linq - Robuta Search

https://dynamic-linq.net/ Dynamic LINQ dynamic linq https://alleghanytimekeeper.thinklinq.com/Default.aspx LINQ Time Keeper - A Module of the LINQ Payroll system. time keeper a module of the linq payroll https://timekeeper.orange.k12.nc.us/Default.aspx LINQ Time Keeper - A Module of the LINQ Payroll system. time keeper a module of the linq payroll https://hendersontimekeeper.thinklinq.com/Default.aspx LINQ Time Keeper - A Module of the LINQ Payroll system. time keeper a module of the linq payroll https://linq.buncombe.k12.nc.us/Default.aspx LINQ Time Keeper - A Module of the LINQ Payroll system. time keeper a module of the linq payroll https://app.mxlinq.com/Login Mx-LINQ - Login mx linq https://eval-expression.net/linq-dynamic LINQ Dynamic linq dynamic https://timekeeper.asheville.k12.nc.us/default.aspx LINQ Time Keeper - A Module of the LINQ Payroll system. time keeper a module of the linq payroll https://wataugacountytimekeeper.thinklinq.com/Default.aspx LINQ Time Keeper - A Module of the LINQ Payroll system. time keeper a module of the linq payroll https://franklintimekeeper.thinklinq.com/Default.aspx LINQ Time Keeper - A Module of the LINQ Payroll system. time keeper a module of the linq payroll https://web-linq.nl/ Web-linq – Alle links op één pagina alle links web linq op pagina https://mansfield-texas.com/project-successes/the-linq The LinQ / Mansfield Texas Economic Development Corporation Mansfield is strategically located in the south-central portion of the Dallas-Fort Worth Metroplex. Mansfield is a dynamic, growing community with a rich... the linq mansfield texas economic development corporation https://au.linqhs.com/ LINQ HS linq hs https://alexandertimekeeper.thinklinq.com/Default.aspx LINQ Time Keeper - A Module of the LINQ Payroll system. time keeper a module of the linq payroll https://learn.microsoft.com/en-us/dotnet/api/system.linq.iqueryprovider.execute?view=netframework-4.8 IQueryProvider.Execute Method (System.Linq) | Microsoft Learn Executes the query represented by a specified expression tree. execute method system linq microsoft https://learn.microsoft.com/en-us/previous-versions/dotnet/netframework-4.0/bb386944(v=vs.100)?redirectedfrom=MSDN ADO.NET and LINQ to SQL | Microsoft Learn linq to sql ado microsoft learn https://learn.microsoft.com/ja-jp/dotnet/api/system.xml.linq.extensions.descendants?view=netframework-4.8.1&viewFallbackFrom=net-9.0 Extensions.Descendants Method (System.Xml.Linq) | Microsoft Learn Returns a collection of elements that contains the descendant elements of every element and document in the source collection. extensions descendants method system xml https://learn.microsoft.com/fr-fr/dotnet/api/system.linq.expressions.expression.break?view=netframework-4.8.1&viewFallbackFrom=net-10.0 Expression.Break Method (System.Linq.Expressions) | Microsoft Learn Creates a GotoExpression representing a break statement. expression break method system linq https://learn.microsoft.com/en-us/dotnet/api/system.linq.expressions.expression?view=netframework-4.8.1&viewFallbackFrom=net-6.0 Expression Class (System.Linq.Expressions) | Microsoft Learn Provides the base class from which the classes that represent expression tree nodes are derived. It also contains static (Shared in Visual Basic) factory... class system expression linq microsoft learn https://learn.microsoft.com/en-us/dotnet/api/system.linq.expressions.binaryexpression?view=netframework-4.8.1&redirectedfrom=MSDN BinaryExpression Class (System.Linq.Expressions) | Microsoft Learn Represents an expression that has a binary operator. class system linq expressions microsoft learn https://www.infoq.com/news/2006/12/PLINQ/ Parallel LINQ: add automatic multithreading to LINQ queries - InfoQ With multi-core CPUs finding their way into server farms and the desktop not far behind, new techniques to take advantage of them are desperately needed.... parallel linq add automatic multithreading https://pastebin.com/eb1aML7r using System;using System.Collections.Generic;using System.Linq;using Syst - Pastebin.com Pastebin.com is the number one paste tool since 2002. Pastebin