Recherche dans un DataGrid

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Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
 
        Dim vsValeur As String = monTextBox.Text
 
        'Penses a donner un ID a chacune de tes colonnes dans ton tableau
 
        ' ID -->  Col_ID
 
        'On deselectionne toutes les lignes
 
        For Each voRow As DataGridViewRow In DataGridView1.SelectedRows
 
            voRow.Selected = False
 
        Next
 
 
        For i As Integer = 0 To DataGridView1.RowCount - 1
 
            If DataGridView1.Rows(i).Cells(Col_ID.Index).Value = vsValeur Then
                DataGridView1.Rows(i).Selected = True
            End If
 
        Next
 
 
 
    End Sub