JSONResult to String

You're looking for the JavaScriptSerializer class, which is used internally by JsonResult:

string json = new JavaScriptSerializer().Serialize(jsonResult.Data);

c# json asp.net-mvc-2 serialization

You can also use Json.NET.

return JsonConvert.SerializeObject(jsonResult.Data);

c# json asp.net-mvc-2 serialization

json = " { \"success\" : false, \"errors\": { \"text\" : \"绑定登录失败！\" } }";            return new MemoryStream(Encoding.UTF8.GetBytes(json));

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