protected void addItem_RowCommand(object sender, GridViewCommandEventArgs e)
{
if (e.CommandName == "AddItem")
{
int rowIndex = Convert.ToInt32(e.CommandArgument);
TextBox tb = (TextBox)GridStationery.Rows[rowIndex].FindControl("Quantity");
String qty = tb.Text;
HiddenField itemNumerHdden = (HiddenField)GridStationery.Rows[rowIndex].FindControl("HiddenField1");
String productid = itemNumerHdden.Value;
Stationery_Catalogue product = Stationery_Catalogue_DAO.GetStationeryCatalogueByItemId(productid);
product.Total_Quantity = (Convert.ToInt32(qty));
Stationery_Catalogue existingproduct = null;
foreach (Stationery_Catalogue stationery_catalogue in selectedproductList)
{
if (stationery_catalogue.Item_Number == productid)
{
existingproduct = stationery_catalogue;
break;
}
}
if (existingproduct != null)
{
existingproduct.Total_Quantity = existingproduct.Total_Quantity + product.Total_Quantity;
}
else
{
selectedproductList.Add(product);
}
Session["Cart"] = selectedproductList;
}
}
private void populateStationeryCatalogue()
{
String selectedValue = DropDownCategory.SelectedValue;
List <Stationery_Catalogue> stationeryCatalogueList = Stationery_Catalogue_DAO.GetStationeryItemsByCategory(selectedValue);
GridStationery.DataSource = stationeryCatalogueList;
GridStationery.DataBind();
}
protected void Page_Load(object sender, EventArgs e)
{
List <String> productCategoryList;
if (!IsPostBack)
{
productCategoryList = Stationery_Catalogue_DAO.GetAllCategoryNames();
DropDownCategory.DataSource = productCategoryList;
DropDownCategory.DataBind();
DropDownCategory.Items.Insert(0, new ListItem("Select", "NA"));
}
else
{
selectedproductList = (List <Stationery_Catalogue>)Session["Cart"];
}
}
