protected void btnCheckPassword_OnClick(object sender, EventArgs e) { if (txtPassword.zIsNullOrEmpty()) { lblErrorPassword.Text = "Please Enter Password."; txtPassword.Attributes.Add("style", "border-color: transparent transparent #ff0b0b"); txtPassword.Focus(); return; } int?CheckUsersId = GetCheckUsersId(); if (!CheckUsersId.HasValue) { if (Request.QueryString.Count > 0 && Request.QueryString["CheckUsersId".Encrypt()] != null) { Session["CheckUsersId"] = Request.QueryString["CheckUsersId".Encrypt()].Decrypt(); } SetControl(true); CheckUsersId = GetCheckUsersId(); if (!CheckUsersId.HasValue) { SetControl(true); return; } } if (!LoginUtilities.IsValidPassword(GetCheckUsersId().Value, txtPassword.Text)) { lblErrorPassword.Text = "Wrong password. Try again."; txtPassword.Attributes.Add("style", "border-color: transparent transparent #ff0b0b"); txtPassword.Focus(); } else { LoginUtilities.Login(GetCheckUsersId().Value, chkRememberme.Checked); } }