Dryad/html/84caf4f5-b0e4-74f6-d963-aa1...

<html><head><meta http-equiv="X-UA-Compatible" content="IE=edge" /><link rel="shortcut icon" href="../icons/favicon.ico" /><style type="text/css">.OH_CodeSnippetContainerTabLeftActive, .OH_CodeSnippetContainerTabLeft,.OH_CodeSnippetContainerTabLeftDisabled { }.OH_CodeSnippetContainerTabRightActive, .OH_CodeSnippetContainerTabRight,.OH_CodeSnippetContainerTabRightDisabled { }.OH_footer { }</style><link rel="stylesheet" type="text/css" href="../styles/branding.css" /><link rel="stylesheet" type="text/css" href="../styles/branding-en-US.css" /><script type="text/javascript" src="../scripts/branding.js"> </script><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>DryadLinqQueryable.SingleAsQuery(TSource) Method (IQueryable(TSource))</title><meta name="Language" content="en-us" /><meta name="Microsoft.Help.Id" content="M:Microsoft.Research.DryadLinq.DryadLinqQueryable.SingleAsQuery``1(System.Linq.IQueryable{``0})" /><meta name="Description" content="Same as , but returns an &lt;&gt; containing a single element." /><meta name="Microsoft.Help.ContentType" content="Reference" /><meta name="BrandingAware" content="true" /><meta name="container" content="Microsoft.Research.DryadLinq" /><meta name="file" content="84caf4f5-b0e4-74f6-d963-aa1ca5938162" /><meta name="guid" content="84caf4f5-b0e4-74f6-d963-aa1ca5938162" /></head><body onload="OnLoad('cs')"><input type="hidden" id="userDataCache" class="userDataStyle" /><div class="OH_outerDiv"><div class="OH_outerContent"><table class="TitleTable"><tr><td class="OH_tdTitleColumn">DryadLinqQueryable<span id="LST729033FD_0"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST729033FD_0?cpp=::|nu=.");</script>SingleAsQuery<span id="LST729033FD_1"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST729033FD_1?cs=&lt;|vb=(Of |cpp=&lt;|fs=&lt;'|nu=(");</script><span class="typeparameter">TSource</span><span id="LST729033FD_2"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST729033FD_2?cs=&gt;|vb=)|cpp=&gt;|fs=&gt;|nu=)");</script> Method (IQueryable<span id="LST729033FD_3"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST729033FD_3?cs=&lt;|vb=(Of |cpp=&lt;|fs=&lt;'|nu=(");</script><span class="typeparameter">TSource</span><span id="LST729033FD_4"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST729033FD_4?cs=&gt;|vb=)|cpp=&gt;|fs=&gt;|nu=)");</script>)</td><td class="OH_tdRunningTitleColumn">DryadLINQ documentation</td></tr></table><div id="mainSection"><div id="mainBody"><span class="introStyle"></span><div class="summary">
            Same as <a href="http://msdn2.microsoft.com/en-us/library/bb156472" target="_blank">Single<span id="LST729033FD_5"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST729033FD_5?cs=&lt;|vb=(Of |cpp=&lt;|fs=&lt;'|nu=(");</script>TSource<span id="LST729033FD_6"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST729033FD_6?cs=&gt;|vb=)|cpp=&gt;|fs=&gt;|nu=)");</script>(IQueryable<span id="LST729033FD_7"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST729033FD_7?cs=&lt;|vb=(Of |cpp=&lt;|fs=&lt;'|nu=(");</script>TSource<span id="LST729033FD_8"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST729033FD_8?cs=&gt;|vb=)|cpp=&gt;|fs=&gt;|nu=)");</script>)</a>, but returns an <a href="http://msdn2.microsoft.com/en-us/library/bb495796" target="_blank">IQueryable</a>&lt;<span class="typeparameter">TSource</span>&gt;
            containing a single element.
