Display Selected Value of ComBoxBox in TextBox in Windows Forms (Winforms) Application

Refer this

C#

private void Form2_Load(object sender, EventArgs e)
{
    PopulateCombobox();
}

private void PopulateCombobox()
{
    DataTable dt = new DataTable();
    dt.Columns.Add("Id", typeof(int));
    dt.Columns.Add("Country", typeof(string));
    dt.Rows.Add(1, "USA");
    dt.Rows.Add(2, "England");
    dt.Rows.Add(3, "India");
    this.cbNames.ValueMember = "Country";
    this.cbNames.DisplayMember = "Id";
    this.cbNames.DataSource = dt;
}        

private void cbNames_SelectedIndexChanged(object sender, EventArgs e)
{
    this.textBox1.Text = this.cbNames.SelectedValue.ToString();
}

VB

Private Sub Form2_Load(sender As Object, e As EventArgs)
	PopulateCombobox()
End Sub

Private Sub PopulateCombobox()
	Dim dt As New DataTable()
	dt.Columns.Add("Id", GetType(Integer))
	dt.Columns.Add("Country", GetType(String))
	dt.Rows.Add(1, "USA")
	dt.Rows.Add(2, "England")
	dt.Rows.Add(3, "India")
	Me.cbNames.ValueMember = "Country"
	Me.cbNames.DisplayMember = "Id"
	Me.cbNames.DataSource = dt
End Sub

Private Sub cbNames_SelectedIndexChanged(sender As Object, e As EventArgs)
	Me.textBox1.Text = Me.cbNames.SelectedValue.ToString()
End Sub