Recent questions tagged entity

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entity framework - EF Code First DBContext and Transactions

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

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entity framework - EF Migrations: Rollback last applied migration?

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

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entity framework - LINQ OrderBy not ordering .. changing nothing .. why?

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

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entity framework - conditional include in linq to entities?

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

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1 answer 1.2k views

entity framework - Asp.Net Web API Error: The 'ObjectContent`1' type failed to serialize the response body for content type 'application/xml; charset=utf-8'

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

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entity framework - MVC3 and Code First Migrations - "model backing the 'blah' context has changed since the database was created"

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

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entity framework - An object with the same key already exists in the ObjectStateManager. The ObjectStateManager cannot track multiple objects with the same key

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

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1 answer 912 views

entity framework - How do I use structural annotations to set SQL type to Date in model first approach

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

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1 answer 862 views

entity relationship - is optionality (mandatory, optional) and participation (total, partial) are same?

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

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1 answer 1.2k views

entity framework - No executable found matching command "dotnet-ef"

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

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entity framework - How to pass parameters to the DbContext.Database.ExecuteSqlCommand method?

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

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1 answer 931 views

entity framework - There is already an object named in the database

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

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1 answer 850 views

entity framework - Improve navigation property names when reverse engineering a database

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

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entity framework migrations - How to delete and recreate from scratch an existing EF Code First database

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

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1 answer 1.2k views

entity framework - EntityFramework code-first custom connection string and migrations

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

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1 answer 1.5k views

entity framework - EF Code First "Invalid column name 'Discriminator'" but no inheritance

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

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1 answer 1.0k views

entity framework - EF Core Second level ThenInclude missworks

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

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1 answer 1.2k views

entity framework - The specified type member 'Date' is not supported in LINQ to Entities Exception

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

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1 answer 951 views

entity framework - Batch update/delete EF5

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

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1 answer 1.0k views

entity framework 6 - How to connect to LocalDB in Visual Studio Server Explorer?

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

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1 answer 999 views

entity framework - LINQ to Entities does not recognize the method 'System.String Format(System.String, System.Object, System.Object)'

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

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1 answer 916 views

entity framework - Convert value when mapping

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

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1 answer 898 views

entity framework 4.1 - Unit Testing DbContext

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

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1 answer 881 views

entity framework - How to mock the limitations of EntityFramework's implementation of IQueryable

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

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1 answer 974 views

entity framework - One DbContext per request in ASP.NET MVC (without IOC container)

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

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1 answer 1.1k views

entity framework - Linq: adding conditions to the where clause conditionally

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

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1 answer 1.0k views

entity framework - What's the difference(s) between .ToList(), .AsEnumerable(), AsQueryable()?

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

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1 answer 960 views

entity framework 4.1 - Generic Repository With EF 4.1 what is the point

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

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1 answer 708 views

entity framework - The relationship could not be changed because one or more of the foreign-key properties is non-nullable

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

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1 answer 319 views

entity framework - Code-first vs Model/Database-first

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

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1 answer 208 views

entity framework - Code First: Independent associations vs. Foreign key associations?

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

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1 answer 219 views

entity framework - WPF Programming Methodology

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

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1 answer 227 views

entity framework - ASP.NET MVC 2.0 Implementation of searching in jqgrid

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 485 views

entity framework - c# Soft Delete and Unique constraints

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

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1 answer 440 views

entity framework - Unable to resolve service for type 'IRepositoryPMS.IProductRepository' while attempting to activate 'Controllers.HomeController'

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

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