Dynamic DropDownByKey

Hi,
I'm creating a DropDownByKey:
select * from ycenas into corresponding fields of table lt_cenas.
loop at lt_cenas into ls_cenas.
    l_palias-value = ls_cenas-palias.
    l_palias-text = ls_cenas-palias.
    insert l_palias into table lt_palias.
endloop.
attribute_cenas->set_attribute_value_set(
      name = 'PALIAS'
      value_set = lt_palias ).
This inserts all values from ls_profile-palias in the DropDownByKey by I don't want to display duplicate values, how can I do that?
Regards

hi,
select * from ycenas into corresponding fields of table lt_cenas.
loop at lt_cenas into ls_cenas.
    l_palias-value = ls_cenas-palias.
    l_palias-text = ls_cenas-palias.
    insert l_palias into table lt_palias.
endloop.
DELETE ADJACENT DUPLICATES FROM lt_palias COMPARING value.
attribute_cenas->set_attribute_value_set(
      name = 'PALIAS'
      value_set = lt_palias ).
Regards,
akshay

Similar Messages

Binding Dropdownbykey to child node's attribute dynamically

Hi..
i am creating a child node "CHILD" and attribute attached to it "ATTR" dynamically. Also i create a dynamic dropdownbykey element and trying to attach the ATTR. then i get the following error. zdyn_date is data element with some fixed values. Please let me know as quick as possible.
<b>"Adapter error in DROPDOWN_BY_KEY "KEY1" of view "ZDYN_DDKEY.MAIN": Context binding for property SELECTED_KEY cannot be resolved: The MAIN.1.CHILD node does not contain any elements"</b>
METHOD WDDOMODIFYVIEW .
DATA: LR_ROOT_INFO TYPE REF TO IF_WD_CONTEXT_NODE_INFO,
        LR_CHILD_INFO TYPE REF TO IF_WD_CONTEXT_NODE_INFO,
        cl_des type REF TO CL_ABAP_ELEMDESCR,
ATTR_INFO TYPE WDR_CONTEXT_ATTRIBUTE_INFO.
LR_ROOT_INFO = WD_CONTEXT->GET_NODE_INFO( ).
CALL METHOD lr_root_info->ADD_NEW_CHILD_NODE
      EXPORTING
        NAME                         = 'CHILD'
      RECEIVING
        CHILD_NODE_INFO              = lr_child_info.
ATTR_INFO-NAME = 'ATTR'.
ATTR_INFO-TYPE_NAME = 'ZDYN_DATE'.
CALL METHOD lr_child_info->ADD_ATTRIBUTE
    EXPORTING
      ATTRIBUTE_INFO = ATTR_INFO.
DATA: LR_ROOT_CONTAINER TYPE REF TO CL_WD_TRANSPARENT_CONTAINER,
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LR_ROOT_CONTAINER ?= VIEW->GET_ELEMENT( 'ROOTUIELEMENTCONTAINER' ).
CALL METHOD CL_WD_DROPDOWN_BY_KEY=>NEW_DROPDOWN_BY_KEY
    EXPORTING
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      ID                     = 'KEY1'
    RECEIVING
      CONTROL                = LE_DD_KEY1. .
CALL METHOD CL_WD_MATRIX_LAYOUT=>NEW_MATRIX_LAYOUT
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CALL METHOD CL_WD_MATRIX_HEAD_DATA=>NEW_MATRIX_HEAD_DATA
    EXPORTING
      ELEMENT = LE_DD_KEY1.
CALL METHOD LR_ROOT_CONTAINER->ADD_CHILD
    EXPORTING
    INDEX     =
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ENDMETHOD.

Hi ,
can u try to create the node and its attribute in some other method..like in some action or in WDDOINIT instead of wddomodifyview .bcoz its recommended not to modify the data of node in wddomodifyview ..
hope it will solve ur problem .
Regards
Yash

Data population in a dropdown inside a Table in WebDynpro Java

Hi All ,
I have a table inside which there is a dropdown in a ZCI Form. I am using enumerated dropdown list.
The issue is binding of this dropdown is not woking as it works for normal dropdown.
I am getting pdfdocumentcreation exception if trying to bind this dropdown using dynamic binding.
Anybody help me out to solve this issue.
regards
Ravindra

