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entity-framework

Entity Framework – retrieve ID before ‘SaveChanges’ inside a transaction

September 2, 2022 by Magenaut

In Entity Framework – Is there any way to retrieve a newly created ID (identity) inside a transaction before calling ‘SaveChanges’?

Categories ASP.NET, Q&A Tags asp.net, c#, entity-framework Leave a comment

It has a DefiningQuery but no InsertFunction element… err

September 2, 2022 by Magenaut

This thing is driving me crazy, and the error is quite meaningless to me:

Categories ASP.NET, Q&A Tags asp.net, entity-framework Leave a comment

User in Entity type MVC5 EF6

September 2, 2022 by Magenaut

I have created a class in MVC5, where I want a primary owner of the content and then I want to have some editors for the content:

Categories ASP.NET, Q&A Tags asp.net, asp.net-identity, asp.net-mvc-5, c#, entity-framework Leave a comment

The type initializer for ‘System.Data.Entity.Internal.AppConfig’ threw an exception

September 2, 2022 by Magenaut

I’m working with EF5 in a MVC 4 aspnet website.
Locally, everything works just fine, but when I publish it to the IIS and try to enter, I get the error

Categories ASP.NET, Q&A Tags asp.net, asp.net-mvc, asp.net-mvc-4, entity-framework, entity-framework-5 Leave a comment

ASP.NET Identity – Multiple object sets per type are not supported

September 2, 2022 by Magenaut

I got an error using ASP.NET Identity in my app.

Categories ASP.NET, Q&A Tags asp.net, asp.net-identity, asp.net-mvc, c#, entity-framework Leave a comment

Dynamic MySQL database connection for Entity Framework 6

September 2, 2022 by Magenaut

I wish to pass a dynamic connection string to the entity framework context. I have over 150 schemas which are identical (one per account) and I would like to select the connection as such:

Categories ASP.NET, Q&A Tags asp.net, c#, entity-framework, entity-framework-6, mysql Leave a comment

keyword not supported data source

September 2, 2022 by Magenaut

I have an asp.net-mvc application with the default membership database. I am accessing it by ADO.NET Entity Framework.

Categories ASP.NET, Q&A Tags asp.net, connection-string, entity-framework Leave a comment

thread messaging system database schema design

September 2, 2022 by Magenaut

I’m trying to achieve exactly what’s explained here:
Creating a threaded private messaging system like facebook and gmail,
however i don’t completly understand Joel Brown’s answer. can any one please explain.

Categories ASP.NET, Q&A Tags asp.net, database, database-design, entity-framework, linq Leave a comment

“The LINQ expression node type ‘Invoke’ is not supported in LINQ to Entities” – stumped!

September 2, 2022 by Magenaut

In my EF later, I’m trying to pass in an anonymous function to be used as part of my Linq query. The function would pass in an INT and return a BOOL (u.RelationTypeId is an INT). Below is a simplified version of my function:

Categories ASP.NET, Q&A Tags asp.net, c#, entity-framework, linq, linq-to-entities Leave a comment

Setting the default value of a DateTime Property to DateTime.Now inside the System.ComponentModel Default Value Attrbute

September 2, 2022 by Magenaut

Does any one know how I can specify the Default value for a DateTime property using the System.ComponentModel DefaultValue Attribute?

Categories ASP.NET, Q&A Tags asp.net, asp.net-core-2.1, c#, ef-core-2.1, entity-framework Leave a comment
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  1. michealSmith07 on Is there a way to dynamically refresh the less command?August 21, 2022

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  2. anonymous on Fix libwacom9 dependency issue when upgrade DebianJune 27, 2022

    saved my day!! Thanks for the help…

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    remove libwacom2 worked for me as well

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