</ iframe > </noscript> <!-- End Google Tag Manager (noscript) --> <div id="BeforeHeaderContent"> </div> <div id="HeaderContent"> <div id="ProjectTitle">DataSource for Entity Framework in WPF</div> <div id="PageTitle"><div id="PageTitleText">Find(LambdaExpression) Method</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.Indexing_namespace.html">C1.LiveLinq.Indexing Namespace</a> > <a href="C1.LiveLinq.4~C1.LiveLinq.Indexing.ScannerCollection`1.html">ScannerCollection<T> Class</a> > <a href="C1.LiveLinq.4~C1.LiveLinq.Indexing.ScannerCollection`1~Find.html">Find Method</a> : Find(LambdaExpression) Method</td></tr></table></div> <div id="keySelectorPopupContent" class="PopupContent"> Key selector expression of an index, see <a href="C1.LiveLinq.4~C1.LiveLinq.Indexing.IndexDefinition`1~KeySelector.html">KeySelector</a>. </div> <div id="BodyContent"> <div class="DescriptionContent">Finds an index in the collection by its key selector.</div> <div class="SectionHeading" id="syntaxSectionHeading"><span class="SectionHeadingIcon"><!-- --></span><span class="SectionHeadingText">Syntax</span></div><div id="syntaxSectionContent" class="SectionContent"> <div class="TabContainer" id="TabContainer"> <ul> <li class="FilteredContentVBAll"><a href="#Syntax-VBAll">Visual Basic</a></li> <li class="FilteredContentCS"><a href="#Syntax-CS">C#</a></li> </ul> <div id="Syntax-VB" class="FilteredContentVB"> <pre>'Declaration Public Overloads Function Find( _ ByVal <i><a class="PopupLink" id="keySelectorPopupLink" data-popupcontentsource="#keySelectorPopupContent" data-popupshowevent="click mouseenter">keySelector</a></i> As System.Linq.Expressions.LambdaExpression _ ) As <a href="C1.LiveLinq.4~C1.LiveLinq.Indexing.Search.IIndexScanner`1.html">IIndexScanner(Of T)</a></pre> </div> <div id="Syntax-CS" class="FilteredContentCS"> <pre>public <a href="C1.LiveLinq.4~C1.LiveLinq.Indexing.Search.IIndexScanner`1.html">IIndexScanner<T></a> Find( System.Linq.Expressions.LambdaExpression <i><a class="PopupLink" id="keySelectorPopupLink" data-popupcontentsource="#keySelectorPopupContent" data-popupshowevent="click mouseenter">keySelector</a></i> )</pre> </div> </div> <h4 class="dxh4">Parameters</h4><dl><dt><i>keySelector</i></dt> <dd>Key selector expression of an index, see <a href="C1.LiveLinq.4~C1.LiveLinq.Indexing.IndexDefinition`1~KeySelector.html">KeySelector</a>.</dd></dl> <h4 class="dxh4">Return Value</h4><div class="ReturnsContent">An index with the given key selector, if it is found; otherwise, <b>null</b>.</div></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.Indexing.ScannerCollection`1.html">ScannerCollection<T> Class</a> <br><a href="C1.LiveLinq.4~C1.LiveLinq.Indexing.ScannerCollection`1_members.html">ScannerCollection<T> Members</a> <br><a href="C1.LiveLinq.4~C1.LiveLinq.Indexing.ScannerCollection`1~Find.html">Overload List</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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