one problem is killing me.
what is the problem with this code:

```
        string id = Request["ids"];
        SqlConnection con = new SqlConnection(helper.conn);
        SqlCommand com1 = new SqlCommand("select id  from Person where Id        in      (" + id + ")", con);
        DataSet ds1 = new DataSet();
        SqlDataAdapter da1 = new SqlDataAdapter(com1);
        da1.Fill(ds1);
        con.Open();
        com1.ExecuteNonQuery();
        //gdvusers.DataSource = ds1;
        //gdvusers.DataBind();
        con.Close();

        rpt_print.DataSource = ds1;
        rpt_print.DataBind();

```

visual studio 2013 says incorrect syntax near','