public JarmuLista()
{
InitializeComponent();
var colbox = new DataGridViewComboBoxColumn();
using (var db = new JKContext())
{
colbox.HeaderText = "Kategória";
colbox.DataSource = db.jarmukategoria.ToList();
colbox.ValueMember = "Id";
colbox.DisplayMember = "kategoriaNev";
}
dataGridView1.Columns.RemoveAt(1);
dataGridView1.Columns.Insert(1, colbox);
}
