protected void Btn_login_Click1(object sender, EventArgs e) { string username = Tbx_userID.Text; string pwd = Tbx_userpwd.Text; if (string.IsNullOrEmpty(username) || string.IsNullOrEmpty(pwd)) { Mgr.ShowAlert(this, "用户名或密码为空"); return; } if (!Mgr.CheckStr(username) || !Mgr.CheckStr(pwd)) { Mgr.ShowAlert(this, "包含非法字符"); return; } if (Mgr.Login(this, Tbx_userID.Text, Tbx_userpwd.Text)) { Response.Redirect("Navigate.aspx"); } else { //Lbl_message.Text = "用户名或密码错误"; } }