            </div><p> </p><strong>Namespace:</strong> <a href="efe6507e-9fd8-bbd3-8227-fd6ba9e289c1.htm">Microsoft.Research.DryadLinq</a><br /><strong>Assembly:</strong> Microsoft.Research.DryadLinq (in Microsoft.Research.DryadLinq.dll) Version: 0.1.5.0 (0.1.5.0)<div class="OH_CollapsibleAreaRegion"><div class="OH_regiontitle">Syntax</div><div class="OH_CollapsibleArea_HrDiv"><hr class="OH_CollapsibleArea_Hr" /></div></div><div class="OH_clear"> </div><div class="OH_CodeSnippetContainer"><div class="OH_CodeSnippetContainerTabs"><div class="OH_CodeSnippetContainerTabLeft" id="ID0ECCA_tabimgleft"> </div><div id="ID0ECCA_tab1" class="OH_CodeSnippetContainerTabFirst"><a href="#" onclick="javascript:ChangeTab('ID0ECCA','cs','1','3');return false;">C#</a></div><div id="ID0ECCA_tab2" class="OH_CodeSnippetContainerTab"><a href="#" onclick="javascript:ChangeTab('ID0ECCA','vb','2','3');return false;">VB</a></div><div id="ID0ECCA_tab3" class="OH_CodeSnippetContainerTab"><a href="#" onclick="javascript:ChangeTab('ID0ECCA','cpp','3','3');return false;">C++</a></div><div class="OH_CodeSnippetContainerTabRight" id="ID0ECCA_tabimgright"> </div></div><div class="OH_CodeSnippetContainerCodeCollection"><div class="OH_CodeSnippetToolBar"><div class="OH_CodeSnippetToolBarText"><a id="ID0ECCA_copyCode" href="#" onclick="javascript:CopyToClipboard('ID0ECCA');return false;" title="Copy">Copy</a></div></div><div id="ID0ECCA_code_Div1" class="OH_CodeSnippetContainerCode" style="display: block"><pre xml:space="preserve"><span class="keyword">public</span> <span class="keyword">static</span> <span class="identifier">IQueryable</span>&lt;TSource&gt; <span class="identifier">SingleAsQuery</span>&lt;TSource&gt;(
	<span class="keyword">this</span> <span class="identifier">IQueryable</span>&lt;TSource&gt; <span class="parameter">source</span>
)
</pre></div><div id="ID0ECCA_code_Div2" class="OH_CodeSnippetContainerCode" style="display: none"><pre xml:space="preserve">&lt;<span class="identifier">ExtensionAttribute</span>&gt;
<span class="keyword">Public</span> <span class="keyword">Shared</span> <span class="keyword">Function</span> <span class="identifier">SingleAsQuery</span>(<span class="keyword">Of</span> TSource) (
	<span class="parameter">source</span> <span class="keyword">As</span> <span class="identifier">IQueryable</span>(<span class="keyword">Of</span> TSource)
) <span class="keyword">As</span> <span class="identifier">IQueryable</span>(<span class="keyword">Of</span> TSource)</pre></div><div id="ID0ECCA_code_Div3" class="OH_CodeSnippetContainerCode" style="display: none"><pre xml:space="preserve"><span class="keyword">public</span>:
[<span class="identifier">ExtensionAttribute</span>]
<span class="keyword">generic</span>&lt;<span class="keyword">typename</span> TSource&gt;
<span class="keyword">static</span> <span class="identifier">IQueryable</span>&lt;TSource&gt;^ <span class="identifier">SingleAsQuery</span>(
	<span class="identifier">IQueryable</span>&lt;TSource&gt;^ <span class="parameter">source</span>
)</pre></div></div></div><script type="text/javascript">AddLanguageTabSet("ID0ECCA");</script><h4 class="subHeading">Parameters</h4><dl><dt><span class="parameter">source</span></dt><dd>Type: <a href="http://msdn2.microsoft.com/en-us/library/bb351562" target="_blank">System.Linq<span id="LST729033FD_9"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST729033FD_9?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>IQueryable</a><span id="LST729033FD_10"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST729033FD_10?cs=&lt;|vb=(Of |cpp=&lt;|fs=&lt;'|nu=(");</script><span class="selflink"><span class="typeparameter">TSource</span></span><span id="LST729033FD_11"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST729033FD_11?cs=&gt;|vb=)|cpp=&gt;|fs=&gt;|nu=)");</script><br />The input sequence</dd></dl><h4 class="subHeading">Type Parameters</h4><dl><dt><span class="parameter">TSource</span></dt><dd>The type of the elements of source</dd></dl><h4 class="subHeading">Return Value</h4>Type: <a href="http://msdn2.microsoft.com/en-us/library/bb351562" target="_blank">IQueryable</a><span id="LST729033FD_12"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST729033FD_12?cs=&lt;|vb=(Of |cpp=&lt;|fs=&lt;'|nu=(");</script><span class="selflink"><span class="typeparameter">TSource</span></span><span id="LST729033FD_13"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST729033FD_13?cs=&gt;|vb=)|cpp=&gt;|fs=&gt;|nu=)");</script><br />The single element of the input sequence<h4 class="subHeading">Usage Note</h4>In Visual Basic and C#, you can call this method as an instance method on any object of type <a href="http://msdn2.microsoft.com/en-us/library/bb351562" target="_blank">IQueryable</a><span id="LST729033FD_14"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST729033FD_14?cs=&lt;|vb=(Of |cpp=&lt;|fs=&lt;'|nu=(");</script><span class="selflink"><span class="typeparameter">TSource</span></span><span id="LST729033FD_15"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST729033FD_15?cs=&gt;|vb=)|cpp=&gt;|fs=&gt;|nu=)");</script>. When you use instance method syntax to call this method, omit the first parameter. For more information, see <a href="http://msdn.microsoft.com/en-us/library/bb384936.aspx" target="_blank">Extension Methods (Visual Basic)</a> or <a href="http://msdn.microsoft.com/en-us/library/bb383977.aspx" target="_blank">Extension Methods (C# Programming Guide)</a>.<div class="OH_CollapsibleAreaRegion" id="seeAlsoSection"><div class="OH_regiontitle">See Also</div><div class="OH_CollapsibleArea_HrDiv"><hr class="OH_CollapsibleArea_Hr" /></div></div><div class="OH_clear"> </div><h4 class="subHeading">Reference</h4><div class="seeAlsoStyle"><a href="6d67ec6b-96ed-0a8b-0ad4-1c0568c7bf91.htm">DryadLinqQueryable Class</a></div><div class="seeAlsoStyle"><a href="f8e0a412-97bc-99bb-d919-03e404d236b8.htm">SingleAsQuery Overload</a></div><div class="seeAlsoStyle"><a href="efe6507e-9fd8-bbd3-8227-fd6ba9e289c1.htm">Microsoft.Research.DryadLinq Namespace</a></div></div></div></div></div><div id="OH_footer" class="OH_footer"> </div></body></html>