C# - Problemă DataGridView

Daca ai un Datatable ca sursa de date la grid poti folosi ce a zis @adrian.stanculescu mai sus

Ce baza de date folosesti ?

LE:

var results = from row1 in dt.AsEnumerable()
                          where row1.Field<int>("id") == 1
                          select row1;

dataGridView1.DataSource = results.CopyToDataTable(); 

Am testat-o acum. Functioneaza

Am rezolvat. Am folosit asta: