[moh developer]

السلام عليكم

ممكن حل مشكلة الخطا دائما يظهر لي خطا لم يتم حفظ البيانات

        Dim con As New SqlConnection("Server= \SQLEXPRESS; Database = mail; Integrated Security = true")

        Dim da As New SqlDataAdapter
        Dim dt As New DataTable
        Dim cmd As New SqlCommand
        Dim cmdb As SqlCommandBuilder

        Try

            Dim r As DataRow = dt.NewRow
            r(1) = TextBox1.Text
            r(2) = TextBox2.Text
            r(3) = TextBox3.Text
            r(4) = TextBox4.Text
            r(5) = TextBox5.Text
            r(6) = TextBox6.Text
            r(7) = TextBox7.Text


            dt.Rows.Add®
            cmdb = New SqlCommandBuilder(da)
            da.Update( dt )

            MsgBox(" تم الادخال بنجاح", MsgBoxStyle.Information)

        Catch ex As Exception


            MsgBox(" لم يتم الادخال بنجاح", MsgBoxStyle.Information)


        End Try