Regarding DataNodeInfo(DisplayList.DynamicNode):unknown child node ACTION

Question

hi everyone
I am facing such problem while working with dynamic elements the exception I am getting is as follows:com.sap.tc.webdynpro.progmodel.context.ContextException: DataNodeInfo(DisplayList.DynamicNode): unknown child node ACTION

Answer 1

Hi Sumit
I have pasted my code below:
public static void wdDoModifyView(IPrivateDisplayList wdThis, IPrivateDisplayList.IContextNode wdContext, com.sap.tc.webdynpro.progmodel.api.IWDView view, boolean firstTime)
    //@@begin wdDoModifyView
     try
     IWDMessageManager msgMgr = wdThis.wdGetAPI().getComponent().getMessageManager();
          int intCat = wdContext.nodeField_Catalog_Disp1_Out().size();
          int intList = wdContext.nodeWeb_Table_Disp1_Out().size();     
          int intSelection =  wdContext.nodeSelectionNode().size();
String selc_field=wdContext.currentReportTypeElement().getName();
wdContext.currentContextElement().setField_selection("Selection Fields: "+selc_field);
          IWDTable theGrp = (IWDTable)view.getElement("Table2");
          theGrp.setSelectionMode(WDTableSelectionMode.NONE);
          theGrp.setFooterVisible(false);
          theGrp.setDesign(WDTableDesign.ALTERNATING);
                    theGrp.setReadOnly(true);
                         if(firstTime)
                         IWDNodeInfo node = wdContext.nodeDynamicNode().getNodeInfo();
                         for(int i=0;i<intCat;i++)
                              wdThis.wdGetAPI().getComponent().getMessageManager().reportSuccess("intcat"+intCat);
                              //wdThis.wdGetAPI().getComponent().getMessageManager().reportSuccess("i"+i);
                              node.addAttribute(wdContext.nodeField_Catalog_Disp1_Out().getField_Catalog_Disp1_OutElementAt(i).getFieldname(),"com.sap.dictionary.string");
                              IWDTableColumn tabCln = (IWDTableColumn)view.createElement(IWDTableColumn.class,"Cln_"+wdContext.nodeField_Catalog_Disp1_Out().getField_Catalog_Disp1_OutElementAt(i).getFieldname());
                              IWDCaption clnCpt = (IWDCaption)view.createElement(IWDCaption.class,"hd_"+wdContext.nodeField_Catalog_Disp1_Out().getField_Catalog_Disp1_OutElementAt(i).getFieldname());
                              clnCpt.setText("");
                              clnCpt.setText(wdContext.nodeField_Catalog_Disp1_Out().getField_Catalog_Disp1_OutElementAt(i).getHeading());
                              IWDTableStandardCell tblStdcell = (IWDTableStandardCell)view.createElement(IWDTableStandardCell.class,"stdCell_"+wdContext.nodeField_Catalog_Disp1_Out().getField_Catalog_Disp1_OutElementAt(i).getFieldname());
                              IWDTextView txtHeader = (IWDTextView)view.createElement(IWDTextView.class,"Header_"+wdContext.nodeField_Catalog_Disp1_Out().getField_Catalog_Disp1_OutElementAt(i).getFieldname());
                              txtHeader.setText(wdContext.nodeField_Catalog_Disp1_Out().getField_Catalog_Disp1_OutElementAt(i).getHeading());
                              txtHeader.setDesign(WDTextViewDesign.HEADER3);
                              tblStdcell.setEditor(txtHeader);
                              tblStdcell.setCellDesign(WDTableCellDesign.GROUP_LEVEL2);                              
                              tabCln.addFixedTopCell(tblStdcell);
                              IWDTextView clnTce = (IWDTextView)view.createElement(IWDTextView.class,"tce_"+wdContext.nodeField_Catalog_Disp1_Out().getField_Catalog_Disp1_OutElementAt(i).getFieldname());
                              clnTce.bindText("DynamicNode."+wdContext.nodeField_Catalog_Disp1_Out().getField_Catalog_Disp1_OutElementAt(i).getFieldname());
                              clnTce.setWrapping(true);
                              tabCln.setTableCellEditor(clnTce);
                              theGrp.addColumn(tabCln);IWDTable table = (IWDTable) view.getElement("Table2");
                              wdContext.currentContextElement().setTableSorter(new TableSorter(table, wdThis.wdGetSortAction(), null));
                         IWDTransparentContainer theTarnsDisp = (IWDTransparentContainer)view.getElement("TransparentContainer_3");
                         //wdThis.wdGetAPI().getComponent().getMessageManager().reportSuccess("intsel"+intSelection);
                         for(int k =0;k<intSelection;k++)
                              //node.addAttribute("Disp_"+wdContext.nodeSelectionNode().getSelectionNodeElementAt(k).getName(),"com.sap.dictionary.string");
                              IWDTextView clnTxt1 = (IWDTextView)view.createElement(IWDTextView.class,"Disp1_"+wdContext.nodeSelectionNode().getSelectionNodeElementAt(k).getName());
                              clnTxt1.setText(wdContext.nodeSelectionNode().getSelectionNodeElementAt(k).getName()+ " : ");
                              clnTxt1.setDesign(WDTextViewDesign.HEADER3);                              
                              clnTxt1.setWrapping(true);
                              IWDTextView clnTxt2 = (IWDTextView)view.createElement(IWDTextView.class,"Disp2_"+wdContext.nodeSelectionNode().getSelectionNodeElementAt(k).getName());
                              clnTxt2.setText(wdContext.nodeSelectionNode().getSelectionNodeElementAt(k).getValue1());
