protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
//Obtain Order ID from query string
int orderid = Convert.ToInt32(Request.QueryString["orderid"]);
//Get Order by its orderid
Order order = new Order();
order.GetOrderByID(orderid);
//Populate Delivery Types dropdown list
DeliveryType dt = new DeliveryType();
List<DeliveryType> dtypes = dt.GetAllDeliveryTypes();
DropDownListDeliveryType.DataSource = dtypes;
DropDownListDeliveryType.DataTextField = "Name";
DropDownListDeliveryType.DataValueField = "DeliveryTypeID";
DropDownListDeliveryType.DataBind();
//Populate Users dropdown list
User user = new User();
List<User> users = user.GetAllUsers();
DropDownListUsers.DataSource = users;
DropDownListUsers.DataTextField = "Username";
DropDownListUsers.DataValueField = "UserID";
DropDownListUsers.DataBind();
//Put order details into fields
LabelOrderID.Text = Request.QueryString["orderid"].ToString();
DropDownListUsers.SelectedValue = Convert.ToString(order.UserID);
TextBoxSubtotal.Text = Convert.ToString(order.Subtotal);
TextBoxTaxes.Text = Convert.ToString(order.Taxes);
TextBoxDeliveryCost.Text = Convert.ToString(order.DeliveryCost);
DropDownListDeliveryType.SelectedValue = Convert.ToString(order.DeliveryTypeID);
TextBoxGrandTotal.Text = Convert.ToString(order.GrandTotal);
}
}
protected void ButtonSubmit_Click(object sender, EventArgs e)
{
try
{
//Create a Order object
Order order = new Order();
//Get existing order by its id
order.GetOrderByID(Convert.ToInt32(LabelOrderID.Text));
//Update all fields
order.UserID = Convert.ToInt32(DropDownListUsers.SelectedValue);
order.Subtotal = Convert.ToDouble(TextBoxSubtotal.Text);
order.Taxes = Convert.ToDouble(TextBoxTaxes.Text);
order.DeliveryCost = Convert.ToDouble(TextBoxDeliveryCost.Text);
order.DeliveryTypeID = Convert.ToInt32(DropDownListDeliveryType.SelectedValue);
order.GrandTotal = Convert.ToDouble(TextBoxGrandTotal.Text);
order.Modified = DateTime.Now;
//Update the order
if (order.UpdateOrder())
{
ScriptManager.RegisterStartupScript(this, GetType(), "", "window.top.window.$.fancybox.close();", true);
}
else
{
LabelOutput.ForeColor = System.Drawing.Color.Red;
LabelOutput.Text = "Error: Update Failed";
}
}
catch (Exception ex)
{
LabelOutput.ForeColor = System.Drawing.Color.Red;
LabelOutput.Text = "Error: " + ex.Message;
}
}