[SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")] // all exceptions caught and written to server event log
protected void Page_Load(object sender, EventArgs e)
{
try
{
CheckPlayAssignment();
SlkUtilities.RetryOnDeadlock(delegate()
{
Response.Clear();
ClearError();
m_framesetHelper = new FramesetHelper();
m_framesetHelper.ProcessPageLoad(SlkStore.PackageStore, TryGetSessionView, TryGetAttemptId, ProcessViewRequest);
// If this is not e-learning content, then we have to write the content directly to response.
if (!HasError && !m_isELearning)
{
SendNonElearningContent();
Response.End();
}
});
}
catch (ThreadAbortException)
{
// response ended. Do nothing.
return;
}
catch (FileNotFoundException)
{
Response.StatusCode = 404;
Response.StatusDescription = "Not Found";
RegisterError(SlkFrameset.FRM_DocumentNotFoundTitleHtml, SlkFrameset.FRM_DocumentNotFound, false);
}
catch (UserNotFoundException)
{
Response.StatusCode = 500;
Response.StatusDescription = "Internal Server Error";
// This probably indicates the site allows anonymous access and the user is not signed in.
RegisterError(SlkFrameset.FRM_AssignmentNotAvailableTitle, SlkFrameset.FRM_SignInRequiredMsgHtml, false);
}
catch (HttpException ex)
{
// Do not set response codes
SlkStore.LogException(ex);
RegisterError(SlkFrameset.FRM_AssignmentNotAvailableTitle, SlkFrameset.FRM_AssignmentNotAvailableMsgHtml, false);
}
catch (Exception ex)
{
Response.StatusCode = 500;
Response.StatusDescription = "Internal Server Error";
SlkStore.LogException(ex);
RegisterError(SlkFrameset.FRM_AssignmentNotAvailableTitle, SlkFrameset.FRM_AssignmentNotAvailableMsgHtml, false);
}
}
public bool ProcessAttemptIdParameter(bool showErrorPage, out AttemptItemIdentifier attemptId)
{
return(FramesetHelper.TryProcessAttemptIdParameter(showErrorPage, out attemptId));
}
/// <summary>
/// Returns true, and the value of the required parameter. If the parameter is not found or has no value,
/// this method will display the error page.
/// </summary>
/// <param name="name">The name of the parameter.</param>
/// <param name="value">The value of the parameter. The value should be ignored if false is returned.</param>
/// <returns>True if the parameter existed.</returns>
public bool TryGetRequiredParameter(string name, out string value)
{
return(FramesetHelper.TryGetRequiredParameter(name, out value));
}
/// <summary>
/// Clears the current error state.
/// </summary>
protected virtual void ClearError()
{
FramesetHelper.ClearError();
}
/// <summary>
/// Register error information to be written to the response object.
/// Only the first error that is registered is displayed.
/// </summary>
/// <param name="shortDescription">A short description (sort of a title) of the problem. Html format.</param>
/// <param name="message">A longer description of the problem. Html format.</param>
/// <param name="asInfo">If true, message is show with Info icon. Otherwise, it's an error.</param>
protected virtual void RegisterError(string shortDescription, string message, bool asInfo)
{
FramesetHelper.RegisterError(shortDescription, message, asInfo);
}
