Private Sub DataGridView1_CellLeave(ByVal sender As System.Object, ByVal e As System.Windows.Forms.DataGridViewCellEventArgs) Handles DataGridView1.CellLeave
TextBox1.Text = DataGridView1.ColumnCount
TextBox2.Text = DataGridView1.RowCount - 1
'Toplam x değerleri;
For b = Val(TextBox2.Text) To 1 Step -1
c = DataGridView1.Rows(e.RowIndex).Cells("sutun").Value
a = a + c
Next
TextBox8.Text = a
End Sub