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Q&A

Welcome to Software Development on Codidact!

Will you help us build our independent community of developers helping developers? We're small and trying to grow. We welcome questions about all aspects of software development, from design to code to QA and more. Got questions? Got answers? Got code you'd like someone to review? Please join us.

Posts tagged linq

Subtag of .net · 1 child tag

Use for questions related to Microsoft's Language Integrated Query that adds data querying capabilities. Based on the actual usage, consider adding more specific tags such as [linq-to-sql] (a database query is generated) or [linq-to-entities].

This tag doesn't have a detailed wiki yet.

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Q&A Order a subcollection from linq

I am using linq/EF core to retrieve data via an API call. How do I sort the collection of related data for each retrieved entity? Assume the following structure: an Order is made on a certain da...

1 answer  ·  posted 2y ago by mcalex‭  ·  last activity 2y ago by Alexei‭

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Q&A Update list based on presence of identifier in a second list

In C#, I have two lists and need to mark records in the first based on the second. Here's a sample: public class Vehicle { public string Make { get; set; } public string VIN { get; set;...

3 answers  ·  posted 3y ago by FrankLuke‭  ·  last activity 3y ago by Andrew Shepherd‭

Question c# linq
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Q&A How to perform LEFT JOIN using LINQ method call notation?

I am interested in performing a LEFT JOIN using LINQ-2-SQL when working with method call notation. This answer suggests a way that relies on GroupJoin but it is more verbose than expected: var le...

1 answer  ·  posted 3y ago by Alexei‭  ·  last activity 3y ago by Alexei‭

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Q&A How to perform LINQ joins with multiple fields in a single join?

Note: this is an aggregate of the answer provided for this question. I want to get the LINQ equivalent of the following from SQL: SELECT .. FROM entity1 e1 JOIN entity2 e2 ON e1.field1 = e2.fie...

1 answer  ·  posted 3y ago by Alexei‭  ·  last activity 3y ago by Alexei‭

Question c# linq join