displaying two data tables in GRID VIEW

DataSource drugInfo= new DataSource();
 DataTable productTable = new DataTable("Product_Name");
            DataColumn productCol = new DataColumn("Product");
            productTable.Columns.Add(productCol);
            DataRow productRow = productTable.NewRow();
            productRow[productCol] = product.PrimaryPreferredName;
            productTable.Rows.Add(productRow);
            drugInfo.Tables.Add(productTable);
            //End of product info           
            
            //INGREDIENTS INFO
            DataTable ingrdnts = new DataTable("Ingredients");
            DataColumn drugIngrdnts = new DataColumn("INGREDIENTS");
            ingrdnts.Columns.Add(drugIngrdnts);
            Ingredient[] drugIngrdnt = product.GetIngredients();
            foreach (Ingredient ingrdnt in drugIngrdnt)
            {
                DataRow ingName = ingrdnts.NewRow();
                ingName[i] = ingrdnt.Text;
                ingrdnts.Rows.Add(ingName);
                i++;
            }
            drugInfo.Tables.Add(ingrdnts);

GridView2.DataSource= drugInfo.Tables[0].DefaultView;