Bug 207119 Newly added binding row._outer["a"] is not shown in the list of group key [0004]
Description: Newly added binding row._outer["a"] is not shown in the list of group key. Build number: 2.2.1.v20071022-0630 Steps to reproduce: 1. New a table table1 binding to CUSTOMERS, insert table2 binding to ORDERS in table1. 2. Add a Column Binding to table2, set row._outer["CUSTOMERNUMBER"] as expression. 3. Add a group to table2, and check the Group On drop-down list. Expected result: Column Binding is listed. Actual result: No Column Binding is listed. Error log: N/A
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/data/ui/util/DataUtil.java
if ( rdHandle != null )
			{
				Iterator configVars = rdHandle.configVariablesIterator( );
				while ( configVars != null && configVars.hasNext( ) )
				{
					ConfigVariableHandle configVar = (ConfigVariableHandle) configVars.next( );
					if ( configVar != null )
					{
						String varName = prepareConfigVarName( configVar
								.getName( ) );
						Object varValue = configVar.getValue( );
						if ( varName == null || varValue == null )
						{
							continue;
						}
						if ( varName.equals( paraName ) )
						{
							String value = (String) varValue;
							
							if( isToBeConverted( parameterHandle.getDataType( ) ) )
							{
								value = "\"" + JavascriptEvalUtil.transformToJsConstants( value )+ "\"";
							}
							return value;
						}
						if ( isNullValue( varName,
								(String) varValue,
								paraName ) )
						{