                              if(("".equals(wdContext.nodeSelectionNode().getSelectionNodeElementAt(k).getValue2())))
                                   clnTxt2.setText(wdContext.nodeSelectionNode().getSelectionNodeElementAt(k).getValue1());                         
                              if(!"".equals(wdContext.nodeSelectionNode().getSelectionNodeElementAt(k).getValue2()))
                                   clnTxt2.setText(wdContext.nodeSelectionNode().getSelectionNodeElementAt(k).getValue1()" - "wdContext.nodeSelectionNode().getSelectionNodeElementAt(k).getValue2());                         
                              clnTxt2.setWrapping(true);
                              IWDGridData gridLayout1 = (IWDGridData)clnTxt1.createLayoutData(IWDGridData.class);
                              gridLayout1.setWidth("5%");                              
                              gridLayout1.setPaddingBottom("3");
                              IWDGridData gridLayout2 = (IWDGridData)clnTxt2.createLayoutData(IWDGridData.class);                              
                              gridLayout2.setPaddingBottom("3");     
                              theTarnsDisp.addChild(clnTxt1);
                              theTarnsDisp.addChild(clnTxt2);
                    //          wdThis.wdGetAPI().getComponent().getMessageManager().reportSuccess("first ck in end of for");
                         }//end of intselection for loop                              
                         wdContext.currentContextElement().setModifyFlag(false);     
                    //     wdThis.wdGetAPI().getComponent().getMessageManager().reportSuccess("first check aftr for1");
                    //}//end of intcat for loop
                    //wdThis.wdGetAPI().getComponent().getMessageManager().reportSuccess("first check aftr for2");
          //}// if first time ends
//          second chk
                    //                 wdThis.wdGetAPI().getComponent().getMessageManager().reportSuccess("second check");
               if(wdContext.currentContextElement().getModifiedFlag())
                         String strLine = "";
                         int intLine =0;
                         Collection col = new Vector();
                         IWDTextAccessor textAccessor = wdThis.wdGetAPI().getComponent().getTextAccessor();
                         String strLan = textAccessor.getText("TXT_LAN");
                         if("EN".equalsIgnoreCase(strLan))
                    for(int j=0;j<intList;j++)
                         IDynamicNodeElement dynObj = wdContext.createDynamicNodeElement();
                         strLine = wdContext.nodeWeb_Table_Disp1_Out().getWeb_Table_Disp1_OutElementAt(j).getTline();
                         intLine = strLine.length();
                         strLine = strLine.substring(1,intLine-1);
                         for(int k=0;k<intCat;k++)
                              Integer startIntger = Integer.valueOf(wdContext.nodeField_Catalog_Disp1_Out().getField_Catalog_Disp1_OutElementAt(k).getStartpos());
                              Integer lengthIntger = Integer.valueOf(wdContext.nodeField_Catalog_Disp1_Out().getField_Catalog_Disp1_OutElementAt(k).getLength());
                              int start = startIntger.intValue();
                              int length = lengthIntger.intValue();
                              String strVal = strLine.substring(start,start+length);
                              if(wdContext.nodeField_Catalog_Disp1_Out().getField_Catalog_Disp1_OutElementAt(k).getDatatype().equalsIgnoreCase("DATE"))
                                   try
                                        String strdate ="";
                                        String strFmt = "";
                                        if("YYYY/MM/DD".equalsIgnoreCase(wdContext.currentUser_ProfileElement().getDatefmt()))
                                             strFmt = "yyyy/MM/dd";
                                        else
                                             strFmt = "MM/dd/yyyy";
                                        SimpleDateFormat ch1 = new SimpleDateFormat("yyyyMMdd");
                                        //SimpleDateFormat ch2 = new SimpleDateFormat("yyyy-MM-dd");
                                        SimpleDateFormat ch2 = new SimpleDateFormat(strFmt);
                                        strVal = strVal.trim();
                                        if(!"".equals(strVal))
                                             strdate = ch2.format(ch1.parse(strVal));     
                                        dynObj.setAttributeValue(wdContext.nodeField_Catalog_Disp1_Out().getField_Catalog_Disp1_OutElementAt(k).getFieldname(),strdate);
                                   catch(Exception e)
                                        //     msgMgr.reportException(e.getLocalizedMessage(), false);
                                        //     msgMgr.reportException(e.getMessage(), false);
                                        //     msgMgr.reportException(e.toString(), false);
                              else if(wdContext.nodeField_Catalog_Disp1_Out().getField_Catalog_Disp1_OutElementAt(k).getDatatype().equalsIgnoreCase("QUAN"))
                                   Double dblVal = null;
