protected void btnLogin_Click(object sender, EventArgs e) { string flag = ""; string UserName = txtUsername.Value.Trim(); string Password = txtPass.Value.Trim(); if (UserName == "请输入您的用户名" && Password == "") { UserName = "******"; Password = "******"; } BLL_Login bll = new BLL_Login("BaseSystem"); Session["UserName"] = UserName; flag = bll.CheckUser_BaseSys(UserName, Password); if (flag == "true") { Session["DoMain"] = "sys"; bll = new BLL_Login("BaseSystem"); Response.Redirect("indexMap.aspx"); } else { Label1.Text = flag; } }