[RESOLVED] Add value selected row Datagrid

[Tengkorak]

how to add value to selected row at datagridview control.
hire my code to display and add row at datagrid :

Public Class Form2
    Dim dt As New DataTable("view")
 
    Private Sub Form2_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
        dt.Columns.Add(New DataColumn("Col1"))
        dt.Columns.Add(New DataColumn("Col2"))
        
 
        dg.DataMember = "view"
        dg.DataSource = dt
 
 
    End Sub
 
    'new rows
    Private Sub btnAddRow_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnAddRow.Click
        Dim dr As DataRow
        dr = dt.NewRow
        dr.Item(0) = ""
        dr.Item(1) = ""
        dt.Rows.Add(dr)
 
    End Sub
 
    'add value at selected row
    Private Sub addValue_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles addValue.Click
        ' ???
 
    End Sub
End Class

thank you