Hi,
Refer the below link you will get useful information
Dropdownlist to display r3 table
Re: DropdownList box to display R/3 table
see this link for when to use DropDownByIndex (DDI) vs DDK (DropDownByKey) and how populate data from R/3.
Re: webdynpro populating dropdown values programmatically
create context value attribute and bind to drop down by key
not getting value from DropDownByKey
Dynamically adding values to dropdown by key thread
Dynamicaly adding values to DropDownByKey
Dropdown by key
dynamic DropDownByKey
http://help.sap.com/saphelp_nw04/helpdata/en/4a/8613e41629344194e4f40393740d51/content.htm
Regards,
Saraswathi.
Pls reward points for useful info
Message was edited by: Saraswathi D

DropdownList box to display R/3 table

Hi,
I want to display a R/3 table of 5 columns in the dropdownbox with only one column, how can I do that?.
Is this possible without simple types. Since we dont know the contents of drop-down box at design time, I cant use simple type. How can I achieve this feature?.
Thanks.
/sunita.

Hi,
If u want to populate values using a DropDownByKey UI Element this code will help you.
IWDAttributeInfo ainfo = wdContext.node<<NodeName>>().getNodeInfo().getAttribute("<<Value Attribute that is bound to the Drop Down by Key element>>");
ISimpleTypeModifiable st = aiinfo.getModifiableSimpleType();
IModifiableSimpleValueSet vs = st.getSVServices().getModifiableSimpleValueSet();
for(int i=0;i<wdContext.node<<name of the node>>().size();i++)
vs.put(Key,Value}
Also go through the following link to know more about Drop Down by key element.
http://help.sap.com/saphelp_nw04/helpdata/en/08/13dbfb6e779743bb2ca641ebcb3411/frameset.htm
Check this for a sample application using Drop Down by key UI element.
http://help.sap.com/saphelp_nw04/helpdata/en/c6/a5d4a523bf4b4c9085a114e46c6ed3/frameset.htm
Also check out the following discussion in forum :
https://www.sdn.sap.com/sdn/collaboration.sdn?contenttype=url&content=https%3A//forums.sdn.sap.com/search%21default.jspa%3FforumID%3D52%26threadID%3D52985
dynamic DropDownByKey
Regards,
Saraswathi
Pls reward point if it is useful information

Problem with Drop down by key

Hi all,
      I Inserted several drop down by key in my view at design time. When I try to run the application it displays an error as
java.lang.ClassCastException at com.sap.tc.webdynpro.progmodel.context.Paths.getAttributeInfoFor(Paths.java:202)
My requirement is,
I am getting a table with two fields(key,value) from R/3 I want to display these in the drop down by key box how to bind them to this drop down.

Hi Refer the below link
DropdownList box to display R/3 table
Re: DropdownList box to display R/3 table
see this link for when to use DropDownByIndex (DDI) vs DDK (DropDownByKey) and how populate data from R/3.
Re: webdynpro populating dropdown values programmatically
populating dropdownbyvalue with the r/3 value?
Re: Regarding DropDown Box
/message/2187817#2187817 [original link is broken]
Re: DropdownList box to display R/3 table
create context value attribute and bind to drop down by key
not getting value from DropDownByKey
Dropdown by key
dynamic DropDownByKey
http://help.sap.com/saphelp_nw04/helpdata/en/4a/8613e41629344194e4f40393740d51/content.htm
For DropdownbyKey
http://help.sap.com/saphelp_nw04/helpdata/en/08/13dbfb6e779743bb2ca641ebcb3411/content.htm
For DropdownByIndex
http://help.sap.com/saphelp_nw04/helpdata/en/24/25e08d4ba6c743b55f1d375637ba8d/frameset.htm
Regards,
Saraswathi
Pls reward points for useful info.

Error when trying to create a Dynamic UI Element(DropDownByKey)

Dear All,
I am trying to create a Dynamic UI element(dropdownbykey) .
I used the following code which i wrote in domodify:
if (firstTime)
IWDTransparentContainer thetransparent =(IWDTransparentContainer)view.getElement("AttributeDynamic_TransparentContainer");
IWDNodeInfo node = wdContext.getNodeInfo().addChild(
"DynamicNode",null,true,true,false,true,false,true,null,null,null);
                          IWDAttributeInfo attr1=node.addAttribute("attrib00","ddic:com.sap.dictionary.string");
IWDAbstractDropDownByKey Sizedropdown=(IWDAbstractDropDownByKey)view.createElement(IWDAbstractDropDownByKey.class,null);
Sizedropdown.bindSelectedKey(attr1);
thetransparent.addChild(Sizedropdown);
When i deployed it i got the following error:
com.sap.tc.webdynpro.services.exceptions.CreationFailedException: Cannot create view element implementation com.sap.tc.webdynpro.clientserver.uielib.standard.api.IWDAbstractDropDownByKey
Can anyone please help me in this regard.
Thanks and Regards
Nishita Salver

