if you're using a singleton node (i.e. Say node B is the child of node A, and node B is a singleton). So every time you change the lead selection of node A, you need to repopulate node B with the corresponding child values, and a supply function is used to do this.
Also, you can define supply functions for non singleton nodes as well. If you try to access such a node and it turns out to be empty, Web Dynpro will automatically fill the values with a supply function and return it to you. (this is when a supply function is not mandatory).
This link explains supply functions concisely:
https://wiki.sdn.sap.com/wiki/display/WDJava/SupplyFunctionin+Webdynpro
By the way, this question looks relevant for Web Dynpro forum.
Cheers!

How to create a function that returns multiple rows in table

Dear all,
I want to create a funtion that returns multiple rows from the table (ex: gl_balances). I done following:
-- Create type (successfull)
Create or replace type tp_gl_balance as Object
PERIOD_NAME VARCHAR2(15),
CURRENCY_CODE VARCHAR2(15),
PERIOD_TYPE VARCHAR2(15),
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BEGIN_BALANCE_CR NUMBER
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create or replace function f_gl_balance(p_period varchar2) return tp_tbl_gl_balance pipelined
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I also try
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as
begin
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from gl_balances gb
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thanks and best reguard

hi,
Use TABLE FUNCTIONS,
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Specialty of supply function and how can we use it efficiently?

Hi Experts,
I have one question.
What exactly the function of “Supply function” for a node.
Some says when ever lead change happens the “Supply function” triggers.
I put a break point in Supply function say “ZSupply” written code to populate the table.
It triggered only once to populate the table. If this is the functionality then I can write code in method and call it in modify view my checking it for first time why “supply function”. I want to know what is its specialty, how can we use it efficiently?
Thanks
Gopal

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hi larosejh
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DECLARE
retval PLS_INTEGER;
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my_attrs DBMS_LDAP.string_collection;
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my_dn VARCHAR2(256);
my_attr_name VARCHAR2(256);
my_ber_elmt DBMS_LDAP.ber_element;
attr_index PLS_INTEGER;
i PLS_INTEGER;
my_vals      DBMS_LDAP.STRING_COLLECTION ;
ldap_host VARCHAR2(256);
ldap_port VARCHAR2(256);
ldap_user VARCHAR2(256);
ldap_passwd VARCHAR2(256);
ldap_base VARCHAR2(256);
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retval := -1;
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ldap_port := '389';
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retval := DBMS_LDAP.simple_bind_s(my_session,
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retval := DBMS_LDAP.count_entries(my_session, my_message);
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my_ber_elmt);
attr_index := 1;
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retval := DBMS_LDAP.unbind_s(my_session);
DBMS_OUTPUT.PUT_LINE(RPAD('unbind_res Returns ',25,' ') || ': ' ||
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DBMS_OUTPUT.PUT_LINE('Directory operation Successful .. exiting');
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-- Handle Exceptions
EXCEPTION
WHEN OTHERS THEN
DBMS_OUTPUT.PUT_LINE(' Error code : ' || TO_CHAR(SQLCODE));
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Is it mandatory to create Supply function for ItemLIstBox UI

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