“/”应用程序中的服务器错误。

无效的 JSON 基元: object。

说明: 执行当前 Web 请求期间，出现未经处理的异常。请检查堆栈跟踪信息，以了解有关该错误以及代码中导致错误的出处的详细信息。

异常详细信息:
System.ArgumentException: 无效的 JSON 基元: object。

源错误:

行 23:         txt.Text = jsonStr;

行 24:         JavaScriptSerializer json = new JavaScriptSerializer();

行 25:         IList<Sinopec.CMS.Attachment.DataAccess.AM_AttachmentInfo> newAttachmentList = json.Deserialize<IList<Sinopec.CMS.Attachment.DataAccess.AM_AttachmentInfo>>( jsonStr );

行 26:         this.GridView1.DataSource = newAttachmentList;

行 27:         this.GridView1.DataBind();

源文件:
d:\sinopec\stage2-cmis\Sinopec.CMS.Web\Default5.aspx.cs 行: 25

堆栈跟踪:

[ArgumentException: 无效的 JSON 基元: object。]

   System.Web.Script.Serialization.JavaScriptObjectDeserializer.DeserializePrimitiveObject() +597807

   System.Web.Script.Serialization.JavaScriptObjectDeserializer.DeserializeInternal(Int32 depth) +226

   System.Web.Script.Serialization.JavaScriptObjectDeserializer.DeserializeList(Int32 depth) +186

   System.Web.Script.Serialization.JavaScriptObjectDeserializer.DeserializeInternal(Int32 depth) +194

   System.Web.Script.Serialization.JavaScriptObjectDeserializer.BasicDeserialize(String input, Int32 depthLimit, JavaScriptSerializer serializer) +78

   System.Web.Script.Serialization.JavaScriptSerializer.Deserialize(JavaScriptSerializer serializer, String input, Type type, Int32 depthLimit) +44

   System.Web.Script.Serialization.JavaScriptSerializer.Deserialize(String input) +70

   Default5.btnShowAccordingInfo_Click(Object sender, EventArgs e) in d:\sinopec\stage2-cmis\Sinopec.CMS.Web\Default5.aspx.cs:25

   System.Web.UI.WebControls.Button.OnClick(EventArgs e) +9782378

   System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument) +204

   System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +12

   System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +15

   System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +35

   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1639