Bug 200290 The warning message "A Column Binding Name as xxx already exist" should occurs while input the column binding name but not the expression[0001]
Description: The warning message "A Column Binding Name as xxx already exist" should occurs while input the column binding name but not the expression[0001] Build number: 2.2.1.v20070817-0630 Steps to reproduce: 1, New a table binding on a dataset 2, Insert a data item and input a already existed name such as CUSTOMERNUMBER 3, Specify the expression Expected result: In step2, a warning message: "A Column Binding Name as xxx already exist" should occurs to warning the user Actual result: In step3, the warning message occurs I think we should pops up this message during inputting column binding name but not inputting column binding expression. Hope to enhance that.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/dialogs/BindingDialogHelper.java
Composite aggOnComposite = new Composite( composite, SWT.NONE );
		gridData = new GridData( GridData.FILL_HORIZONTAL
				| GridData.GRAB_HORIZONTAL );
		gridData.horizontalSpan = 2;
		aggOnComposite.setLayoutData( gridData );
		layout = new GridLayout( );
		layout.horizontalSpacing = layout.verticalSpacing = 0;
		layout.marginWidth = layout.marginHeight = 0;
		layout.numColumns = 2;
		aggOnComposite.setLayout( layout );
		btnTable = new Button( aggOnComposite, SWT.RADIO );
		btnTable.setText( getBindingHolder( ) instanceof TableHandle ? TABLE
				: LIST );
		btnTable.addSelectionListener( new SelectionListener( ) {
			public void widgetDefaultSelected( SelectionEvent e )
			{
			}
			public void widgetSelected( SelectionEvent e )
			{
				cmbGroup.setEnabled( false );
			}
		} );
		WidgetUtil.createGridPlaceholder( aggOnComposite, 1, false );
		btnGroup = new Button( aggOnComposite, SWT.RADIO );
		btnGroup.setText( GROUP );
		btnGroup.addSelectionListener( new SelectionListener( ) {
			public void widgetDefaultSelected( SelectionEvent e )
			{
			}
			public void widgetSelected( SelectionEvent e )