public string DoWork(string param) string user = Session["user"].ToString();当我使用AJAX从客户端调用此方法时,SessionId保持不变(对于aspx页面和web服务),但是当我从服务器端代码(按一下按钮单击事件)调用此方法时,SessionId将被更改:string user=Sessi
{"status":{"errorType":"FAILURE","errorMsg":"Operation failed: SessionId is missing in the request header","errorReason":"SessionId is missing in the request header","errorReasonCode":"sessioni