Dear All,
Thanks for ur quick reply below is the entire error chain:
com.sap.tc.webdynpro.services.exceptions.CreationFailedException: Cannot create view element implementation com.sap.tc.webdynpro.clientserver.uielib.standard.api.IWDAbstractDropDownByIndex
     at com.sap.tc.webdynpro.progmodel.view.ViewElementFactory.createElement(ViewElementFactory.java:161)
     at com.sap.tc.webdynpro.progmodel.view.View.createElement(View.java:177)
     at com.sap.satyam.dynamic_attrapp.Dynamic_attrAppView.wdDoModifyView(Dynamic_attrAppView.java:184)
     at com.sap.satyam.dynamic_attrapp.wdp.InternalDynamic_attrAppView.wdDoModifyView(InternalDynamic_attrAppView.java:364)
     at com.sap.tc.webdynpro.progmodel.generation.DelegatingView.doModifyView(DelegatingView.java:78)
     at com.sap.tc.webdynpro.progmodel.view.View.modifyView(View.java:337)
     at com.sap.tc.webdynpro.clientserver.cal.ClientComponent.doModifyView(ClientComponent.java:481)
     at com.sap.tc.webdynpro.clientserver.window.WindowPhaseModel.doModifyView(WindowPhaseModel.java:551)
     at com.sap.tc.webdynpro.clientserver.window.WindowPhaseModel.processRequest(WindowPhaseModel.java:148)
     at com.sap.tc.webdynpro.clientserver.window.WebDynproWindow.processRequest(WebDynproWindow.java:335)
     at com.sap.tc.webdynpro.clientserver.cal.AbstractClient.executeTasks(AbstractClient.java:143)
     at com.sap.tc.webdynpro.clientserver.session.ApplicationSession.doProcessing(ApplicationSession.java:321)
     at com.sap.tc.webdynpro.clientserver.session.ClientSession.doApplicationProcessingStandalone(ClientSession.java:713)
     at com.sap.tc.webdynpro.clientserver.session.ClientSession.doApplicationProcessing(ClientSession.java:666)
     at com.sap.tc.webdynpro.clientserver.session.ClientSession.doProcessing(ClientSession.java:250)
     at com.sap.tc.webdynpro.clientserver.session.RequestManager.doProcessing(RequestManager.java:149)
     at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doContent(DispatcherServlet.java:62)
     at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doGet(DispatcherServlet.java:46)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
     at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.runServlet(HttpHandlerImpl.java:401)
     at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.handleRequest(HttpHandlerImpl.java:266)
     at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:386)
     at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:364)
     at com.sap.engine.services.httpserver.server.RequestAnalizer.invokeWebContainer(RequestAnalizer.java:1039)
     at com.sap.engine.services.httpserver.server.RequestAnalizer.handle(RequestAnalizer.java:265)
     at com.sap.engine.services.httpserver.server.Client.handle(Client.java:95)
     at com.sap.engine.services.httpserver.server.Processor.request(Processor.java:175)
     at com.sap.engine.core.service630.context.cluster.session.ApplicationSessionMessageListener.process(ApplicationSessionMessageListener.java:33)
     at com.sap.engine.core.cluster.impl6.session.MessageRunner.run(MessageRunner.java:41)
     at com.sap.engine.core.thread.impl3.ActionObject.run(ActionObject.java:37)
     at java.security.AccessController.doPrivileged(AccessController.java:207)
     at com.sap.engine.core.thread.impl3.SingleThread.execute(SingleThread.java:102)
     at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:172)
Caused by: java.lang.NoSuchMethodException
     at java.lang.Class.getConstructorImpl(Native Method)
     at java.lang.Class.getConstructor(Class.java:554)
     at com.sap.tc.webdynpro.progmodel.view.ViewElementFactory.createElement(ViewElementFactory.java:150)
     at com.sap.tc.webdynpro.progmodel.view.View.createElement(View.java:177)
     at com.sap.satyam.dynamic_attrapp.Dynamic_attrAppView.wdDoModifyView(Dynamic_attrAppView.java:184)
Thanks and Regards,
Nishita

Dynamically binding simpletype to a dropdownbykey??

