protected void dgvCart_RowCommand(object sender, GridViewCommandEventArgs e)
{
switch (e.CommandName)
{
case "UpdateQuantity":
{
GridViewRow row = (GridViewRow)(((LinkButton)e.CommandSource).NamingContainer);
int productID = int.Parse(((Label)row.Cells[0].FindControl("lblProductID")).Text);
double productPrice = double.Parse(((Label)row.Cells[0].FindControl("lblProductPrice")).Text);
double userPrice = double.Parse(((Label)row.Cells[0].FindControl("lblUserPrice")).Text);
int quantity;
if (!int.TryParse(((TextBox)row.Cells[0].FindControl("txtQuantity")).Text, out quantity))
{
Response.Write("<SCRIPT LANGUAGE='JavaScript'>alert('wrong')</SCRIPT>");
break;
}
else
{
CartBL cartBL = new CartBL();
cartBL.UpdateCartProduct(Session["cartID"].ToString(), productID, quantity, productPrice, userPrice);
calculateItem(row.RowIndex, userPrice * quantity);
calculateTotal();
}
break;
}
}
}
private void calculateCart()
{
double price;
double discount = (ViewState["discount"] != null) ? double.Parse(ViewState["discount"].ToString()) : 0;
CartBL cartBL = new CartBL();
foreach (GridViewRow row in dgvCart.Rows)
{
//if (double.Parse(((Label)row.FindControl("lblProductPrice")).Text) == double.Parse(((Label)row.FindControl("lblUserPrice")).Text))
//{
price = double.Parse(((Label)row.FindControl("lblProductPrice")).Text);
double discountPrice = price * (1 - ((double)discount) / 100);
double quantity = double.Parse(((TextBox)row.FindControl("txtQuantity")).Text);
int productID = int.Parse(((Label)row.FindControl("lblProductID")).Text);
((Label)row.FindControl("lblUserPrice")).Text = string.Format("{0:N2}", discountPrice);
((Label)row.FindControl("lblSum")).Text = string.Format("{0:N2}", (discountPrice * quantity));
cartBL.UpdateCartProduct(Session["cartID"].ToString(), productID, quantity, price, discountPrice);
//}
}
calculateTotal();
}