how to convert datagridview column into combobox column dynamically!!

Question

I want it to be changes as soon as I change the value in some other cell!

Answer 1

With extractDataGrid
            Dim ColumnCB As New DataGridViewComboBoxColumn

            With ColumnCB
                .HeaderText = "SPECIFICATION"
                .Width = 80
                .Items.Add("Foo")
                .Items.Add("Car")
            End With

            .Columns.Remove(extractDataGrid.Columns(6))
            .Columns.Insert(6, ColumnCB)

        End With