How to set colums to be comboboxes

Question

I have populated a DataGridView from a dataTable. I wan't some columns to appear as comboboxes, dropdowns. How do I do this? My code sofar:

DataTable dt = dataBase.getData();
this.dataGridView1.DataSource = dt;
//set some columns to comboboxes

Answer 1

In the designer you can set that a column is of type:

DataGridViewComboBoxColumn

or you can set it programmatically