protected StandardJsonResult JsonError(string errorMessage)
{
var result = new StandardJsonResult();
result.AddError(errorMessage);
return(result);
}
protected StandardJsonResult JsonErrorAllowGet(string errorMessage)
{
var json = new StandardJsonResult();
json.AddError(errorMessage);
json.JsonRequestBehavior = JsonRequestBehavior.AllowGet;
json.MaxJsonLength = 1000000;
return(json);
}
protected StandardJsonResult JsonValidationError()
{
var result = new StandardJsonResult();
foreach (var validationError in ModelState.Values.SelectMany(v => v.Errors))
{
result.AddError(validationError.ErrorMessage);
}
return(result);
}
protected StandardJsonResult JsonError(string errorMessage, JsonRequestBehavior behavior = JsonRequestBehavior.DenyGet)
{
var result = new StandardJsonResult {
JsonRequestBehavior = behavior
};
result.AddError(errorMessage);
return(result);
}
public override void OnException(ExceptionContext filterContext)
{
if (filterContext == null)
{
throw new ArgumentNullException(nameof(filterContext));
}
if (!filterContext.IsChildAction &&
!filterContext.ExceptionHandled &&
filterContext.HttpContext.IsCustomErrorEnabled &&
new HttpException(null, filterContext.Exception).GetHttpCode() == (int)HttpStatusCode.InternalServerError &&
this.ExceptionType.IsInstanceOfType(filterContext.Exception))
{
if (filterContext.HttpContext.Request.IsAjaxRequest())
{
var jsonResult = new StandardJsonResult {
JsonRequestBehavior = JsonRequestBehavior.AllowGet
};
jsonResult.AddError(filterContext.Exception.Message);
filterContext.Result = jsonResult;
}
else
{
var controllerName = (string)filterContext.RouteData.Values["controller"];
var actionName = (string)filterContext.RouteData.Values["action"];
var model = new HandleErrorInfo(filterContext.Exception, controllerName, actionName);
var viewData = new ViewDataDictionary <HandleErrorInfo> {
Model = model
};
filterContext.Controller.ViewData.ForEach(viewData.Add);
filterContext.Result = new ViewResult
{
ViewName = this.View,
MasterName = this.Master,
ViewData = viewData,
TempData = filterContext.Controller.TempData
};
}
filterContext.ExceptionHandled = true;
filterContext.HttpContext.Response.Clear();
filterContext.HttpContext.Response.StatusCode = (int)HttpStatusCode.InternalServerError;
filterContext.HttpContext.Response.TrySkipIisCustomErrors = true;
}
}
public static JsonResult JsonError(
this Controller controller,
string errorMessage,
string contentType = null,
Encoding contentEncoding = null,
JsonRequestBehavior jsonRequestBehavior = JsonRequestBehavior.DenyGet)
{
var result = new StandardJsonResult
{
ContentType = contentType,
ContentEncoding = contentEncoding,
JsonRequestBehavior = jsonRequestBehavior,
};
result.AddError(errorMessage);
return(result);
}
public static JsonResult JsonValidation(
this Controller controller,
string contentType = null,
Encoding contentEncoding = null,
JsonRequestBehavior jsonRequestBehavior = JsonRequestBehavior.DenyGet)
{
var result = new StandardJsonResult
{
ContentType = contentType,
ContentEncoding = contentEncoding,
JsonRequestBehavior = jsonRequestBehavior,
};
var validationMessages = controller.ModelState.Values.SelectMany(v => v.Errors.Select(e => e.ErrorMessage));
foreach (var validationMessage in validationMessages)
{
result.AddError(validationMessage);
}
return(result);
}