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
} );
		if ( isRef )
		{
			txtDisplayName.setEnabled( false );
			cmbType.setEnabled( false );
			txtExpression.setEnabled( false );
		}
	}
	private void createMessageSection( Composite composite )
	{
		messageLine = new CLabel( composite, SWT.NONE );
		GridData layoutData = new GridData( GridData.FILL_HORIZONTAL );
		layoutData.horizontalSpan = 3;
		messageLine.setLayoutData( layoutData );
	}
	private void verifyInput( )
	{
		if ( isRef
				&& ( cmbName.getText( ) == null || cmbName.getText( )
						.equals( "" ) ) )
		{
			dialog.getOkButton( ).setEnabled( false );
			return;
		}
		if ( txtName != null
				&& ( txtName.getText( ) == null || txtName.getText( )
						.trim( )
						.equals( "" ) ) ) 
		{
			if ( dialog.getOkButton( ) != null )