Dear All,
How to bind a existing simpletype to a dropdownbykey UI element?
I have set of simpletypes created and I want to assign them to dropdownbykey UI element ( statically created). How do I go about it?
Pls help. Can anybody give me sample code for this?
I am writing following code in my wdModifyView method:-
IWDDropDownByKey combs = (IWDDropDownByKey) view.getElement(<UI element ID>);
combs.bindSelectedKey(<simpletypename>);
But it is throwing context exception "Unknown child node"
regards,
Amey

See ... i have three context value attributes:-
1. context value attribute : combs1 of type "com.myproject.simpletypes.combsList1"
2. context value attribute : combs2 of type "com.myproject.simpletypes.combsList2"
3. context value attribute : combs3 of type "com.myproject.simpletypes.combsList3"
Now my purpose is to bind one of these attributes to a SINGLE dropdownbykey UI Element dynamically !!!
That means initially I am binding combs1 to UI element's 'Selected key" property.
I hope i am explaining you my scenario correctly !!!
regards,
Amey

Dynamic Population of DropDownByKey/Index

Hi,
I'm using Adaptive RFC model to get data from SAP and I've to create DropDownByKey/Index dynamically and populate it with the data. I've Model node with attributes in the Controller context bound to the DataModel and also model nodes/attributes in the view context bound to controller context. But the data doesnt seem to be populated.
The return from the RFC is just one internal table. Where exactly (in the code or otherwise) do i need to populate this dynamically created drop down unit?
Any links/code would be greatly appreciated.
Thanks,
Rajit.

Hi Rajit,
I have been creating DropDownByKey elements with dynamic values by following Example A under "Code Example of Key Binding" in the IDE help. I just use a loop on the internal table to populate the value set that's bound to the context node attribute with the desired key/value pairs.
Hope this helps.
Best regards,
Loren
Message was edited by: Loren Woo

How to populate values dynamically in dropdownbykey

Hi All,
My requirement is to populate the dropdown filled in with values( and key) which are coming from the ZBAPI call ie web service model.
How do i achieve this ?
Kindly provide me with some pseudo code.
Reg/Venkat

Hi Venkat,
          You can populate dropdown values from webservice using the following steps. I assume you gave idea about custom controller.
step1:
      Create custom controller.Inside custom controller Bind input value then execute webservice.
step2:
      Now you have value node which is returned from web service. find thr size of value node.
After execute web service you can find size using the following code. create value node and model node object using the code.
Step3:
<custom controller name>.IRole_ResultNode modelnode=wdContext.nodeRole_Result();
<custom controller name>.IRole_OutputNode valuenode=wdContext.nodeRole_Output();
valuenode.invalidate();
int size=modelnode.size();
Step4:
     After find size using loop fetch values from model node into value node.Asume in this value node contains key and value.
for(int x=0;x<modelnode.size();x++){
<custom controller name>.IRole_ResultElement modelElement=modelnode.getRole_ResultElementAt(x);
<custom controller name>.IRole_OutputElement valueElement=wdContext.createRole_OutputElement();
valueElement.setId(modelElement.getKey());
valueElement.setText(modelElement.getValue());
valuenode.addElement(valueElement);
step5:
After that bind this value node(Role_Output) into Component controller. Then Bind value node(Role_Output) from component controller into view.
Step6:
Finally bind dropdown UI Element into Role_Output node's attribute(ID).
Kind Regards,
S.Saravanan

Check mandatory dropdownbykey

In my view I have two dropdownbykey elements. After a push on the button I want to check if a value in the dropdown is selected.
I found the following code to check "simple" inputfields:
public void checkMandatory( java.lang.String fieldname )
    //@@begin checkMandatory()
    IWDMessageManager msgMan = wdComponentAPI.getMessageManager();
    String value = wdContext.nodeProject().currentProjectElement().getAttributeAsText(fieldname);
    IWDAttributeInfo projectAttr = wdContext.nodeProject().getNodeInfo().getAttribute(fieldname);
    if (value.length() == 0) {
         msgMan.reportContextAttributeMessage(
              wdContext.nodeProject().currentProjectElement(),
              projectAttr,
              IMessageCCAdvice.MISSING_INPUT,
              new Object[] { fieldname },
              true);
    //@@end
But if I run this a dump appears on
String value = wdContext.nodeProject().currentProjectElement().getAttributeAsText(fieldname);
It works fine for "simple" inputfields but not for the dropdown fields.
Can anybody help me?
Thanks in advance.
Michael

