Question : c# select command no return

hello
i use mysqlcommand and try simple select command
and my query is not any return..
so how can i handle this case ?
thanks

example :

select * from table where id = 1

and there isn't any row..
and i want to this

if (select no return)
{
do it
}

thanks and regards

Answer : c# select command no return

SqlDataReader reader = mysqlcommand.ExecuteReader();
if (!reader.HasRows) {
  // do it
}
else