C# 获得ajax参数,关于c＃：使用jQuery Ajax获取错误将参数传递给WebMethod

"Message":"Cannot convert object of type \u0027System.String\u0027 to

type

\u0027System.Collections.Generic.IDictionary`2[System.String,System.Object]\u0027","StackTrace":"

at

System.Web.Script.Serialization.ObjectConverter.ConvertObjectToTypeInternal(Object

o, Type type, JavaScriptSerializer serializer, Boolean throwOnError,

Object& convertedObject)

at

System.Web.Script.Serialization.ObjectConverter.ConvertObjectToTypeMain(Object

o, Type type, JavaScriptSerializer serializer, Boolean throwOnError,

Object& convertedObject)

at

System.Web.Script.Serialization.JavaScriptSerializer.Deserialize(JavaScriptSerializer

serializer, String input, Type type, Int32 depthLimit)

at

System.Web.Script.Serialization.JavaScriptSerializer.Deserialize[T](String

input)

at

System.Web.Script.Services.RestHandler.GetRawParamsFromPostRequest(HttpContext

context, JavaScriptSerializer serializer)

at

System.Web.Script.Services.RestHandler.GetRawParams(WebServiceMethodData

methodData, HttpContext context)

at

System.Web.Script.Services.RestHandler.ExecuteWebServiceCall(HttpContext

context, WebServiceMethodData

methodData)","ExceptionType":"System.InvalidOperationException"