can't import Linq using "using System.Linq;" in C#
Sep 5, 2019 · You need to add System.Linq as reference to your project. Adding a using at the top of a file doesn't automatically add the reference.
c# - What is LINQ and what does it do? - Stack Overflow
Aug 2, 2018 · LINQ is a technology for extracting data using an idiom derived from the C# programming language. While it owes much in functional design to SQL, it is fundamentally its …
c# - Cannot find using System.Data.Linq - Stack Overflow
Mar 23, 2017 · Right click your solution/project. Click Add Reference and search for System.Data.Linq and add the reference there and it should compile.
The type or namespace name 'Linq' does not exist in the …
Jun 8, 2016 · I had an issue with System.Linq not being recognized. The way I solved it was to change the targeted framework of my website from 4.0 to to 3.5 and then switch back to the …
What is System.Linq.Expressions in C# used for? - Stack Overflow
Apr 23, 2019 · System.Linq.Expressions is for hand building (or machine generating) expression trees. I have a feeling that given the complexity of building more complicated functionality that …
c# - Why do we have to use statements like "using …
Mar 18, 2018 · But I want to know if we have already used "using System" statement in our app then why do we need to use statements like "using System.Data" or any other shown in the …
c# - Using the generic type 'System.Collections.Generic.List<T ...
Jan 25, 2011 · Remove that using line; List is a class, not a namespace so you don't have to "use" it. Your Main() method ought to belong in its own class too; C# does not allow redefining an …
Where can I find the System.Linq.Dynamic dll? - Stack Overflow
Jan 6, 2012 · I am looking all over for this dll but can't find it anywhere? anyone know where to get it and can help me? Thanks!
The type or namespace name 'Linq' does not exist - Stack Overflow
Mar 1, 2017 · using System.Linq; from the top of the file play.cs, since this reference is not available in .Net 2.0, which you are using.
What does "using System" mean in C#? - Stack Overflow
May 22, 2021 · We have namespaces in C# which we use to organize classes and the system is a namespace in C#. using system; imports the namespace and you can now access the …