/***************************************************
?*?This?code?is?Copyright?2008?Michael?J.?Ellison.??All?rights?reserved.
?*?Usage?and?distribution?of?this?code?is?governed?by?the
?*?CodeProject?Open?License.??A?copy?of?the?license?may?be?found
?*?at:
?*?http://www.codeproject.com/info/cpol10.aspx
?*?**************************************************/
using?System;
using?System.Collections;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Text;
using?System.Web;
using?System.Web.UI;
using?System.Web.UI.WebControls;

namespace?UNLV.IAP.WebControls
{
????///?

????///?When?bound?to?a?datasource?computes?an?aggregation?function?
????///?across?all?the?items?of?the?datasource
????///?

????///?
????///?
????///?The?Aggregation?control?displays?its?computed?value?like?a??control
????///?assuming?the?DataSource?has?been?bound?and?DataBind（）?called?（or?DataSourceID?is?assigned
????///?to?a?datasource?control）.
????///?
????///?
????///?Set?the??property?to?one?of?the
????///??values?to?specify?the?aggregation?operation
????///?to?perform?across?the?datasource.??If?the?datasource?represents?a?list?or?collection
????///?of?objects?or?the?datasource?implements??then
????///?specify?the?field?to?aggregate?in?the??property.
????///?Otherwise?if?the?datasource?is?a?list?or?array?of?primitive-type?values?or?
????///?if?the?Count?function?is?employed
????///?the??property?may?be?left?blank.
????///?
????///?
????///?For?numeric?functions?such?as?Sum?and
????///?Avg?field?items?that?are?not?numeric
????///?are?ignored.
????///?
????///?
????[ToolboxData（“<{0}:Aggregation?runat=server>“）]
????[Designer（typeof（AggregationDesigner））]
????public?class?Aggregation?:?CompositeDataBoundControl
????{
????????private?const?string?kViewState_FunctionValue?=?“__!FunctionValue“;

????????private?AggregationFunction?_function?=?AggregationFunction.Count;
????????private?string?_dataField?=?““;
????????private?string?_formatString?=?““;
????????private?object?_value?=?null;

????????#region?Properties

????????///?

????????///?Gets?or?sets?the?aggregation?function?to?computed?across?the?assigned
????????///?DataSource.
????????///?

????????public?AggregationFunction?Function?
????????{
????????????get?{?return?_function;?}
????????????set?{?_function?=?value;?}
????????}


????????///?

????????///?Gets?or?sets?the?field?within?the?DataSource?to?aggregate.
????????///?

????????///?
????????///?I

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????文件????????1428??2008-06-27?11:42??GroupingView\GroupingView.sln
?????文件??????115712??2008-07-11?17:07??GroupingView\GroupingView.suo
?????目錄???????????0??2008-07-11?17:08??GroupingView\GroupingView\
?????文件???????29238??2008-07-11?17:05??GroupingView\GroupingView\Aggregation.cs
?????文件????????4350??2008-07-11?17:05??GroupingView\GroupingView\AggregationDesigner.cs
?????文件????????3265??2008-07-11?17:05??GroupingView\GroupingView\AggregationDesignerActionList.cs
?????文件????????2634??2008-07-11?17:05??GroupingView\GroupingView\AggregationFunction.cs
?????目錄???????????0??2008-07-11?17:08??GroupingView\GroupingView\bin\
?????目錄???????????0??2008-07-11?17:08??GroupingView\GroupingView\bin\Debug\
?????目錄???????????0??2008-07-11?17:10??GroupingView\GroupingView\doc\
?????文件???????96154??2008-07-11?17:05??GroupingView\GroupingView\GroupingView.cs
?????文件????????3168??2008-07-10?16:59??GroupingView\GroupingView\GroupingView.csproj
?????文件????????1530??2008-07-11?17:05??GroupingView\GroupingView\GroupingViewCommandEventArgs.cs
?????文件????????1542??2008-07-11?17:05??GroupingView\GroupingView\GroupingViewDelegates.cs
?????文件????????7497??2008-07-11?17:05??GroupingView\GroupingView\GroupingViewDesigner.cs
?????文件????????2771??2008-07-11?17:05??GroupingView\GroupingView\GroupingViewDesignerActionList.cs
?????文件????????3019??2008-07-11?17:05??GroupingView\GroupingView\GroupingViewEventArgs.cs
?????文件????????3057??2008-07-11?17:05??GroupingView\GroupingView\GroupingViewGroupItem.cs
?????文件?????????706??2008-07-11?17:05??GroupingView\GroupingView\GroupingViewGroupItemCollection.cs
?????文件????????3417??2008-07-11?17:06??GroupingView\GroupingView\GroupingViewItem.cs
?????文件?????????688??2008-07-11?17:06??GroupingView\GroupingView\GroupingViewItemCollection.cs
?????文件?????????928??2008-07-11?17:06??GroupingView\GroupingView\GroupingViewSeparatorItem.cs
?????文件?????????611??2008-07-11?17:06??GroupingView\GroupingView\GroupingViewTemplateEnum.cs
?????目錄???????????0??2008-07-11?17:08??GroupingView\GroupingView\Properties\
?????文件????????1559??2008-07-11?16:15??GroupingView\GroupingView\Properties\AssemblyInfo.cs
?????目錄???????????0??2008-07-11?17:08??GroupingView\TestGroupingView\
?????文件????????2465??2008-07-03?13:16??GroupingView\TestGroupingView\Aggregations1.aspx
?????文件????????1809??2008-06-30?13:30??GroupingView\TestGroupingView\Aggregations1.aspx.cs
?????文件????????1143??2008-07-03?12:54??GroupingView\TestGroupingView\Aggregations1.aspx.designer.cs
?????目錄???????????0??2008-07-11?17:08??GroupingView\TestGroupingView\App_Data\
?????文件?????2097152??2008-07-11?17:07??GroupingView\TestGroupingView\App_Data\Cities.mdf
............此處省略40個(gè)文件信息