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using System;
using System.Collections;
namespace ASPNET.StarterKit.Reports.Components
{
//*********************************************************************
//
// TabularReportCollection Class
//
// The TabularReportCollection is a Custom TabularReport collection used
// to represent a list of tabular report data item.
//
//
//*********************************************************************
public class TabularReportCollection : ArrayList
{
public enum TabularReportFields
{
InitValue,
ProductName,
UnitsInStock,
UnitPrice
}
public void Sort(TabularReportFields sortField, bool isAscending)
{
switch (sortField)
{
case TabularReportFields.ProductName:
base.Sort(new ProductNameComparer());
break;
case TabularReportFields.UnitsInStock:
base.Sort(new UnitsInStockComparer());
break;
case TabularReportFields.UnitPrice:
base.Sort(new UnitPriceComparer());
break;
}
if (!isAscending) base.Reverse();
}
private sealed class ProductNameComparer : IComparer
{
public int Compare(object x, object y)
{
TabularReport first = (TabularReport) x;
TabularReport second = (TabularReport) y;
return first.ProductName.CompareTo(second.ProductName);
}
}
private sealed class UnitsInStockComparer : IComparer
{
public int Compare(object x, object y)
{
TabularReport first = (TabularReport) x;
TabularReport second = (TabularReport) y;
return first.UnitsInStock.CompareTo(second.UnitsInStock);
}
}
private sealed class UnitPriceComparer : IComparer
{
public int Compare(object x, object y)
{
TabularReport first = (TabularReport) x;
TabularReport second = (TabularReport) y;
return first.UnitPrice.CompareTo(second.UnitPrice);
}
}
}
}
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