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C# 委托用于对DataSet排序-高级用法
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下一篇 2014-04-21 11:57:48
/ 个人分类：C#
{code}
public static string FindKey(ResultItemData dataSet, Predicate<ResultItem> selectionCriteria, Func<IEnumerable<ResultItemData>, IEnumerable<ResultItemData>> sorter)
{
var resultItems = sorter(dataSet);
return resultItems.First(item => selectionCriteria(item)).TheKey;
}
{code}
调用时就可以传Orderby的内容
var selectedItem = FindKey(OriginalDataSet, item => true, resultItems => resultItems.OrderBy(
item => item.DiaryDate)
.ThenBy(item => item.CashflowNetting)
.ThenBy(item => item.Counterparty)
.ThenBy(item => item.Amount));
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