protected void Button_Click(object sender, EventArgs e)
{
RepeaterItem item = (sender as Button).NamingContainer as RepeaterItem;
string itemName = (item.FindControl("ItemName") as HiddenField).Value;
decimal itemPrice = Convert.ToDecimal((item.FindControl("ItemPrice") as HiddenField).Value);
int itemQuantity = Convert.ToInt32((item.FindControl("TextBox") as TextBox).Text);
OrderTable.addNewData(itemName, itemQuantity, itemPrice);
}