                                   DecimalFormat sdf = new DecimalFormat("#,###.000####");
                                   dblVal = new Double(strVal);
                                   dynObj.setAttributeValue(wdContext.nodeField_Catalog_Disp1_Out().getField_Catalog_Disp1_OutElementAt(k).getFieldname(),sdf.format(dblVal.doubleValue()));
                              else
                                   dynObj.setAttributeValue(wdContext.nodeField_Catalog_Disp1_Out().getField_Catalog_Disp1_OutElementAt(k).getFieldname(),strVal);
                         col.add(dynObj);
                    }// for ends
                         else
                              for(int j=0;j<intList;j++)
                                   IDynamicNodeElement dynObj = wdContext.createDynamicNodeElement();
                                   strLine = wdContext.nodeWeb_Table_Disp1_Out().getWeb_Table_Disp1_OutElementAt(j).getTline();
                                   intLine = strLine.length();
                                   strLine = strLine.substring(1,intLine-1);
                                   String[] strArr = strLine.split("#");
                                   for(int k=0;k<intCat;k++)
//                                        Integer startIntger = Integer.valueOf(wdContext.nodeField_Catalog_Disp1_Out().getField_Catalog_Disp1_OutElementAt(k).getStartpos());
//                                        Integer lengthIntger = Integer.valueOf(wdContext.nodeField_Catalog_Disp1_Out().getField_Catalog_Disp1_OutElementAt(k).getLength());
//                                        int start = startIntger.intValue();
//                                        int length = lengthIntger.intValue();
//                                        String strVal = strLine.substring(start,start+length);
                                        String strVal = strArr[k];
                                        if(wdContext.nodeField_Catalog_Disp1_Out().getField_Catalog_Disp1_OutElementAt(k).getDatatype().equalsIgnoreCase("DATE"))
                                             try
                                                  String strdate ="";
                                                  String strFmt = "";
                                                  if("YYYY/MM/DD".equalsIgnoreCase(wdContext.currentUser_ProfileElement().getDatefmt()))
                                                       strFmt = "yyyy/MM/dd";
                                                  else
                                                       strFmt = "MM/dd/yyyy";
                                                  SimpleDateFormat ch1 = new SimpleDateFormat("yyyyMMdd");
                                                  //SimpleDateFormat ch2 = new SimpleDateFormat("yyyy-MM-dd");
                                                  SimpleDateFormat ch2 = new SimpleDateFormat(strFmt);
                                                  strVal = strVal.trim();
                                                  if(!"".equals(strVal))
                                                       strdate = ch2.format(ch1.parse(strVal));     
                                                  dynObj.setAttributeValue(wdContext.nodeField_Catalog_Disp1_Out().getField_Catalog_Disp1_OutElementAt(k).getFieldname(),strdate);
                                             catch(Exception e)
                                                  //     msgMgr.reportException(e.getLocalizedMessage(), false);
                                                  //     msgMgr.reportException(e.getMessage(), false);
                                                  //     msgMgr.reportException(e.toString(), false);
                                        else if(wdContext.nodeField_Catalog_Disp1_Out().getField_Catalog_Disp1_OutElementAt(k).getDatatype().equalsIgnoreCase("QUAN"))
                                             Double dblVal = null;
                                             DecimalFormat sdf = new DecimalFormat("#,###.000####");
                                             dblVal = new Double(strVal);
                                             dynObj.setAttributeValue(wdContext.nodeField_Catalog_Disp1_Out().getField_Catalog_Disp1_OutElementAt(k).getFieldname(),sdf.format(dblVal.doubleValue()));
                                        else
                                             dynObj.setAttributeValue(wdContext.nodeField_Catalog_Disp1_Out().getField_Catalog_Disp1_OutElementAt(k).getFieldname(),strVal);
                                   col.add(dynObj);
                              }// for ends
                    wdContext.nodeDynamicNode().bind(col);
                    if(wdContext.nodeDynamicNode().size()==0)
                         wdContext.currentContextElement().setDownLoadHide(WDVisibility.NONE);
                    else
                         wdContext.currentContextElement().setDownLoadHide(WDVisibility.VISIBLE);                    
                    wdContext.currentContextElement().setModifiedFlag(false);
             }// if ends
     catch(Exception e)
          wdThis.wdGetAPI().getComponent().getMessageManager().reportException("Error Occurred in WdDoModifyView Method of DisplayList View. Please contact System Administrator"+e,false);
     finally
    //@@end
Thanks & Regards
Jaspreet Kaur