[Medo84]

Try

            cmd = New SqlCommand("insert into table0 values ('" & TextBox1.Text & "'," & TextBox2.Text & "','" & TextBox3.Text & "','" & TextBox4.Text & "','" & TextBox5.Text & "','" & TextBox6.Text & "','" & TextBox7.Text & "','" & TextBox8.Text & "','" & TextBox9.Text & " ' ) ", con)
            Me.FillDataGridView("Select * From Table0")
            con.Open()
            cmd.ExecuteNonQuery()
            MsgBox("all data saved", MsgBoxStyle.Information)
            dt.Clear()
            Me.FillDataGridView("Select * From Table0")
            MessageBox.Show("تم حفظ البيانات بنجاح", "تم الحفظ", MessageBoxButtons.OK, MessageBoxIcon.Information)

        Catch ex As Exception
            MsgBox(ex.Message)
            End Try