SPWeb web = SPContext.Current.Web;
SPList list = web.Lists["MyList"];
SPListItem item = list.GetItemById(1);
item["Title"] = TextBox_Name.Text;
item["ProductNumber"] = TextBox_ProdNum.Text;
item["ListPrice"] = TextBox_ListPrice.Text;
item["Color"] = TextBox_Color.Text;
item["More Info"] = TextBox_MoreInfo.Text;
item.SystemUpdate(false);
list.Update();
after writing following code in the list its only replace the first product not if i take more products in the list its only updates the one on place 1... can somebody help me ?