</ 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">CompiledQuery Class</div></div> </div> <div id="AfterHeaderContent"> <a class="PageLink" href="C1.LiveLinq.4~C1.LiveLinq.CompiledQuery_members.html">Members</a> <!-- 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> : CompiledQuery Class</td></tr></table></div> <div id="BodyContent"> <div class="DescriptionContent">Provides for compilation and cache of queries for reuse.</div> <div class="SectionHeading" id="objectmodelSectionHeading"><span class="SectionHeadingIcon"><!-- --></span><span class="SectionHeadingText">Object Model</span></div><div id="objectmodelSectionContent" class="SectionContent"><map id="dxdiagram" name="dxdiagram"><area shape="rect" coords="2,2,104,25" href="C1.LiveLinq.4~C1.LiveLinq.CompiledQuery.html" alt="CompiledQuery Class"></map><img border="0" src="dotnetdiagramimages/C1_LiveLinq_4_C1_LiveLinq_CompiledQuery.png" usemap="#dxdiagram"></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><pre><span style="color: #008000; ">'Declaration </span> </pre><pre><span style="color: #0000FF; ">Public</span> <span style="color: #0000FF; ">MustInherit</span> <span style="color: #0000FF; ">NotInheritable</span> <span style="color: #0000FF; ">Class</span> CompiledQuery </pre></pre> </div> <div id="Syntax-CS" class="FilteredContentCS"> <pre><pre><span style="color: #0000FF; ">public</span> <span style="color: #0000FF; ">static</span> <span style="color: #0000FF; ">class</span> CompiledQuery </pre></pre> </div> </div> </div> <div class="SectionHeading" id="remarksSectionHeading"><span class="SectionHeadingIcon"><!-- --></span><span class="SectionHeadingText">Remarks</span></div><div id="remarksSectionContent" class="SectionContent">If you need to execute the same query many times, each time with different parameter values, use the <b>CompiledQuery</b> class to improve performance. Without it, every query execution includes a compilation stage, that does not take much time but that time can accumulate to significant numbers if it is repeated many times. The <b>CompiledQuery</b> class contains a single <b>Compile</b> method with several overloads. Call the <b>Compile</b> method to create a delegate to represent the compiled query.</div> <a name="exampleBookmark"></a> <div class="SectionHeading" id="inheritanceSectionHeading"><span class="SectionHeadingIcon"><!-- --></span><span class="SectionHeadingText">Inheritance Hierarchy</span></div><div id="inheritanceSectionContent" class="SectionContent"><p>System.Object<br> <strong>C1.LiveLinq.CompiledQuery</strong><br></p></div> <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.CompiledQuery_members.html">CompiledQuery Members</a> <br><a href="C1.LiveLinq.4~C1.LiveLinq_namespace.html">C1.LiveLinq Namespace</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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