is a website where you can store text online for a set period of time. using system collections generic linq https://learn.microsoft.com/en-us/dotnet/api/system.linq.enumerable.intersect?view=net-6.0 Enumerable.Intersect Method (System.Linq) | Microsoft Learn Produces the set intersection of two sequences. enumerable intersect method system linq https://learn.microsoft.com/en-us/previous-versions/visualstudio/visual-studio-2008/bb397926(v=vs.90)?redirectedfrom=MSDN Language-Integrated Query (LINQ) | Microsoft Learn language integrated query linq microsoft https://linq.altronix.com/ Linq linq https://learn.microsoft.com/es-es/dotnet/api/system.linq.enumerable.tolookup?view=dotnet-uwp-10.0 Enumerable.ToLookup Method (System.Linq) | Microsoft Learn enumerable method system linq microsoft https://csharp-video-tutorials.blogspot.com/2014/09/part-3-how-to-view-linq-to-sql.html Sql server, .net and c# video tutorial: Part 3 - How to view LINQ to SQL generated SQL queries Free C#, .NET and SQL Server Video Tutorials for beginners and intermediate programmers. https://csharp-video-tutorials.blogspot.com/2014/07/part-2-writing-linq-queries.html Sql server, .net and c# video tutorial: Part 2 - Writing LINQ Queries Free C#, .NET and SQL Server Video Tutorials for beginners and intermediate programmers. sql server video tutorial https://www.rightlinq.com/ Home | Right Linq right linq https://csharp-video-tutorials.blogspot.com/2014/09/part-15-identity-cache-in-linq-to-sql_21.html Sql server, .net and c# video tutorial: Part 15 - Identity Cache in Linq to SQL Free C#, .NET and SQL Server Video Tutorials for beginners and intermediate programmers. https://learn.microsoft.com/cs-cz/dotnet/api/system.linq.queryable.unionby?view=net-10.0&viewFallbackFrom=netframework-4.8.1 Queryable.UnionBy Method (System.Linq) | Microsoft Learn Produces the set union of two sequences according to a specified key selector function. method system linq microsoft learn https://learn.microsoft.com/fr-fr/dotnet/api/system.linq.expressions.expression.addassign?view=netframework-4.8.1&viewFallbackFrom=net-10.0 Expression.AddAssign Method (System.Linq.Expressions) | Microsoft Learn Creates a BinaryExpression that represents an addition assignment operation that does not have overflow checking. expression method system linq microsoft https://csharp-video-tutorials.blogspot.com/2014/08/part-24-left-outer-join-in-linq.html Sql server, .net and c# video tutorial: Part 24 - Left Outer Join in LINQ Free C#, .NET and SQL Server Video Tutorials for beginners and intermediate programmers. https://learn.microsoft.com/en-us/dotnet/api/system.xml.linq.extensions.nodes?view=netframework-4.8.1&viewFallbackFrom=netcore-3.1 Extensions.NodesT(IEnumerableT) Method (System.Xml.Linq) | Microsoft Learn Returns a collection of the child nodes of every document and element in the source collection. extensions method system xml linq https://learn.microsoft.com/en-us/dotnet/api/system.linq.enumerable.distinct?view=netframework-4.8.1&viewFallbackFrom=net-5.0 Enumerable.Distinct Method (System.Linq) | Microsoft Learn Returns distinct elements from a sequence. enumerable distinct method system linq https://pastebin.com/cSSNNnjR using System;using System.Collections.Generic;using System.Linq;using Syst - Pastebin.com Pastebin.com is the number one paste tool since 2002. Pastebin is a website where you can store text online for a set period of time. using system collections generic linq https://oakleafblog.blogspot.com/2007/11/linq-and-entity-framework-posts-for_13.html OakLeaf Systems: LINQ and Entity Framework Posts for 11/12/2007+ Note: This compendium is updated daily or more often, depending on availability of articles. Updated: November 14, 15, 16 and 17, 2007. ... entity framework oakleaf systems linq https://media.aspitalia.com/ Video, podcast, screencast e webcast su ASP.NET, Visual Studio, .NET Framework, LINQ, HTML5,... Video, podcast, screencast e webcast su ASP.NET, Visual Studio, .NET Framework, LINQ, HTML5, Angular https://pastebin.com/bBqswqDD using System;using System.Collections.Generic;using System.Linq;using Syst - Pastebin.com Pastebin.com is the number one paste tool since 2002. Pastebin is a website where you can store text online for a set period of time. using system collections generic linq https://learn.microsoft.com/en-us/dotnet/api/system.linq?view=netframework-4.7 System.Linq Namespace | Microsoft Learn Provides classes and interfaces that support queries that use Language-Integrated Query (LINQ). system linq namespace microsoft learn https://learn.microsoft.com/zh-cn/dotnet/api/system.linq.iqueryable-1?view=netframework-4.8.1&viewFallbackFrom=net-6.0 IQueryableT Interface (System.Linq) | Microsoft Learn Provides functionality to evaluate queries against a specific data source wherein the type of the data is known. interface system linq microsoft learn https://pastebin.com/YWUPJLSV using System;using System.Collections.Generic;using System.Linq;using Syst - Pastebin.com Pastebin.com is the number one paste tool since 2002. Pastebin is a website where you can store text online for a set period of time. using system collections generic linq https://learn.microsoft.com/en-us/dotnet/csharp/linq/?source=recommendations Language Integrated Query (LINQ) - C# | Microsoft Learn Introduces Language Integrated Query (LINQ) in C#. language integrated query linq c https://www.codecademy.com/learn/asp-net/modules/asp-net-data-with-linq/cheatsheet ASP.NET: ASP.NET Data with LINQ Cheatsheet | Codecademy asp net data linq cheatsheet codecademy https://learn.microsoft.com/de-de/dotnet/api/system.linq.parallelenumerable.asparallel?view=netframework-4.8.1&viewFallbackFrom=net-9.0 ParallelEnumerable.AsParallel Method (System.Linq) | Microsoft Learn Enables parallelization of a query. method system linq microsoft learn https://learn.microsoft.com/en-us/dotnet/api/system.linq.expressions.memberassignment?view=netframework-4.8.1&redirectedfrom=MSDN MemberAssignment Class (System.Linq.Expressions) | Microsoft Learn Represents assignment operation for a field or property of an object. class system linq expressions microsoft learn https://csharp-video-tutorials.blogspot.com/2014/07/part-7-projection-operators-in-linq.html Sql server, .net and c# video tutorial: Part 7 - Projection Operators in LINQ Free C#, .NET and SQL Server Video Tutorials for beginners and intermediate programmers. https://learn.microsoft.com/en-us/dotnet/api/system.xml.linq.xelement.removeattributes?view=netframework-4.8.1&viewFallbackFrom=netcore-3.1 XElement.RemoveAttributes Method (System.Xml.Linq) | Microsoft Learn Removes the attributes of this XElement. method system xml linq microsoft https://learn.microsoft.com/en-us/previous-versions/office/developer/sharepoint-2010/ee565833(v=office.14) EntityRef(TEntity).GetEntity Method (Microsoft.SharePoint.Linq) | Microsoft Learn microsoft sharepoint getentity method linq learn https://learn.microsoft.com/en-us/dotnet/api/system.xml.linq.xnode.nodesafterself?view=netframework-4.8.1&viewFallbackFrom=net-9.0 XNode.NodesAfterSelf Method (System.Xml.Linq) | Microsoft Learn Returns a collection of the sibling nodes after this node, in document order. xnode method system xml linq https://learn.microsoft.com/id-id/dotnet/api/system.linq.expressions.methodcallexpression.accept?view=net-8.0 MethodCallExpression.Accept(ExpressionVisitor) Metode (System.Linq.Expressions) | Microsoft Learn Dikirim ke metode kunjungan tertentu untuk jenis node ini. Misalnya, MethodCallExpression memanggil VisitMethodCall(MethodCallExpression). accept metode system linq expressions https://learn.microsoft.com/en-us/dotnet/api/system.linq.expressions.memberinitexpression?view=netframework-4.8.1&redirectedfrom=MSDN MemberInitExpression Class (System.Linq.Expressions) | Microsoft Learn Represents calling a constructor and initializing one or more members of the new object. class system linq expressions microsoft learn https://lztk-vault.azurewebsites.net/archive/2005/09/13/3327.aspx C# 3.0: LINQ Feature c linq feature https://learn.microsoft.com/ru-ru/dotnet/api/system.linq.queryable.join?view=netframework-4.8.1 Queryable.Join Method (System.Linq) | Microsoft Learn Correlates the elements of two sequences based on