public IActionResult NewUsers([FromBody] List <User> userList)
{
#region InsertingOnSqlServer
_timeMeasurement.StartWatch();
_userOperation.InsertUsers(userList, DbType.SqlServer);
_timeMeasurement.StopWatch();
TimeSpan spentTimeOnSqlServer = _timeMeasurement.PrintTimeSpent();
#endregion
_timeMeasurement.ResetWatch();
#region InsertingOnMongoDB
_timeMeasurement.StartWatch();
_userOperation.InsertUsers(userList, DbType.MongoDB);
_timeMeasurement.StopWatch();
TimeSpan spentTimeOnMongoDB = _timeMeasurement.PrintTimeSpent();
#endregion
return(Json(new { elapsed_Time_On_SQL_Server = spentTimeOnSqlServer.ToString(), elapsed_Time_On_MongoDB = spentTimeOnMongoDB.ToString() }));
}