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
setDataFieldExpression( getBinding( ).getExpression( ) );
			}
		}
		if ( !isCreate )
		{
			if ( isRef )
			{
				this.cmbName.setEnabled( false );
			}
			else
			{
				this.txtName.setEnabled( false );
			}
		}
		if ( isAggregate( ) )
		{
			initFunction( );
			initDataFields( );
			initFilter( );
			initGroups( );
		}
		validate( );
	}
	private void initFilter( )
	{
		if ( binding != null && binding.getFilterExpression( ) != null )
		{
			txtFilter.setText( binding.getFilterExpression( ) );
		}
	}