RedirectFromLoginPage转到指定页面

 

using System.Reflection;

        PropertyInfo Info;
        Info = Request.QueryString.GetType().GetProperty("IsReadOnly", BindingFlags.NonPublic | BindingFlags.Instance);
        if (Info != null) Info.SetValue(this.Request.QueryString, false, null);
        Request.QueryString["ReturnUrl"] = "my.aspx";
        FormsAuthentication.RedirectFromLoginPage(txtUserID.Text, true);