public static bool IsExistUser(string loginUserName) { try { wlSQL objWLSql = new wlSQL(); objWLSql.AddParameter("@LoginUserName", DbType.String, ParameterDirection.Input, 0, loginUserName); object o = objWLSql.ExecuteScalar("p_Users_sel_IsExistUser"); bool flag = false; if (o != null) { int count = Convert.ToInt32(o.ToString(), CultureInfo.CurrentCulture); if (count > 0) { flag = true; } } return(flag); } catch (Exception ex) { throw wlLogging.HandleEx(ex); } }