added null check condition in performSingleClick method().

git-svn-id: http://15.206.35.175/svn/proteus/business-java/trunk@100232 ce508802-f39f-4f6c-b175-0d175dae99d5

webitm-dashboard/GWT-Component/src/ibase/client/CustomGrid.java

@@ -549,21 +549,18 @@ public class CustomGrid extends AbstractDataGrid<DataGridTableRowModel>
 			for (int i = 0 ; i<tr.getChildCount();i++)
 			{
 				Node tdCell = tr.getChild(i).getFirstChild().getFirstChild();
-				Element spanElemt = tdCell.cast();
-				//Window.alert("spanElemt :"+spanElemt.getInnerHTML());
-				String colName= spanElemt.getElementsByTagName("div").getItem(0).getAttribute("colname");
-				//Window.alert("colName :"+colName);
-				String colval= spanElemt.getElementsByTagName("div").getItem(0).getAttribute("title");
-				parameterListString = parameterListString + "&" + colName.trim() + "=" + colval.trim();
+				 if(tdCell!=null)
+				   {
+					Element spanElemt = tdCell.cast();
+					String colName= spanElemt.getElementsByTagName("div").getItem(0).getAttribute("colname");
+					String colval= spanElemt.getElementsByTagName("div").getItem(0).getAttribute("title");
+					parameterListString = parameterListString + "&" + colName.trim() + "=" + colval.trim();
+				   }
 			}
 			String splitArr[] = metadataName.split("@");
 			metadataName = splitArr[0];
 			linkFormat   = splitArr[1];
 			dispFilterStatus = splitArr[2];
-			//Window.alert("propertyStr :"+propertyStr);
-			//Window.alert("urlStr :"+urlStr);
-			//Window.alert("parameterListString :"+parameterListString);
-			//Window.alert("dispFilterStatus :"+dispFilterStatus);
 			if(linkFormat.trim().length()>0 && linkFormat.trim().equalsIgnoreCase("F"))
 			{
 				buildGridFrame(metadataName,cellValue, propertyStr,urlStr,parameterListString,dispFilterStatus);