protected void ImageButton1_Click(object sender, ImageClickEventArgs e) { Userinfo userl = new Userinfo(); switch (userl.UserLogin(this.username.Value.Trim(), DESEncrypt.Encrypt(this.password.Value))) { case "true": base.ClientScript.RegisterStartupScript(base.ClientScript.GetType(), "myscript", "<script>var manager = $.ligerDialog.waitting('登录成功,正在跳转...');setTimeout(function (){ ll(); }, 1000);;</script>"); break; case "pwd": base.ClientScript.RegisterStartupScript(base.ClientScript.GetType(), "myscript", "<script> f_alert2('warn', '输入密码错误!');</script>"); break; case "user": base.ClientScript.RegisterStartupScript(base.ClientScript.GetType(), "myscript", "<script>f_alert2('warn', '用户名不存在!');</script>"); break; } }