Get Selected Value of ComboBox inside DataGridView in Windows Forms (WinForms) using C# and VB.Net

This way

VB

Public Class Form1
    Dim myDataGridViewComboBox As New DataGridViewComboBoxColumn()

    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

        myDataGridViewComboBox.Items.Add("Item 1")

        myDataGridViewComboBox.Items.Add("Item 2")

        myDataGridViewComboBox.Items.Add("Item 3")

        myDataGridViewComboBox.FlatStyle = FlatStyle.Flat

        myDataGridViewComboBox.HeaderText = "Name"

        Me.DataGridView1.Columns.Add(myDataGridViewComboBox)
    End Sub

    Private Sub cboDgvHardware_SelectionChanged(ByVal sender As Object, ByVal e As EventArgs)
        ' string result is the selected text of the combo box
        ' int row is the row index that the selected combo box lives
        Dim result As String = DirectCast(sender, ComboBox).SelectedItem.ToString()
        ' int row = ????
    End Sub

    Private Sub DataGridView1_EditingControlShowing_1(ByVal sender As System.Object, ByVal e As System.Windows.Forms.DataGridViewEditingControlShowingEventArgs) Handles DataGridView1.EditingControlShowing
        AddHandler DirectCast(e.Control, ComboBox).SelectedIndexChanged, AddressOf cboDgvHardware_SelectionChanged
    End Sub
End Class

C#

public partial class Form1 : Form
{
    DataGridViewComboBoxColumn myDataGridViewComboBox = new DataGridViewComboBoxColumn();
    public Form1()
    {

        InitializeComponent();
        myDataGridViewComboBox.Items.Add("Item 1");

        myDataGridViewComboBox.Items.Add("Item 2");

        myDataGridViewComboBox.Items.Add("Item 3");

        myDataGridViewComboBox.FlatStyle = FlatStyle.Flat;

        myDataGridViewComboBox.HeaderText = "Name";

        this.dataGridView1.Columns.Add(myDataGridViewComboBox);

    }

    private void cboDgvHardware_SelectionChanged(object sender, EventArgs e)
    {
        // string result is the selected text of the combo box
        // int row is the row index that the selected combo box lives
        string result = ((ComboBox)sender).SelectedItem.ToString();
        // int row = ????
    }

    private void dataGridView1_EditingControlShowing(object sender, DataGridViewEditingControlShowingEventArgs e)
    {
        if (e.Control is ComboBox)
        {
            ((ComboBox)e.Control).SelectionChangeCommitted -= new EventHandler(cboDgvHardware_SelectionChanged);
            ((ComboBox)e.Control).SelectionChangeCommitted += new EventHandler(cboDgvHardware_SelectionChanged);
        }
    }
}