matching keys. join method system linq microsoft learn https://learn.microsoft.com/zh-tw/dotnet/api/system.linq.expressions.expression?view=netframework-4.8.1 Expression Class (System.Linq.Expressions) | Microsoft Learn Provides the base class from which the classes that represent expression tree nodes are derived. It also contains static (Shared in Visual Basic) factory... class system expression linq microsoft learn https://learn.microsoft.com/en-us/previous-versions/dotnet/netframework-4.0/bb399399(v=vs.100)?redirectedfrom=MSDN LINQ to DataSet Overview | Microsoft Learn dataset overview linq microsoft learn https://learn.microsoft.com/ko-kr/dotnet/api/system.linq.enumerable.todictionary?view=netframework-4.8.1&viewFallbackFrom=net-7.0 Enumerable.ToDictionary Method (System.Linq) | Microsoft Learn enumerable method system linq microsoft https://learn.microsoft.com/en-us/dotnet/api/system.xml.linq.xname?view=netframework-4.8.1&viewFallbackFrom=net-5.0 XName Class (System.Xml.Linq) | Microsoft Learn Represents a name of an XML element or attribute. class system xml linq microsoft learn https://learn.microsoft.com/zh-cn/dotnet/api/system.linq.parallelenumerable.tolookup?view=netframework-4.8.1&viewFallbackFrom=net-8.0 ParallelEnumerable.ToLookup Method (System.Linq) | Microsoft Learn method system linq microsoft learn https://learn.microsoft.com/en-us/previous-versions/visualstudio/visual-studio-2010/bb397911(v=vs.100)?redirectedfrom=MSDN LINQ and File Directories | Microsoft Learn linq file directories microsoft learn https://learn.microsoft.com/en-us/dotnet/standard/linq/ LINQ overview - .NET | Microsoft Learn Language-Integrated Query (LINQ) provides language-level querying capabilities, and a higher-order function API to C# and Visual Basic, that enable you to... net microsoft linq overview learn https://learn.microsoft.com/cs-cz/dotnet/api/system.linq.queryable.selectmany?view=netframework-4.8.1 Queryable.SelectMany Method (System.Linq) | Microsoft Learn method system linq microsoft learn https://www.wyndhamhotels.com/trademark/las-vegas-nevada/the-linq-hotel-plus-experience-trademark-collection/overview The LINQ Hotel + Experience, Trademark Collection by Wyndham | Las Vegas, NV Hotels Experience our landmark, independent hotel in Las Vegas, NV with a stay at The LINQ Hotel + Experience, Trademark Collection by Wyndham. Book your trip today. las vegas nv the linq hotel experience https://pastebin.com/3r80CbSm using System;using System.Collections.Generic;using System.Linq;using Sy - Pastebin.com Pastebin.com is the number one paste tool since 2002. Pastebin is a website where you can store text online for a set period of time. using system collections generic linq https://learn.microsoft.com/ru-ru/dotnet/api/system.data.linq.itable.getoriginalentitystate?view=netframework-4.8.1 ITable.GetOriginalEntityState(Object) Method (System.Data.Linq) | Microsoft Learn Retrieves original values. system data itable object method linq https://learn.microsoft.com/ja-jp/dotnet/api/system.linq.expressions.expressionvisitor.visitmemberlistbinding?view=netframework-4.8.1&viewFallbackFrom=net-10.0 ExpressionVisitor.VisitMemberListBinding(MemberListBinding) Method (System.Linq.Expressions) |... Visits the children of the MemberListBinding. method system linq expressions https://learn.microsoft.com/zh-tw/dotnet/api/system.linq.enumerable.tohashset?view=netframework-4.8.1&viewFallbackFrom=net-5.0 Enumerable.ToHashSet Method (System.Linq) | Microsoft Learn enumerable method system linq microsoft https://learn.microsoft.com/es-es/dotnet/api/system.linq.enumerable.union?view=dotnet-uwp-10.0 Enumerable.Union Method (System.Linq) | Microsoft Learn Produces the set union of two sequences. enumerable union method system linq https://www.pearson.com/en-us/search/Shop?aq=linq%20unleashed%20for%20c Search results: linq unleashed for c | Pearson US search results linq unleashed pearson us https://learn.microsoft.com/ja-jp/dotnet/api/system.linq.asyncenumerable.anyasync?view=net-10.0 AsyncEnumerable.AnyAsync Method (System.Linq) | Microsoft Learn Determines whether a sequence contains any elements. method