Re Descubriendo A Linq

Re-descubriendo LINQ Jose Fco Bonnin Payvision Blog: http://www.josefcobonnin.com

Agenda ,[object Object],[object Object],[object Object],[object Object]

LINQ Overview C# 3.0 VB 9.0 Otros… LINQ to SQL LINQ to XML LINQ to DataSets .NET Language Integrated Query LINQ to Objects LINQ to Entities LINQ to Whatever Objetos Datos relacionales <book> <title/> <author/> <year/> <price/> </book> XML

Historia ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

My First Query ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Standard Query Operators I Agrupados por tipo de Operación ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Standard Query Operators II Agrupados por tipo de Ejecución ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Query Expressions Syntax I ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Query Expression ,[object Object],[object Object],[object Object],[object Object],Implicitly Typed Variables Extension Methods Lambda Expression Object Initializer Anonymous Type var a = people.Where(p => p.Age > 15) .OrderBy (p => p.Name) .ThenByDescending(p => p.Age) .Select(p => new p.Name, p.Surname);

“ PRE” LINQ to XML – W3C DOM XML ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],<Freaks> <Freak Specialty="TFS"> <Name>Luis</Name> <Surname>Fraile</Surname> </Freak> </Freaks>

“ PRE” LINQ to XML – XML “Lite” ,[object Object],[object Object],[object Object],[object Object],[object Object]

Expression Trees ,[object Object],[object Object],[object Object],[object Object],[object Object],Add a b Left Right Body

LINQ to SQL ,[object Object],[object Object],[object Object]

Referencias ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Re Descubriendo A Linq

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