[مساعدة]

السلام عليكم

تفضل الكود

كود :

Private Sub DataGridView1_CellEndEdit(sender As Object, e As System.Windows.Forms.DataGridViewCellEventArgs) Handles DataGridView1.CellEndEdit
    Dim v1 As Double = CDbl(DataGridView1.CurrentRow.Cells(1).Value)
    Dim v2 As Double = CDbl(DataGridView1.CurrentRow.Cells(2).Value)
    DataGridView1.CurrentRow.Cells(3).Value = v2 - v1
End Sub