system linq microsoft learn https://learn.microsoft.com/en-gb/dotnet/api/system.linq.enumerable.singleordefault?view=netframework-4.8.1&viewFallbackFrom=net-7.0 Enumerable.SingleOrDefault Method (System.Linq) | Microsoft Learn Returns a single, specific element of a sequence, or a default value if that element is not found. enumerable method system linq microsoft https://learn.microsoft.com/en-gb/dotnet/api/system.linq.enumerable.except?view=netframework-4.8.1&viewFallbackFrom=net-9.0 Enumerable.Except Method (System.Linq) | Microsoft Learn Produces the set difference of two sequences. enumerable except method system linq https://www.infoq.com/presentations/torgersen-behind-linq-and-beyond/ Behind LINQ - And Beyond - InfoQ In this presentation from the JVM Languages Summit 2008, Mads Torgersen discusses LINQ, declarative programming and metaprogramming in C#, examples of LINQ... and beyond behind linq infoq https://pastebin.com/xnk8SfY4 using System;using System.Collections.Generic;using System.Linq; namespa - Pastebin.com Pastebin.com is the number one paste tool since 2002. Pastebin is a website where you can store text online for a set period of time. using system collections generic linq https://mikehadlow.blogspot.com/2008/03/using-irepository-pattern-with-linq-to.html?showComment=1271492588659&m=0 Code rant: Using the IRepository pattern with LINQ to SQL 27th March 2009. It's now a year since I wrote this post. Thanks to some comments by Janus2007 I've realised that it needs updating. I've re... code rant using pattern linq https://learn.microsoft.com/zh-cn/dotnet/api/system.linq.queryable.sum?view=netframework-4.8.1&viewFallbackFrom=net-8.0 Queryable.Sum Method (System.Linq) | Microsoft Learn Computes the sum of a sequence of numeric values. sum method system linq microsoft https://csharp-video-tutorials.blogspot.com/2014/07/part-14-linq-query-deferred-execution_18.html Sql server, .net and c# video tutorial: Part 14 - LINQ query deferred execution Free C#, .NET and SQL Server Video Tutorials for beginners and intermediate programmers. https://pastebin.com/vCUNB6sc using System;using System.Collections.Generic;using System.Linq;using Syst - Pastebin.com Pastebin.com is the number one paste tool since 2002. Pastebin is a website where you can store text online for a set period of time. using system collections generic linq https://github.com/thomaslevesque/TestLinqPerf GitHub - thomaslevesque/TestLinqPerf: Small benchmark to compare Linq performance in .NET Core vs.... Small benchmark to compare Linq performance in .NET Core vs. .NET 4.6.2 - thomaslevesque/TestLinqPerf https://learn.microsoft.com/id-id/dotnet/api/system.xml.linq.extensions.indocumentorder?view=netframework-4.8.1&viewFallbackFrom=windowsdesktop-10.0 Extensions.InDocumentOrderT(IEnumerableT) Method (System.Xml.Linq) | Microsoft Learn Returns a collection of nodes that contains all nodes in the source collection, sorted in document order. extensions method system xml linq https://learn.microsoft.com/zh-cn/dotnet/api/system.linq.expressions.methodcallexpression.nodetype?view=net-10.0 MethodCallExpression.NodeType Property (System.Linq.Expressions) | Microsoft Learn Returns the node type of this Expression. property system linq expressions microsoft learn https://pastebin.com/m3rdPZ0Z using System;using System.Collections.Generic;using System.Linq;using Syst - Pastebin.com Pastebin.com is the number one paste tool since 2002. Pastebin is a website where you can store text online for a set period of time. using system collections generic linq https://pastebin.com/EcBpSfVs using System;using System.Collections.Generic;using System.Linq;namespac - Pastebin.com Pastebin.com is the number one paste tool since 2002. Pastebin is a website where you can store text online for a set period of time. using system collections generic linq https://learn.microsoft.com/en-us/dotnet/api/system.data.linq.datacontext.