public IActionResult PreviousUser([FromRoute] string id)
{
#region DeletingOnSqlServer
_timeMeasurement.StartWatch();
_userOperation.DeleteUser(id, DbType.SqlServer);
_timeMeasurement.StopWatch();
TimeSpan spentTimeOnSqlServer = _timeMeasurement.PrintTimeSpent();
#endregion
_timeMeasurement.ResetWatch();
#region DeletingOnMongoDB
_timeMeasurement.StartWatch();
_userOperation.DeleteUser(id, 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() }));
}