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

Answer 2

You should set property AutoGenerateColumns to false and then create each column with respective template

Answer 3

You need to design column in datagridview in designer ,Change the type to required column to DataGridViewcombox

And then add value of this column from desired DataTable column