/// <summary>
/// Verify user login
/// </summary>
/// <param name="username">username</param>
/// <param name="password">passsword</param>
/// <returns>is login success</returns>
public bool VerifyUserLogin(string userName, string password)
{
UsersTableAdapter userAdapter = new UsersTableAdapter();
int?userNameCheck = userAdapter.VerifyUserName(userName);
if (!userNameCheck.HasValue || userNameCheck.Value != onlyOneRecord)
{
throw new UserNameNotExistentException();
}
int?result = userAdapter.VerifyLogin(userName, password);
return(result.HasValue && result.Value == onlyOneRecord);
}
