ติดปัญหาเรื่อง DateTime ไม่ลง database ช่วยแนะนำทีครับ(มีรูป+คลิป)

lblDateTime.text  = Date.Now.ToSting("dd/MM/yyyy hh:mm:ss")

.Parameters.Add(New SqlParameter("@c_datetime", Date.Now.ToSting("dd/MM/yyyy hh:mm:ss")))

lbldatetime.Text = Now.ToString(New CultureInfo("en-GB"))

lbldatetime.Text = Date.Now.ToString("dd/MM/yyyy hh:mm:ss")

lbldatetime.Text = Now.ToString(New CultureInfo("en-GB"))

With cmd
.Parameters.AddWithValue("@c_orderid", DataGridView4.Rows(i).Cells(0).Value))
.Parameters.AddWithValue("@c_namefood", DataGridView4.Rows(i).Cells(1).Value))
.Parameters.AddWithValue("@c_foodprice", DataGridView4.Rows(i).Cells(2).Value))
.Parameters.AddWithValue("@c_cusname", DataGridView4.Rows(i).Cells(3).Value))
.Parameters.AddWithValue("@c_datetime", Now.ToString(New CultureInfo("en-GB"))
End With

 Conn.Open()
            cmd.Connection = Conn
            SqlString = "insert into Checkbill_1(c_orderid,c_namefood,c_foodprice,c_cusname,c_datetime) values(@c_orderid,@c_namefood,@c_foodprice,@c_cusname, CONVERT(datetime,@c_datetime, 103))"
            cmd = New System.Data.SqlClient.SqlCommand(SqlString, Conn)
            For i As Integer = 0 To DataGridView4.RowCount - 1
                If Not DataGridView4.Rows(i).IsNewRow Then
                    With cmd
                        .Parameters.Add(New SqlParameter("@c_orderid", DataGridView4.Rows(i).Cells(0).Value))
                        .Parameters.Add(New SqlParameter("@c_namefood", DataGridView4.Rows(i).Cells(1).Value))
                        .Parameters.Add(New SqlParameter("@c_foodprice", DataGridView4.Rows(i).Cells(2).Value))
                        .Parameters.Add(New SqlParameter("@c_cusname", DataGridView4.Rows(i).Cells(3).Value))
                        .Parameters.Add(New SqlParameter("@c_datetime", lbldatetime.Text))

                    End With
                    cmd.ExecuteNonQuery()
                    cmd.Parameters.Clear()
                End If
            Next
            MessageBox.Show("เรียบร้อยเดี๋ยวพนักงานจะมาเก็บเงิน")
            Conn.Close()