Bug 180864 Change Allow Null option in Cascading Group.[0705]
Description: Change Allow Null option in Cascading Group. Build number:2.2.0.v20070404 Steps to reproduce: 1. New a cascading group and add sub parameter. Expected result: Is Required option in cascading group definition dialog. Actual result: Allow null value option in Cascading Group definition dialog Error log:N/A
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/CascadingParametersDialog.java
ResultSetColumnHandle columnHandle )
	{
		String type = handle.getDataType( );
		if ( handle == selectedParameter && dataTypeChooser.isEnabled( ) )
		{
			type = getSelectedDataType( );
		}
		if ( DesignChoiceConstants.PARAM_TYPE_STRING.equals( type )
				|| DesignChoiceConstants.COLUMN_DATA_TYPE_ANY.equals( columnHandle.getDataType( ) ) )
		{
			return true;
		}
		else if ( DesignChoiceConstants.PARAM_TYPE_BOOLEAN.equals( type ) )
		{
			return DesignChoiceConstants.COLUMN_DATA_TYPE_BOOLEAN.equals( columnHandle.getDataType( ) );
		}
		else if ( DesignChoiceConstants.PARAM_TYPE_DATETIME.equals( type ) )
		{
			return DesignChoiceConstants.COLUMN_DATA_TYPE_DATETIME.equals( columnHandle.getDataType( ) );
		}
		else if ( DesignChoiceConstants.PARAM_TYPE_DECIMAL.equals( type ) )
		{
			return DesignChoiceConstants.COLUMN_DATA_TYPE_DECIMAL.equals( columnHandle.getDataType( ) );
		}
		else if ( DesignChoiceConstants.PARAM_TYPE_FLOAT.equals( type ) )
		{
			return DesignChoiceConstants.COLUMN_DATA_TYPE_FLOAT.equals( columnHandle.getDataType( ) );
		}
		else if ( DesignChoiceConstants.PARAM_TYPE_INTEGER.equals( type ) )
		{