//Cancel Edit for DiscountGridView
protected void DiscountGridView_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
{
DiscountGridView.EditIndex = -1;
DiscountGridView.DataSource = BusinessLogic.CDiscount();
DiscountGridView.DataBind();
Label8.Text = "";
}
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
PromoGridView.DataSource = BusinessLogic.Promos();
PromoGridView.DataBind();
DiscountGridView.DataSource = BusinessLogic.CDiscount();
DiscountGridView.DataBind();
CategoryDDL.DataSource = BusinessLogic.Cats();
CategoryDDL.DataTextField = "Name";
CategoryDDL.DataValueField = "CategoryID";
CategoryDDL.DataBind();
}
}
//Update Discounts with exception handling
protected void DiscountGridView_RowUpdating(object sender, GridViewUpdateEventArgs e)
{
try
{
GridViewRow row = DiscountGridView.Rows[e.RowIndex];
string discountId = (row.FindControl("Label1") as Label).Text;
short discountAmt = short.Parse((row.FindControl("TextBox2") as TextBox).Text);
DateTime validStart = (row.FindControl("Calendar3") as Calendar).SelectedDate;
int discountDuration = Convert.ToInt32((row.FindControl("TextBox4") as TextBox).Text);
int catID = Convert.ToInt32((row.FindControl("DDL5") as TextBox).Text);
BusinessLogic.UpdateCategoryDiscount(discountId, discountAmt, validStart, discountDuration, catID);
DiscountGridView.EditIndex = -1;
DiscountGridView.DataSource = BusinessLogic.CDiscount();
DiscountGridView.DataBind();
Label8.Text = "Update success!";
}
catch (Exception)
{
Label8.Text = "Please input a valid discount amount, duration and category.";
}
}
//Unhide DiscountGrid & bind data
protected void DiscountAmend_Click(object sender, EventArgs e)
{
DiscountGridView.DataSource = BusinessLogic.CDiscount();
DiscountGridView.DataBind();
DiscountGridView.Visible = true;
}
//Edit DiscountGridView
protected void DiscountGridView_RowEditing(object sender, GridViewEditEventArgs e)
{
DiscountGridView.EditIndex = e.NewEditIndex;
DiscountGridView.DataSource = BusinessLogic.CDiscount();
DiscountGridView.DataBind();
}