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 ( getBindingHolder( ) instanceof ListingHandle )
		{
			ListingHandle listingHandle = (ListingHandle) getBindingHolder( );
			String[] groups = new String[listingHandle.getGroups( ).getCount( )];
			for ( int i = 0; i < groups.length; i++ )
			{
				groups[i] = ( (GroupHandle) listingHandle.getGroups( ).get( i ) ).getName( );
			}
			return groups;
		}
		return new String[0];
	}
	private void setDataFieldExpression( String expression )
	{
		this.expression = expression;
		if ( expression != null )
		{
			if ( cmbDataField != null && !cmbDataField.isDisposed( ) )
			{
				cmbDataField.setText( expression );
			}
			if ( txtExpression != null && !txtExpression.isDisposed( ) )
			{
				txtExpression.setText( expression );
			}
		}
	}
	private void setName( String name )
	{