Int32 DisplayOrdersbyCustomerID(int CustomerIDFilter)
{
//this function works to filter the orders by customer id, it accepts one parameter
//new instance of the clsOrderCollection
clsOrderCollection AllOrders = new clsOrderCollection();
//var to store the count of the record
Int32 Count;
//var to store CustomerID
int CustomerID;
//var to store the index
Int32 Index = 0;
//call the filter by post code method
AllOrders.ReportByCustomerID(CustomerIDFilter);
//get the count of records found
Count = AllOrders.Count;
//loop through each record found using the index to point to each record in data table
while (Index < Count)
{
CustomerID = Convert.ToInt32(AllOrders.OrderList[Index].CustomerID);
//set up a new object of class list item
lstOrders.DataSource = AllOrders.OrderList;
//set the text to be displayed
lstOrders.DisplayMember = "CustomerID";
//increment the index
Index++;
}
//return the number of records found
return(Count);
}
