Object reference not set to an instance of an object.
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
public class FMS_Pegasus : System.Web.UI.Page,System.Web.SessionState.IRequiresSessionState,IHttpHandler
if (System.Web.HttpContext.Current.Session["exsitSys"] != null)
{
string s = System.Web.HttpContext.Current.Session["exsitSys"].ToString();
}
怎么没有大神回回我呢
– 小柑 5年前