ef-database-first Questions
2
Solved
I was using EntityFramwok (code First) in my application, but for some cause i have to change entityframwork approch to Database First. i have configured the project on local successfully, when pub...
Shadwell asked 24/7, 2014 at 8:20
1
Solved
I have a database-first EDMX model in a separate library (e.g. Common.Feedback.Data), that includes the AspNetUser table and its related Identity Framework tables (pulled from another existing, wor...
Aleasealeatory asked 27/1, 2015 at 22:21
2
I'm developing an ASP.NET MVC4 application (database first approach), right now I updated the model from database and then after that I got this error:
Problem in mapping fragments starting at l...
Sundberg asked 23/10, 2014 at 2:54
2
Solved
I am struggling with getting a simplemembership scenario working in my EntityFramework / MVC4 / DatabaseFirst project. I've found plenty of examples for working with code first, but nothing for DB ...
Gout asked 15/10, 2012 at 19:30
1
Solved
Is there a way to change the naming convention with Entity Framework?
Example :
I have 2 tables
Planification
--------------
creator_id <fk>
guest_id <fk>
Profile
--------------
p...
Einhorn asked 25/7, 2014 at 14:49
3
Solved
We know EF generates classes based on Tables we added to .edmx file. Which will not any [DisplayName] DataAnnotations for them.
How can I add this [DisplayName] of generated classes without modif...
Radmilla asked 25/3, 2013 at 18:58
1
Solved
I'm trying to implement inheritance using entity framework 6.0 and database first approach. OK, let's say I have a Person and an Organization entity like below:
// a simplified version of organiza...
Michalmichalak asked 8/3, 2014 at 0:18
3
I have spent nearly seven hours to figure this out and couldn't come up with a solution. So here am I, sharing this problem with you.
Please note that the following example is a simplification and...
Desmoid asked 13/1, 2014 at 10:1
2
Solved
I am just getting started with Entity Framework 4.1, trying out the "database first" mode. When EF generates a Model class with the "ADO.Net DbContext Generator," shouldn't it identify the primary ...
Infuriate asked 7/12, 2011 at 18:7
0
Is there anyway to have a properties StoreGeneratedPattern automatically set to Computed in ADO.net when generated from a database where the fields default value or binding is set?
Is this also po...
Stereography asked 19/12, 2013 at 19:5
1
Solved
We have a database in which one table contains records that can be child to several other tables. It has a "soft" foreign key consisting of the owner's Id and a table name. This (anti) pattern is k...
Gaiser asked 19/12, 2012 at 13:41
2
Solved
First, I've read these questions/answers:
EF-migration message
How can I stop Add-Migration checking my database has no pending migrations when using Code-Based migrations?
Make EF4.3 Code First ...
Beestings asked 19/7, 2013 at 1:28
1
I am using Entity Framework 5, DB first. I know how to define an enum on my model, and set the type of a field to that enum.
Now, I have a requirement to map a field MyField to an enum that is def...
Wellbeing asked 1/10, 2013 at 12:27
1
I have a program using Entity Framework (EF) Database First in the data access layer. I know that in order for EF to auto-generate the navigation properties of a many to many relationship, the mapp...
Discordant asked 4/9, 2013 at 12:32
2
Solved
I'm using Entity Framework 5 in Database First approach and I am using edmx file.
Most of my entities have 6 common fields. Fields like CreatedAt, CreatedBy etc. Now, I implemented some functions ...
Reuven asked 16/8, 2013 at 14:23
2
Solved
I have an auto-generated Entity Framework model. It was generated using a database first approach. The mid_initial column has a database defined constraint that limits the column to a maximum lengt...
Tomekatomes asked 30/7, 2013 at 15:32
1
Sometimes entity framework generates awful navigation property names. Using the database first approach, what is the best way to fix that?
I am able to edit the t4 templates to my liking, but how ...
Goodfellowship asked 22/7, 2013 at 18:0
1
Solved
I'm in a situation where I have a table called Elements. Now I'm creating a table called Divergences that will store basically pairs of Elements. The purpose of Divergence is to check if two Elemen...
Reluct asked 19/7, 2013 at 17:38
4
Solved
Let's say we have four entities in data model: Categories, Books, Authors and BookPages. Also assume Categories-Books, Books-Authors and Books-BookPages relationships are one-to-many.
If a catego...
Galvanoscope asked 8/7, 2013 at 14:55
3
Solved
I have interesting problem to solve but, although common, it looks like it's not easily achievable with Entity Framework. There are two tables:
Player(Id,TeamId,FirstName,LastName)
Team(Id, Name, ...
Nahshunn asked 9/10, 2012 at 10:52
2
I am trying to use SimpleMembership in my MVC 4 for the first time and I already have an existing database and EF5 model created based on it! I searched a lot but I cant find how I could use it in ...
Beliabelial asked 27/2, 2013 at 12:31
3
Solved
There are many tutorials on Fluent API, but they all explain it using Entity Framework Code-First code examples. Since I don't know Code-First, do you know of any Fluent API tutorials that would ex...
Cyzicus asked 19/4, 2012 at 18:5
2
Solved
I'm new to MVC and trying to figure out how to set default values for partial classes. I have been searching for 2 days now, and can't get anything to work. Here is a supposed solution, but it does...
Semantic asked 29/11, 2012 at 0:20
2
Solved
Using database first model: Let's say we have the classic tables Student, Course and StudentCourse (the latter obviously having FKs to Student and Course).
If you import this model to EF, you will...
Ballard asked 27/11, 2012 at 16:23
1
Solved
I'm starting a new application that must use an existing database that use some naming conventions that are really annoying in .net (table names start with several trigrams that specify the busines...
Estelaestele asked 29/8, 2012 at 16:34
© 2022 - 2024 — McMap. All rights reserved.