</ iframe > </noscript> <!-- End Google Tag Manager (noscript) --> <div id="BeforeHeaderContent"> </div> <div id="HeaderContent"> <div id="ProjectTitle">Data Source for Entity Framework</div> <div id="PageTitle"><div id="PageTitleText">GroupBy Method (IndexedQueryExtensions)</div></div> </div> <div id="AfterHeaderContent"> <!-- Spacing --> <span id="ToggleAllSectionsLink" class="FunctionLink"> <label id="CollapseAllLabel">Collapse All</label> <label id="ExpandAllLabel" style="display: none;">Expand All</label> </span><!-- Spacing --> <span id="LanguageFilterPopupLink" class="PopupLink" data-popupcontentsource="#LanguageCheckboxes" data-popuptitle='Language Filter'> <label id="ShowAllLabel" for="LanguageFilterPopupLink"> Language Filter: All </label> <label id="MultipleLabel" for="LanguageFilterPopupLink" style="display: none;"> Language Filter: Multiple </label> <label id="VBAllLabel" for="LanguageFilterPopupLink" style="display: none;"> Language Filter: Visual Basic </label> <label id="VBLabel" for="LanguageFilterPopupLink" style="display: none;">Language Filter: Visual Basic (Declaration)</label> <label id="CSLabel" for="LanguageFilterPopupLink" style="display: none;">Language Filter: C#</label> </span> <div class="PopupContent" id="LanguageCheckboxes"> <input data-languagename="VB" id="VBLanguageCheckbox" type="checkbox" class="ToggleLanguageCheckbox" checked="true" data-toggleclass="FilteredContentVB"> <label class="LanguageFilter" for="VBCheckbox"> Visual Basic (Declaration) </label> <br><input data-languagename="CS" id="CSLanguageCheckbox" type="checkbox" class="ToggleLanguageCheckbox" checked="true" data-toggleclass="FilteredContentCS"> <label class="LanguageFilter" for="CSCheckbox"> C# </label> </div> </div> <div class="BreadcrumbsContainer"><table><tr><td> <a href="C1.LiveLinq.4~C1.LiveLinq_namespace.html">C1.LiveLinq Namespace</a> > <a href="C1.LiveLinq.4~C1.LiveLinq.IndexedQueryExtensions.html">IndexedQueryExtensions Class</a> : GroupBy Method</td></tr></table></div> <div id="BodyContent"> <div class="DescriptionContent">Groups the elements of a collection according to a specified key selector function and creates a result value from each group and its key. The elements of each group are projected by using a specified function.</div> <div class="SectionHeading" id="overloadlistSectionHeading"><span class="SectionHeadingIcon"><!-- --></span><span class="SectionHeadingText">Overload List</span></div><div id="overloadlistSectionContent" class="SectionContent"><table class="FilteredItemListTable"><tr><th>Overload</th><th>Description</th></tr> <tr><td class="LinkCell"><a href="C1.LiveLinq.4~C1.LiveLinq.IndexedQueryExtensions~GroupBy``4(IIndexedSource{``0},Expression{Func{``0,``1}},Expression{Func{``0,``2}},Expression{Func{``1,IEnumerable{``2},``3}}).html">GroupBy<TSource,TKey,TElement,TResult>(IIndexedSource<TSource>,Expression<Func<TSource,TKey>>,Expression<Func<TSource,TElement>>,Expression<Func<TKey,IEnumerable<TElement>,TResult>>)</a></td><td class="DescriptionCell">Groups the elements of a collection according to a specified key selector function and creates a result value from each group and its key. The elements of each group are projected by using a specified function. </td></tr> <tr><td class="LinkCell"><a href="C1.LiveLinq.4~C1.LiveLinq.IndexedQueryExtensions~GroupBy``3(IIndexedSource{``0},Expression{Func{``0,``1}},Expression{Func{``0,``2}}).html">GroupBy<TSource,TKey,TElement>(IIndexedSource<TSource>,Expression<Func<TSource,TKey>>,Expression<Func<TSource,TElement>>)</a></td><td class="DescriptionCell">Groups the elements of a collection according to a specified key selector function and projects the elements for each group by using a specified function. </td></tr> <tr><td class="LinkCell"><a href="C1.LiveLinq.4~C1.LiveLinq.IndexedQueryExtensions~GroupBy``3(IIndexedSource{``0},Expression{Func{``0,``1}},Expression{Func{``1,IEnumerable{``0},``2}}).html">GroupBy<TSource,TKey,TResult>(IIndexedSource<TSource>,Expression<Func<TSource,TKey>>,Expression<Func<TKey,IEnumerable<TSource>,TResult>>)</a></td><td class="DescriptionCell">Groups the elements of a collection according to a specified key selector function and creates a result value from each group and its key. </td></tr> <tr><td class="LinkCell"><a href="C1.LiveLinq.4~C1.LiveLinq.IndexedQueryExtensions~GroupBy``2(IIndexedSource{``0},Expression{Func{``0,``1}}).html">GroupBy<TSource,TKey>(IIndexedSource<TSource>,Expression<Func<TSource,TKey>>)</a></td><td class="DescriptionCell">Groups the elements of a collection according to a specified key selector function. </td></tr> </table></div> <a name="exampleBookmark"></a> <div class="SectionHeading" id="requirementsSectionHeading"><span class="SectionHeadingIcon"><!-- --></span><span class="SectionHeadingText">Requirements</span></div><div id="requirementsSectionContent" class="SectionContent"><p><b>Target Platforms:</b> Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2</p></div> <a name="seealsobookmark"></a> <div class="SectionHeading" id="seealsoSectionHeading"><span class="SectionHeadingIcon"><!-- --></span><span class="SectionHeadingText">See Also</span></div><div id="seealsoSectionContent" class="SectionContent"><h4 class="subHeading">Reference</h4><p><a href="C1.LiveLinq.4~C1.LiveLinq.IndexedQueryExtensions.html">IndexedQueryExtensions Class</a> <br><a href="C1.LiveLinq.4~C1.LiveLinq.IndexedQueryExtensions_members.html">IndexedQueryExtensions Members</a> </p> </div> </div> <div id="FooterContent"> <p> </p><p> </p><hr style="height: 1px"><p>Copyright (c) <script type="text/javascript"> var theDate=new Date() document.write(theDate.getFullYear()) </script> GrapeCity, inc. 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