Hi
Do dynamic validation this way, its generic for every string attribute, regardless of the UIElement..:
//Method on the view
public void checkMandatory( java.lang.String[] pathNodeNames, java.lang.String attributeName, java.lang.String placeHolder )
    //@@begin checkMandatory()
      //MessageManagerInstance
      IWDMessageManager messageManager =     wdComponentAPI.getMessageManager();
      IWDNode node = wdContext;
      Object attributeValue = null;
      IWDAttributeInfo attributeInfo = null;
      //Find the attribute within context tree
      if (pathNodeNames.length == 0)
           //Let's get the attribute value
           attributeValue = wdContext.currentContextElement().getAttributeValue(attributeName);
      else
     for(int i=0; i< pathNodeNames.length; i++)
       //Go a level down within context tree
       node = node.getChildNode(pathNodeNames<i>, IWDNode.LEAD_SELECTION);
      //Let's get the attribute value
      attributeValue = node.getCurrentElement().getAttributeValue(attributeName);
      //Extract attribute info
      attributeInfo = node.getNodeInfo().getAttribute(attributeName);
      //Check if the string is null or empty, and report nulls/empties to messagemanager
      if (isEmptyField(attributeValue))
           messageManager.reportContextAttributeMessage(node.getCurrentElement(),
               attributeInfo, IMessageCCAdvice.MISSING_INPUT, new Object[] { placeHolder }, true);
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//Metodo on the view
public boolean isEmptyField( java.lang.Object attributeValue )
    //@@begin isEmptyField()
      String stringValue;
      if ((attributeValue != null))
           stringValue = attributeValue.toString();
           if (stringValue.trim().length() > 0)
             return false;
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//Method which will manage dynamic validation to achieve business rules
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      if (someCondition()) //You can validate based on conditions, in order to apply business rules sucessfully
        //Array of Strings would go empty if the attribute is located in context root
        //wdContext -->attribute
        this.checkMandatory(new String[]{} , fieldname , "placeholderValue");
      else
        //Careful here, you'll send one element inside the array of String for each subnode in context tree in which attributeName is located
        //on your case, within context root you have a node called "Project", and your attributeName inside "Project"
        //wdContext-->node "Project"--> attribute "fieldName"
        checkMandatory(new String[]{"Project"}, "fieldName", "placeholder text of your choice if needed");
        //Show error messages if thats the case
           wdComponentAPI.getMessageManager().raisePendingException();
Just call the method doValidateFields whenever you want to apply dynamic validation.
public void onActionRejectLoanRequest(com.sap.tc.webdynpro.progmodel.api.IWDCustomEvent wdEvent )
    //@@begin onActionRejectLoanRequest(ServerEvent)
     //Execute validations
     doValidateFields();
     //ATTENTION: If at least one field didn't pass validation,
     //                    this Action's code will stop HERE, next lines
     //                    won't execute. Nice uh?
     //Call method of Loan Reject in CompController to execute reject actions
     wdThis.wdGetLoansAdministrationCompController().doRejectRequest();
    //@@end
Normally, i use some generic error message, and pass the name or description of the value i'm validating, something like:
"The value is mandatory, please select or enter a valid value".
It could be generic too (passed as parameter) , with a few more refinement of this method.
Regards
Julio C. Herrera Cuevas

Dynamically applying OVS on input field

Hi,
I have table with drop DropDownByKey UI element in one column. In all the other columns i have input field. Now based on the value of the DropDownByKey i have to apply the OVS on the input fields of the table column.
Now my question is how can i apply the OVS dynamically.
I can not change the properties of attributes, so want to change them dynamically.
Thanks,
Reeha Verma.

Hi,
You can check the value of context attribute binded to dropdown(KEY) and accordingly formulate the Input structure and output table.
It seems that you have to do the data declecration in advance for all the possible values of dropdown.
If you want to avoid the data decleration in advance then i think you have to dynamically create the context node and attribute to acheive the functionality.
If you have limited values in DropDown then i think you can go with data decleration otherwise please try out with Dynamic context programming.
Thanks,
Rahul

Sorting of dynamical created table

Hi,
i created a context node for a table uielement and added in wddoinit method some attributes.
The celleditor vor according columns is a DropDownByKey .
How can i sort my table by one of this dynamical attributes/columns ?

