/// <summary>
/// Delete a user by username
/// </summary>
/// <param name="username"></param>
/// <returns>records deleted</returns>
public int DeleteUser(string username)
{
int retval = -1;
DataTools dt = new DataTools();
dt.Provider = provider;
dt.ConnectionString = connectionString;
dt.OpenConnection();
retval = dt.Delete(UsersTableName, string.Format("{0}='{1}'", UsernameCol, username));
return(retval);
}
