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Posez votre questionPublic Class Form1 Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load For i = 0 To 6 DataGridView1.Columns.Add("c" & i, "c" & i) Next End Sub Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click For i = 0 To 6 For j = 0 To 6 If DataGridView1.Rows.Count < i + 2 Then DataGridView1.Rows.Add() End If DataGridView1.Item(j, i).Value = i + j Next Next End Sub End Class