-ctor?view=netframework-4.8.1&redirectedfrom=MSDN DataContext Constructor (System.Data.Linq) | Microsoft Learn Initializes a new instance of the DataContext class. The connection string you use can be an ADO.NET connection string. You can also specify a filename to a... system data constructor linq microsoft learn https://pastebin.com/X5mk0Wme using System;using System.Linq;using System.Collections.Generic;class Pi - Pastebin.com Pastebin.com is the number one paste tool since 2002. Pastebin is a website where you can store text online for a set period of time. using system linq collections generic https://learn.microsoft.com/en-us/previous-versions/office/developer/sharepoint-2010/ee536245(v=office.14) Type Mapping: From LINQ to SharePoint Provider to .NET | Microsoft Learn type mapping net microsoft linq sharepoint provider https://www.linq.com/ K‑12 Solutions - LINQ | K‑12 Software May 26, 2026 - Enabling districts with integrated financial, administrative and nutrition solutions. solutions linq software https://pastebin.com/w4hmKGFH using System;using System.Collections.Generic;using System.Linq;using Syst - Pastebin.com Pastebin.com is the number one paste tool since 2002. Pastebin is a website where you can store text online for a set period of time. using system collections generic linq https://learn.microsoft.com/en-us/previous-versions/visualstudio/visual-studio-2010/bb397929(v=vs.100)?redirectedfrom=MSDN LINQ and Reflection | Microsoft Learn linq reflection microsoft learn https://csharp-video-tutorials.blogspot.com/2014/09/part-4-using-stored-procedures-with_7.html Sql server, .net and c# video tutorial: Part 4 - Using stored procedures with LINQ to SQL Free C#, .NET and SQL Server Video Tutorials for beginners and intermediate programmers. https://learn.microsoft.com/en-gb/dotnet/api/system.linq.enumerable.groupby?view=netframework-4.8.1&viewFallbackFrom=net-7.0 Enumerable.GroupBy Method (System.Linq) | Microsoft Learn Groups the elements of a sequence. enumerable groupby method system linq https://weblogs.asp.net/paulomorgado/playing-with-linq-getting-interface-property-implementations/ Paulo Morgado - Playing With LINQ: Getting Interface Property Implementations Today, my friend Nuno was writing some code to get the PropertyInfos of a class implementation of an interface. Given this interface:public interface... paulo morgado playing linq getting interface https://mikehadlow.blogspot.com/2008/03/using-irepository-pattern-with-linq-to.html?showComment=1224765900000&m=0 Code rant: Using the IRepository pattern with LINQ to SQL 27th March 2009. It's now a year since I wrote this post. Thanks to some comments by Janus2007 I've realised that it needs updating. I've re... code rant using pattern linq https://learn.microsoft.com/en-us/dotnet/api/system.linq.enumerable.any?view=netframework-4.7 Enumerable.Any Method (System.Linq) | Microsoft Learn Determines whether any element of a sequence exists or satisfies a condition. enumerable method system linq microsoft https://csharp-video-tutorials.blogspot.com/2014/08/part-5-transforming-xml-to-csv-using_30.html Sql server, .net and c# video tutorial: Part 5 - Transforming XML to CSV using LINQ to XML Free C#, .NET and SQL Server Video Tutorials for beginners and intermediate programmers. https://blog.jetbrains.com/dotnet/tag/linq/ LINQ : The .NET Tools Blog | The JetBrains Blog .NET Tools Archive | The JetBrains Blog the net linq tools blog jetbrains https://status.linqsds.linq.com/ Status Page - LINQ SDS View LINQ SDS's real-time and historical operational status. status page linq sds https://mikehadlow.blogspot.com/2008/04/repositorygetbyid-using-linq-expression.html?showComment=1222266900000&m=0 Code rant: Repository.GetById using LINQ Expression Syntax code rant repository using linq https://learn.microsoft.com/en-us/previous-versions/dotnet/netframework-4.0/bb386976(v=vs.100)?redirectedfrom=MSDN LINQ to SQL | Microsoft Learn linq to sql microsoft learn https://learn.microsoft.com/id-id/dotnet/api/system.linq.expressions?view=netframework-4.8.1&viewFallbackFrom=net-10.0 System.Linq.Expressions Namespace | Microsoft Learn Contains classes, interfaces and enumerations that enable language-level code expressions to be represented as objects in the form of expression trees. system linq expressions namespace microsoft