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 ( dialog.getOkButton( ) != null )
				dialog.getOkButton( ).setEnabled( true );
			this.messageLine.setText( "" ); 
			this.messageLine.setImage( null );
		}
	}
	protected void handleFunctionSelectEvent( )
	{
		Control[] children = argsComposite.getChildren( );
		for ( int i = 0; i < children.length; i++ )
		{
			children[i].dispose( );
		}
		String function = getFunctionByDisplayName( cmbFunction.getText( ) );
		if ( function != null )
		{
			argsMap.clear( );
			List args = getFunctionArgNames( function );
			if ( args.size( ) > 0 )
			{
				( (GridData) argsComposite.getLayoutData( ) ).exclude = false;
				( (GridData) argsComposite.getLayoutData( ) ).heightHint = SWT.DEFAULT;
				for ( Iterator iterator = args.iterator( ); iterator.hasNext( ); )
				{
					String argName = (String) iterator.next( );
					Label lblArg = new Label( argsComposite, SWT.NONE );
					lblArg.setText( argName + ":" );