Bug 213822 [Regression]Can not save the modification of group in Aggregation builder
Description: [2.2.2]Can not save the modification of group in Aggregation builder Build number: 2.2.2.v20071225-0630 Steps to reproduce: 1, New a table with two groups 2, Insert a aggregation builder in group footer 3, Select the first group and click OK 4, Open the builder again and modify the group to group2 Expected result: The modification can be saved Actual result: The modification takes no effect and the report design has no dirty mark after the modification. Error log:
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/dialogs/BindingDialogHelper.java
else
		{
			for ( int i = 0; i < DATA_TYPE_CHOICES.length; i++ )
			{
				if ( DATA_TYPE_CHOICES[i].getDisplayName( )
						.equals( cmbType.getText( ) ) )
				{
					binding.setDataType( DATA_TYPE_CHOICES[i].getName( ) );
					break;
				}
			}
			binding.setDisplayName( txtDisplayName.getText( ) );
			binding.setExpression( txtExpression.getText( ) );
		}
		return binding;
	}
	public ComputedColumnHandle newBinding( ReportItemHandle bindingHolder,
			String name ) throws SemanticException
	{
		if ( isRef )
			return getBindingColumn( );
		ComputedColumn column = StructureFactory.newComputedColumn( bindingHolder,
				name == null ? txtName.getText( ) : name );
		ComputedColumnHandle binding = DEUtil.addColumn( bindingHolder,
				column,
				true );
		return editBinding( binding );
	}
}