代码修改后的版本，全部提交

Mtxfw.Utility/MemberBase2.cs

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+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Web;
+using System.Web.SessionState;
+using System.Data;
+using System.Data.SqlClient;
+namespace Mtxfw.Utility
+{
+    public class MemberBase2 : System.Web.UI.Page
+    {
+        public int Card = 0, IFStores = 0, Memberttype = 0, GoToMemberId = 0, MemberuLevel = 0, MemberuLevel2 = 0, MemberuLevel14 = 0;
+        public string MemberName = "", MemberJS = "", GoToMemberName = "";
+        private Mtxfw.Utility.Config config = new Mtxfw.Utility.Config("");
+
+        protected override void OnLoad(EventArgs e)
+        {
+            base.OnLoad(e);
+
+            if (Session["MemberId"] != null && Session["MemberName"] != null)
+            {
+                Card = int.Parse(Session["MemberId"].ToString());
+                if (Session["MemberName"] != null)
+                {
+                    MemberName = Session["MemberName"].ToString();
+                }
+                if (Session["MemberIFStores"] != null)
+                {
+                    IFStores = int.Parse(Session["MemberIFStores"].ToString());
+                }
+
+                if (Session["Memberttype"] != null)
+                {
+                    Memberttype = int.Parse(Session["Memberttype"].ToString());
+                }
+                if (Session["MemberuLevel"] != null)
+                {
+                    MemberuLevel = int.Parse(Session["MemberuLevel"].ToString());
+                }
+                if (Session["MemberuLevel2"] != null)
+                {
+                    MemberuLevel2 = int.Parse(Session["MemberuLevel2"].ToString());
+                }
+                if (Session["MemberuLevel14"] != null)
+                {
+                    MemberuLevel14 = int.Parse(Session["MemberuLevel14"].ToString());
+                }
+
+                string CloseEnable = new Mtxfw.Utility.Config("").CloseEnable;
+                if (CloseEnable == "1")
+                {
+                    Session.RemoveAll();
+                    Response.Write("<script type='text/javascript'>top.window.location =\"/Login.aspx\";</script>");
+                }
+
+                if (Session["GoToMemberId"] != null)
+                {
+                    GoToMemberId = int.Parse(Session["GoToMemberId"].ToString());
+                }
+                if (Session["GoToMemberName"] != null)
+                {
+                    GoToMemberName = Session["GoToMemberName"].ToString();
+                }
+            }
+            else
+            {
+                string RUrl = Request.Url.ToString();
+                Session["returnurl"] = RUrl;
+                Response.Write("<script type='text/javascript'>top.window.location =\"/Login.aspx\";</script>");
+
+            }
+        }
+        // <summary>
+        /// 判断用户名是否已退出
+        /// </summary>
+        /// <returns></returns>
+        public bool IsExistsIsOut(string SessionId, int MemberId, DateTime DLTime)
+        {
+            string sqlStr = "select top 1 id from User_OnLine where SessionId=@SessionId and CONVERT(varchar(100),InTime,120)=CONVERT(varchar(100),@DLTime,120) And MemberId=@MemberId And IsOnline=0 and UserType=0";
+
+            SqlParameter[] para = { new SqlParameter("@SessionId", SqlDbType.VarChar, 50),
+                                    new SqlParameter("@MemberId", SqlDbType.Int),
+                                    new SqlParameter("@DLTime", SqlDbType.DateTime)};
+            para[0].Value = SessionId;
+            para[1].Value = MemberId;
+            para[2].Value = DLTime;
+            bool Isbool = false;
+            SqlDataReader Dr = SqlDbHelper_U.GetDataReader(sqlStr.ToString(), para);
+            if (Dr.Read()) Isbool = true;
+            Dr.Close();
+            return Isbool;
+        }
+        protected String GetWebName
+        {
+            get
+            {
+                return config.webName;
+            }
+        }
+    }
+}