Bug 136966 When set an alias on a column, the column can not be used in the cascading parameter
Description: When set an alias on a column, the column can not be used in the cascading parameter Steps to reproduce: 1. new a datasource and a dataset 2. set an alias on a column 3. new a cascading parameter, set the column with an alias as the values column Actual result: the column can not be used in the cascading parameter
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/CascadingParametersDialog.java
if ( getInputDisplayName( ) == null )
		{
			displayTypeChooser.clearSelection( ); 
		}
		else
		{
			displayTypeChooser.setText( getInputDisplayName( ) );
		}
		defaultValue = selectedParameter.getDefaultValue( );
		if ( defaultValue == null )
		{
			defaultValueEditor.setText( "" ); 			
		}
		else
		{
			defaultValueEditor.setText( defaultValue );
		}
		helpTextEditor.setText( UIUtil.convertToGUIString( selectedParameter.getHelpText( ) ) );
		if ( selectedParameter.getPropertyHandle( ScalarParameterHandle.LIST_LIMIT_PROP )
				.isSet( ) )
		{
			listLimit.setText( String.valueOf( selectedParameter.getListlimit( ) ) );
		}
		else
		{
			listLimit.setText( "" ); 
		}
		allowNull.setSelection( selectedParameter.allowNull( ) );
		changeDataType( selectedParameter.getDataType( ) );
		loading = false;