using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

public partial class _Default : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {

    }

    protected void gwTooted_RowCommand(object sender, GridViewCommandEventArgs e)
    {
        if (e.CommandName.ToLower() == "osta") {
            DataTable ostukorv;

            if (Session["ostukorv"] == null)
            {
                ostukorv = new DataTable();
                ostukorv.Columns.Add("ToodeID", typeof(int));
                ostukorv.PrimaryKey = new DataColumn[] {ostukorv.Columns["ToodeID"]};
                ostukorv.Columns.Add("Kogus", typeof(double));
                ostukorv.Columns["Kogus"].DefaultValue = 1;
            }
            else {
                ostukorv = Session["ostukorv"] as DataTable;
            }

            int ToodeID = Convert.ToInt32(e.CommandArgument);
            DataRow rida = ostukorv.Rows.Find(ToodeID);
            if ( rida == null)
            {

                rida = ostukorv.NewRow();
                rida["ToodeID"] = Convert.ToInt32(e.CommandArgument);

                ostukorv.Rows.Add(rida);
            }
            else {
                rida["kogus"] = Convert.ToInt32(rida["kogus"]) + 1;
            }
            
            Session["ostukorv"] = ostukorv;

            Response.Redirect("~/klient/ostukorv.aspx");
        }
    }
}