Bug 210892 [Regression]The arguments of aggregation builder can not be modified
Description: [Regression]The arguments of aggregation builder can not be modified Build number: 2.3.0.v20071126-0800 Steps to reproduce: 1, New a table 2, Drag a aggregation builder into table 3, Specify the datafield, function to percentile and argument to 0.3 4, Reopen the aggregation and change the argument to 0.4 Expected result: After step4, the artument is changed to 0.4 Actual result: Nothing happened after step4, the argument is still 0.3 Error log:
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/dialogs/BindingDialogHelper.java
if ( binding != null && binding.getAggregateOn( ) != null )
			{
				btnGroup.setSelection( true );
				btnTable.setSelection( false );
				if ( !isRef )
					cmbGroup.setEnabled( true );
				for ( int i = 0; i < groups.length; i++ )
				{
					if ( groups[i].equals( binding.getAggregateOn( ) ) )
					{
						cmbGroup.select( i );
						return;
					}
				}
			}
			else
			{
				btnTable.setSelection( true );
				btnGroup.setSelection( false );
				cmbGroup.select( 0 );
				cmbGroup.setEnabled( false );
			}
		}
		else
		{
			btnGroup.setEnabled( false );
			cmbGroup.setEnabled( false );
			btnTable.setSelection( true );
		}
	}