/// <summary>
/// Override this method to handle displaying of error information.
/// You can write to the HTTP output stream. If using MVC you can
/// use the Westwind.Web.ViewRenderer class to easily display an
/// MVC view.
/// </summary>
/// <param name="errorHandler">Contains error and request information</param>
/// <param name="model">
/// Model that contains a few simple properties like title and message
/// as well as an instance of the errorHandler object passed in to allow
/// for error pages that can provide a wealth of detail if desired.
/// </param>
protected virtual void OnDisplayError(WebErrorHandler errorHandler, ErrorViewModel model)
{
}
/// <summary>
/// Semi generic Application_Error handler method that can be used
/// to handle errors without additional code. You should implement
/// the DisplayError event and LogError Event methods to display
/// a message when ErrorHandlingModes is not Default
/// </summary>
/// <param name="errorHandlingMode"></param>
public void HandleError(ErrorHandlingModes errorHandlingMode = ErrorHandlingModes.Default)
{
var context = HttpContext.Current;
var Response = context.Response;
var Server = context.Server;
if (Response.Filter != null)
{
var f = Response.Filter;
f = null; // REQUIRED - w/o this null setting doesn't work
Response.Filter = null;
}
var ex = Server.GetLastError().GetBaseException();
OriginalHttpStatusCode = 500;
if (ex is HttpException)
{
var httpException = (HttpException)ex;
OriginalHttpStatusCode = httpException.GetHttpCode();
}
var errorHandler = new WebErrorHandler(ex);
errorHandler.Parse();
if (LogManagerConfiguration.Current.LogErrors &&
OriginalHttpStatusCode < 400 || OriginalHttpStatusCode > 410)
{
OnLogError(errorHandler, LastException);
}
var model = new ErrorViewModel();
model.WebErrorHandler = this;
model.ErrorHandlingMode = errorHandlingMode;
if (errorHandlingMode == ErrorHandlingModes.Default)
{
// return default ASP.NET error screen behavior
// Yellow Screen of Death or ASP.NET DisplayErrors form
Response.TrySkipIisCustomErrors = true;
return;
}
//if (errorHandlingMode == ErrorHandlingModes.DeveloperErrorMessage)
//{
// model.Message = errorHandler.ToString();
// model.MessageIsHtml = true;
//}
//else if (errorHandlingMode == ErrorHandlingModes.ApplicationErrorMessage)
//{
// // do nothing - already got our message
//}
Response.ClearContent();
Response.ClearHeaders();
Server.ClearError();
Response.TrySkipIisCustomErrors = true;
Response.ContentType = "text/html";
Response.StatusCode = 500;
OnDisplayError(errorHandler, model);
}
/// <summary>
/// Semi generic Application_Error handler method that can be used
/// to handle errors without additional code. You should implement
/// the DisplayError event and LogError Event methods to display
/// a message when ErrorHandlingModes is not Default
/// </summary>
/// <param name="errorHandlingMode"></param>
public void HandleError(ErrorHandlingModes errorHandlingMode = ErrorHandlingModes.Default)
{
var context = HttpContext.Current;
var Response = context.Response;
var Server = context.Server;
if (Response.Filter != null)
{
var f = Response.Filter;
f = null; // REQUIRED! - w/o this null setting doesn't work
Response.Filter = null;
}
var ex = Server.GetLastError().GetBaseException();
OriginalHttpStatusCode = 500;
if (ex is HttpException)
{
var httpException = (HttpException)ex;
OriginalHttpStatusCode = httpException.GetHttpCode();
}
var errorHandler = new WebErrorHandler(ex);
errorHandler.RetrieveSourceLines = this.RetrieveSourceLines;
errorHandler.Parse();
if (LogManagerConfiguration.Current.LogErrors &&
// don't log URL link errors
OriginalHttpStatusCode < 400 || OriginalHttpStatusCode > 410)
{
OnLogError(errorHandler, LastException);
}
var model = new ErrorViewModel();
model.Title = Resources.AnErrorOccurredInYourApplication;
model.Message = errorHandler.ErrorMessage;
model.WebErrorHandler = errorHandler;
model.ErrorHandlingMode = errorHandlingMode;
if (errorHandlingMode == ErrorHandlingModes.Default)
{
// return default ASP.NET error screen behavior
// Yellow Screen of Death or ASP.NET DisplayErrors form
Response.TrySkipIisCustomErrors = true;
return;
}
Response.ClearContent();
Response.ClearHeaders();
Server.ClearError();
Response.TrySkipIisCustomErrors = true;
Response.ContentType = "text/html";
Response.StatusCode = 500;
OnDisplayError(errorHandler, model);
}
/// <summary>
/// Allows overriding of DisplayError
/// </summary>
/// <param name="error"></param>
/// <param name="model"></param>
protected virtual void OnDisplayError(WebErrorHandler error, ErrorViewModel model)
{
if (DisplayError != null)
DisplayError(error, model);
}
/// <summary>
/// Override this method to handle displaying of error information.
/// You can write to the HTTP output stream. If using MVC you can
/// use the Westwind.Web.ViewRenderer class to easily display an
/// MVC view.
/// </summary>
/// <param name="errorHandler">Contains error and request information</param>
/// <param name="model">
/// Model that contains a few simple properties like title and message
/// as well as an instance of the errorHandler object passed in to allow
/// for error pages that can provide a wealth of detail if desired.
/// </param>
protected virtual void OnDisplayError(WebErrorHandler errorHandler, ErrorViewModel model)
{
}