Hi ,
      I would like to explain the code in more detail
DATA: lv_slno type string value 'SLNO', " SLNO is your column name by which you want to sort
           lo_node type ref to if_wd_context_node.
FIELD-SYMBOLS :
    <lv_table> TYPE STANDARD TABLE.
Get the reference of your table node into lo_node
lo_node = wd_context->get_child_node( 'ABC' ). " Assuming ABC is the node name
Get the data of the node
lo_node->GET_STATIC_ATTRIBUTES_TABLE(
                                                    IMPORTING TABLE = <lv_table> ).
Sort the data in the table
SORT <lv_table> BY (lv_slno) DESCENDING.
Bind the sorted data again
lo_node->bind_table( <lv_table> ).
I hope it is clear now . Let me know in case of any confusion .
Regards
Vivek

DropDownByKey UI Element and Model Attribute

Hi
The DropDownByKey UI Element can be linked to value attribute, which are simple types.
Now if i try to link them to model attribute which are simple types pertaining to some model classes, its not happening.
so my question is how to attach any DropDownByKey UI Element with Model attribute which will get data from model to which it is attached?
thanks
Srikant

D.V.,
Whether or not DDK (DropDownByKey) works with model attribute depends on type of attribute (actually, type of model class property that stays behind this attribute)
If the type contains enumeration itself then DDK works.
So, you have the following options (dynamically populating values set will not work here):
1. Alter type on back-end to include enumeration
2. Use DDI (DropDownByIndex) as suggested here
3. Create sub-node with cardinality 1..1 (better keep singleton false), then add value attribute with the same basic type (string, int etc) and set it flag calculated to true. WD will generate getter / setter for this attribute -- just return / set original model attribute in this method. Next:
3.a Either create new simple DDIC type for calculated attribute and define enumeration here
3.b Or modify SVS of calculated attribute at run-time as suggested in this thread
Valery Silaev
EPAM Systems
http://www.netweaverteam.com/

7.1: Filling choice of DropDownByKey widget

This is a question for NW Mobile 7.1
Dear all,
we want to use the DropDownByKey widget of WebdynPro for Java on the mobile client.
we want to fill the list of choices from a table in our data base
we have a data model, data service, and an operation that returns a result set with just one column
we are able to display this result set in a single column table (for testing)
now we want to fill the choices of the DropDownByKey widget with that result set
how would we do this? I could not find any documentation that helps.
The examples in the documentation only refers to java lists of strings (like the names of the months) which are then added to the choice list using "put" for each value of the list.
Any ideas?
Thanks in advance, Andre
Edited by: André Gerdts on Jun 19, 2008 3:49 PM
to clarify: we are developing for PDAs
A.

Hi Jan,
this information is very helpful and we got it to work in the case that all the records of the helper table should be used to fill the dropdown list.
In the declaration of the helper, it is only possible to specify a data object and the relevant columns. As far as we can see, it is not possible to be more selective to only use certain records based on a filter with input from some other dynamic value.
The case:
- we have 4 DropDownLists.
- the selected value of one DropDown widget determines the subset of allowed values for the next DropDown widget
- all super sets of allowed values are in Data Objects downloaded from the backend. Simplified, they consist of just 2 columns: filter column and value column. We need to select on the filter column to only load the the values from the value column
we don't see that we can abstract such a query with an input parameter in such a way, that we can specify it as the helper table.
Is this a limitation of the feature? or did we miss something?
Cheers, Andre

Assigning values dynamically to drop down

Hi,
I have drop down for which i have to assign values dynamically, I am getting values as a form of Array list.

Hi Venki,
Say your ArrayList is al . Create a value attribute under the root node. Say test. Bind this test to the DropdownByKey UI element. You can populate test attribute like this.
IWDAttributeInfo attributeInfo =
wdContext.getNodeInfo().getAttribute(IPrivate<viewname>View.IContextElement.TEST);
ISimpleTypeModifiable valuesType =
attributeInfo.getModifiableSimpleType();
IModifiableSimpleValueSet VS=
valuesType.getSVServices().getModifiableSimpleValueSet();
for (int i = 0; i < al.size(); i++) {
VS.put(al.get(i),""+al.get(i));
Regards
Siva

Dynamic DropDownByKey

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