Recent questions tagged linq

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linq - Add two Lists of different length in c#

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linq - EF 4: Removing child object from collection does not delete it - why?

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 915 views

linq to sql - Explicit construction of entity type '###' in query is not allowed.

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 1.6k views

linq - .NET List<T> Concat vs AddRange

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 904 views

linq - Defining a one-to-one relationship in SQL Server

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linq - What's the difference between IQueryable and IEnumerable

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 1.2k views

linq - Hitting the 2100 parameter limit (SQL Server) when using Contains()

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 854 views

linq - Convert String to Int in EF 4.0

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 883 views

linq - Why aren't C# static class extension methods supported?

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 949 views

linq to entities - Best way to check if object exists in Entity Framework?

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 1.1k views

linq - Only initializers, entity members, and entity navigation properties are supported

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 1.4k views

linq - How to combine more than two generic lists in C# Zip?

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 1.9k views

linq - How to filter nested collection Entity Framework objects?

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 933 views

linq - How can I do an OrderBy with a dynamic string parameter?

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 880 views

linq - Reading a file line by line in C#

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 755 views

linq - How many Include I can use on ObjectSet in EntityFramework to retain performance?

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 1.2k views

linq - Entity Framework: There is already an open DataReader associated with this Command

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 1.1k views

linq - How to retrieve parent child relationship data using entity framework and do pagination/filtering/sorting on it

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 1.7k views

linq - How do I use Entity Framework to find a record in Cosmos with case insensitive conditions

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 907 views

linq to sql - i don't know how i will add a condition where in this query

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 1.2k views

linq - Most efficient way to compare two generic lists based on id elements contained within nested list (C#)

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 1.1k views

linq - Transform a DataTable into Dictionary C#

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 1.3k views

linq - FirstOrDefault() result of a struct collection?

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 1.2k views

linq - FirstOrDefault() result of a struct collection?

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 892 views

linq - SingleOrDefault() method: what is "a default value"?

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 849 views

linq - SingleOrDefault() method: what is "a default value"?

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 824 views

linq to sql - Explicit construction of entity type '###' in query is not allowed.

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 790 views

linq to sql - Explicit construction of entity type '###' in query is not allowed.

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 427 views

linq to sql - Should I return IEnumerable<T> or IQueryable<T> from my DAL?

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 504 views

linq - Moq how to replace obsolete expression

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 399 views

linq - Moq how to replace obsolete expression

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 464 views

linq query subtracting two datetimes not working with mongodb, c# and linq

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 347 views

linq query subtracting two datetimes not working with mongodb, c# and linq

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 516 views

linq - Most efficient way to compare two generic lists based on id elements contained within nested list (C#)

asked Apr 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 822 views

linq - Most efficient way to compare two generic lists based on id elements contained within nested list (C#)

asked Apr 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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