[حريف برمجة]

كود :

جرب كذا

        Try
            If con.State = ConnectionState.Closed Then
                con.Open()
            End If

            Dim cmd As New OleDbCommand


            cmd.Connection = con
            cmd.CommandType = CommandType.Text
            cmd.CommandText = "insert into saless (cvb,b,c,d,f,h,i) values (@cvb, @B, @c, @d, @f, @h, @i)"
            cmd.Parameters.Add("@cvb", Label15.Text)
            cmd.Parameters.Add("@b", Label16.Text)
            cmd.Parameters.Add("@c", Label17.Text)
            cmd.Parameters.Add("@d", TextBox3.Text)
            cmd.Parameters.Add("@f", Label13.Text)
            cmd.Parameters.Add("@h", Label10.Text)
            cmd.Parameters.Add("@i", Label14.Text)
            cmd.ExecuteScalar()
            con.Close()
        Catch ex As Exception
            MessageBox.Show(ex.Message)
        End Try