相关疑难解决方法(0)

每当我提交表单时我都会收到此错误,因为这样就没有调用action方法:

已添加具有相同键的项目.

和例外细节:

[ArgumentException:已经添加了具有相同键的项.]
System.ThrowHelper.ThrowArgumentException(ExceptionResource resource)+52
System.Collections.Generic.Dictionary`2.Insert(TKey key,TValue value,Boolean add)+9382923 System .Linq.Enumerable.ToDictionary(IEnumerable`1 source,Func`2 keySelector,Func`2 elementSelector,IEqualityComparer`1 comparer)+252
System.Linq.Enumerable.ToDictionary(IEnumerable`1 source,Func`2 keySelector,IEqualityComparer`1比较器)91
System.Web.Mvc.ModelBindingContext.get_PropertyMetadata()228 System.Web.Mvc.DefaultModelBinder.BindProperty(controllerContext controllerContext,ModelBindingContext的BindingContext,的PropertyDescriptor的PropertyDescriptor)392个
System.Web.Mvc.DefaultModelBinder.BindProperties(controllerContext controllerContext ,ModelBindingContext bindingContext)+147
System.Web.Mvc.DefaultModelBinder.BindComplexElementalModel(ControllerContext controllerContext,ModelBindingContext bindingContext,Object model)+98
System.W eb.Mvc.DefaultModelBinder.BindComplexModel(ControllerContext controllerContext,ModelBindingContext bindingContext)+2504
System.Web.Mvc.DefaultModelBinder.BindModel(ControllerContext controllerContext,ModelBindingContext bindingContext)+548
System.Web.Mvc.ControllerActionInvoker.GetParameterValue(ControllerContext controllerContext,ParameterDescriptor parameterDescriptor) +473
System.Web.Mvc.ControllerActionInvoker.GetParameterValues(ControllerContext controllerContext,ActionDescriptor actionDescriptor)+181
System.Web.Mvc.ControllerActionInvoker.InvokeAction(ControllerContext controllerContext,String actionName)+830 System.Web.Mvc.Controller.ExecuteCore()+ 136 System.Web.Mvc.ControllerBase.Execute(RequestContext requestContext)+111
System.Web.Mvc.ControllerBase.System.Web.Mvc.IController.Execute(RequestContext requestContext)+39
System.Web.Mvc.<> c__DisplayClass8.b__4 ()+65 System.Web.Mvc.Async.<> c__DisplayClass1.b__0()+44 System.Web.Mvc.Async.<> c__DisplayClass8`1.b__7(IAsync 结果_)+42 System.Web.Mvc.Async.WrappedAsyncResult`1.End()+ 141 System.Web.Mvc.Async.AsyncResultWrapper.End(IAsyncResult asyncResult,Object tag)+54
System.Web.Mvc.Async. AsyncResultWrapper.End(IAsyncResult asyncResult,Object tag)+40
System.Web.Mvc.MvcHandler.EndProcessRequest(IAsyncResult asyncResult)+52
System.Web.Mvc.MvcHandler.System.Web.IHttpAsyncHandler.EndProcessRequest(IAsyncResult result)+38
System. Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()+8836913 System.Web.HttpApplication.ExecuteStep(IExecutionStep step,Boolean&completedSynchronously)+184

的ViewPage

<%@ …