Bug 207250 Check blank value for datetime type parameter from url.[0002][0705]
Description: Check blank value for datetime type parameter from url. Build number:2.3.0.v20071023 Steps to reproduce: 1. New a datetime parameter mydt,listbox, tick off isRequired. 2. Preview in external browser and add "&dt=" in url, press enter. Expected result: Error message to indicate blank value isn't allowed for this parameter. Actual result: No error message and blank value is accepted. I tried to new a jsp and use <birt:paramDef> to pass the blank value and the blank value is accepted,too. Error log:n/a
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/resource/ResourceConstants.java
{
	
	public static final String EXCEPTION_DIALOG_TITLE = "birt.viewer.dialog.exception.title"; 
	public static final String EXPORT_REPORT_DIALOG_TITLE = "birt.viewer.dialog.exportReport.title"; 
	public static final String PARAMETER_DIALOG_TITLE = "birt.viewer.dialog.parameter.title"; 
	public static final String SIMPLE_EXPORT_DATA_DIALOG_TITLE = "birt.viewer.dialog.simpleExportData.title"; 
	public static final String PRINT_REPORTSERVER_DIALOG_TITLE = "birt.viewer.dialog.printReportServer.title"; 
	public static final String PRINT_REPORT_DIALOG_TITLE = "birt.viewer.dialog.printReport.title"; 
	public static final String CONFIRMATION_DIALOG_TITLE = "birt.viewer.dialog.confirmation.title"; 
	/**
	 * Page title for the "web viewer", "html" preview.
	 */
	public static final String BIRT_VIEWER_TITLE = "birt.viewer.title"; 
	
	public static final String GENERAL_ERROR_PARAMETER_INVALID = "birt.viewer.error.parameter.invalid"; 
	
	public static final String GENERAL_EXCEPTION_DOCUMENT_FILE_ERROR = "birt.viewer.generalException.DOCUMENT_FILE_ERROR"; 
	public static final String GENERAL_EXCEPTION_DOCUMENT_ACCESS_ERROR = "birt.viewer.generalException.DOCUMENT_ACCESS_ERROR"; 
	public static final String GENERAL_EXCEPTION_REPORT_FILE_ERROR = "birt.viewer.generalException.REPORT_FILE_ERROR"; 
	public static final String GENERAL_EXCEPTION_REPORT_ACCESS_ERROR = "birt.viewer.generalException.REPORT_ACCESS_ERROR"; 	
	public static final String GENERAL_EXCEPTION_DOCUMENT_FILE_PROCESSING = "birt.viewer.generalException.DOCUMENT_FILE_PROCESSING";