protected void btnSave_Click(object sender, EventArgs e) { UserSecurity us = new UserSecurity(); int id = 0; if (Request.QueryString["id"].ToString() != null) { if (Convert.ToInt32(Request.QueryString["id"].ToString()) > 0) { id = Convert.ToInt32(Request.QueryString["id"].ToString()); us.EditUser(id, txtPassword.Text, int.Parse(ddlRole.SelectedValue.ToString())); if (id > 0) { Response.Redirect("~/Settings/Users.aspx?Alert=success"); } } else { if (!us.UserNameExist(txtUserName.Text)) { id = us.addUser(txtUserName.Text, txtPassword.Text, int.Parse(ddlRole.SelectedValue.ToString())); if (id > 0) { Response.Redirect("~/Settings/Users.aspx?Alert=success"); } } else { error.Visible = true; error.Text = "UserName already Exist "; } } } }