下面的代码没有在视图中显示我的错误,如何确保我的错误显示在视图中?
//注意,如果某处出现问题,我会抛出规则异常,如果是这样,我会将错误复制到模型状态
[HttpPost]
public RedirectToRouteResult TaskDueDate(int id, int taskid)
{
var duedate = Request.Form["duedate"];
var duetime = Request.Form["duetime"];
try
{
var newduedate = DateHelper.GoodDate(duedate, duetime);
_service.SetTaskDueDate(id, taskid, newduedate);
this.FlashInfo("success, task due date has been updated...");
}
catch (RulesException ex)
{
ex.CopyTo(ModelState);
}
return RedirectToAction("TaskDetail");
}
ex.CopyTo 扩展方法:
public static void CopyTo(this RulesException ex, ModelStateDictionary modelstate)
{
CopyTo(ex,modelstate,null);
}
public static void CopyTo(this RulesException ex, ModelStateDictionary modelstate, string prefix)
{
prefix = string.IsNullOrEmpty(prefix) ? "" : prefix + ".";
foreach (var propertyerror in ex.Errors)
{
string key = ExpressionHelper.GetExpressionText(propertyerror.Property);
modelstate.AddModelError(prefix + key, propertyerror.Message);
}
}
在我看来,我基本上有:
<div id="Errors">
<span id="ServerResponse"></span>
<%= Html.ValidationSummary(false, "")%>
</div>
我认为模型状态被清除并且重定向上没有错误???