System.Data.SqlClient.SqlException: 'Introducing FOREIGN KEY constraint

ADO.NET provider with invariant name 'System.Data.SqlClient;' cannot be found (Entity Framework MVC)

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ASP.NET 5 / Azure error: FileNotFoundException: Could not load file or assembly System.Data.SqlClient

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System.Data.SqlClient.SqlException: Invalid object name 'dbo.__TransactionHistory'

In the end, I took two actions....manual SQL execution... CREATE TABLE [dbo].[__TransactionHistory] ( [Id] [uniqueidentifier] NOT NULL, [CreationTime] [datetime] NOT NULL, CONSTRAINT [PK_dbo.__TransactionHistory] PRIMARY KEY ([Id]) ...the development of a CommitFailureHandler that modifies BeganTransaction such that the basic function is not called...

Entity Framework 6 error serverversion : (System.Data.SqlClient.SqlConnection)customerOrderContext.Database.Connection).ServerVersion

Zzz-5-Zzz is the exception, and it occurs when the connection is broken. This is not a problem....However, because you are merely returning the result and haven't used it, you clearly receive an empty result....new List<BusinessObjects.Customers>()... In your approach:...public IEnumerable<BusinessObjects.Customers> GetAllCustomers() { IList<Bu...

SqlException: The INSERT statement conflicted with the FOREIGN KEY constraint

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Introducing FOREIGN KEY constraint may cause cycles or multiple cascade paths in EF Core

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System.Private.CoreLib: Exception while executing function: System.Data.SqlClient: Keyword not supported: 'authentication'

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SqlException: The INSERT statement conflicted with the FOREIGN KEY constraint "FK_Users_Companies_CompanyId"

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Load related data without foreign key constraint in ef-core-2.1

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System.PlatformNotSupportedException: System.Data.SqlClient is not supported on this platform

By adding a reference to System, I was able to get it to operate in the test project. Data. 4.5.0.1 SqlClient