c# - 使用 JSON JavaScriptSerializer 进行序列化或反序列化时出错。字符串长度超过

Question

""""""""""""""""""Error during serialization or deserialization using the JSON JavaScriptSerializer. The length of the string exceeds the value set on the maxJsonLength property.","StackTrace":" at System.Web.Script.Serialization.JavaScriptSerializer.Serialize(Object obj, StringBuilder output, SerializationFormat serializationFormat)\r\n at System.Web.Script.Serialization.JavaScriptSerializer.Serialize(Object obj, SerializationFormat serializationFormat)\r\n at System.Web.Script.Services.RestHandler.InvokeMethod(HttpContext context, WebServiceMethodData methodData, IDictionary`2 rawParams)\r\n at System.Web.Script.Services.RestHandler.ExecuteWebServiceCall(HttpContext context, WebServiceMethodData methodData)","ExceptionType":"System.InvalidOperationException"""""""""""""""""

我尝试了所有答案，但现在仍然出现此错误，请任何人提供帮助。

Answer 1

来自MSDN article由 fejescoco 链接，您必须在配置中指定最大长度。

<configuration>
  <system.web.extensions>
    <scripting>
      <webServices>
        <jsonSerialization maxJsonLength="9001"/>
      </webServices>
    </scripting>
  </system.web.extensions>
</configuration>