how to store data in table in database using datatable in asp.net

using (SqlConnection con = new SqlConnection(strConnect))
    {
    con.Open();
    using (SqlBulkCopy bulk = new SqlBulkCopy(con))
        {
        bulk.DestinationTableName = "Test";
        DataTable dt = new DataTable();
        dt.Columns.Add("Id");
        dt.Columns.Add("Data");
        dt.Rows.Add("ID 1", "DATA 1");
        dt.Rows.Add("ID 2", "DATA 2");
        dt.Rows.Add("ID 3", "DATA 3");
        dt.Rows.Add("ID 4", "DATA 4");
        bulk.WriteToServer(dt);
        }
    }