[3booody]

كود :

Private Sub Form1_Load(ByVal sender As Object, ByVal e As EventArgs) Handles MyBase.Load
       DataGridView1.AllowDrop = True
   End Sub
   Private CR As Integer, CC As Integer, CV As Object
   Private Sub DataGridView1_DragOver(ByVal sender As Object, ByVal e As DragEventArgs) Handles DataGridView1.DragOver
       e.Effect = DragDropEffects.Move
   End Sub
   Private Sub DataGridView1_DragDrop(ByVal sender As Object, ByVal e As DragEventArgs) Handles DataGridView1.DragDrop
       Dim ClientPoint As Point = DataGridView1.PointToClient(New Point(e.X, e.Y))
       Dim hit As DataGridView.HitTestInfo = DataGridView1.HitTest(ClientPoint.X, ClientPoint.Y)
       DataGridView1.Item(CC, CR).Value = Nothing
       CR = hit.RowIndex : If CR < 0 Then Exit Sub
       CC = hit.ColumnIndex : If CC < 0 Then Exit Sub
       DataGridView1.Item(CC, CR).Value = CV
   End Sub
   Private Sub DataGridView1_MouseDown(ByVal sender As Object, ByVal e As MouseEventArgs) Handles DataGridView1.MouseDown
       Dim hit As DataGridView.HitTestInfo = DataGridView1.HitTest(e.X, e.Y)
       CR = hit.RowIndex : If CR < 0 Then Exit Sub
       CC = hit.ColumnIndex : If CC < 0 Then Exit Sub
       CV = DataGridView1.Item(CC, CR).Value : If CV Is Nothing Then Exit Sub
       DataGridView1.DoDragDrop(CV, DragDropEffects.Move)
   End Sub