ado.net-entity-data-model Questions

3

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I have an ADO.NET Entity Data Model created. Everything worked fine, until I added new table in my database. So I wanted to add that table to my data model. I followed these steps: Right click on m...
Extraterritoriality asked 18/3, 2014 at 10:45

10

I trying to create an entity data model with Oracle. I am getting this error. I have these installed for my solution. I have also installed ODT for VS 2015. These are my references showing....

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I'm using the Entity Framework to generate the classes and functions in C# I need to interact with the SQL server. For reference, here's one of my tables: SET ANSI_NULLS ON GO SET QUOTED_IDENTIF...
Quarterstaff asked 17/2, 2015 at 22:13

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command: add-migration blahblah -verbose error: Sequence contains no elements I did a few things before getting this error. I made a change to my code-first model but did not runadd-migration yet....

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I have created new web project but I can't find ADO.net Entity DAta Model to add it. How to fix it or Install it ?
Spirometer asked 13/4, 2014 at 17:42

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I am totally lost. In Visual Studio 2015, I created a WCF Library Service project and defined the service and service interface. EntityFramework, EntityFramework.SqlServer, EntityFramework6.Npgsq...
Onofredo asked 16/2, 2016 at 6:24

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Anyone having similar problem, while creating webservices? Compiling transformation: Metadata file 'D:\Program Files\VS2013\Common7\Tools..\IDE\Microsoft.Data.Entity.Design.dll' could not be f...

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I'm trying to add an edmx Entity model to my C#/Web Project in Visual Studio 2013. My problem is that the file is not created. I do the following steps: Give the item a name Choose 'EF Designer ...

1

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I am developing a website in ASP.NET MVC in Visual Studio. I'm trying to add a Database connection, but it gives me the error "The system cannot find the path specified". Here's what I am doing: ...
Aeneous asked 25/2, 2020 at 23:46

1

So I am trying to create my ADO Entity data model, and i cant seem to get past the "choose your data connection" page. I choose the correct connection, then click either no or yes for sensitive dat...

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I am trying to build an MVC 5 Web application with Entity Framework 6 that works on Oracle Database , am trying to use ODAC 12c Release 3 which includes support for Entity Framework 6 Code First an...
Steamtight asked 26/12, 2014 at 11:30

1

I have used Entity Framework to generate models for database before. The thing is that Entity Framework generate the model for a specific provider (SQL Server, Oracle, etc ..). How can I generate a...
Cabaret asked 24/1, 2014 at 21:27

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I have generated my POCO entities using POCO Generator, I have more than 150+ tables in my database. I am sharing POCO entities all across the application layers including the client. I have disabl...

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When setting up a new Entity data Model, there is an option to [x] Pluralize or singularize generated object names I have noticed this is an option in LINQ as well. Also, now that I am studyin...
Farrison asked 8/2, 2011 at 15:57

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I have a project in visual studio ultimate 2010 (MVVM) and database, in SQLITE. Everything worked fine, but now I have a problem with the ADO.NET Entity Data Model. I searched for information a...
Asafoetida asked 3/6, 2013 at 16:43

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I'm just being picky but I was researching how does Entity Framework generates the DLL from an EDMX file and I saw this on msdn: The Entity Data Model Designer (Entity Designer) stores model and...

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I am using ODP.NET. I have added an ADO.NET model to the project. That way, an edmx file was created. I chose "create from database" and after I selected the tables and click finish, edmx design su...

3

After installed Visual Studio 2013 and create a new MVC4 internet application project : Visual Studio Doesn't have Ado.net Entity Data Model when i click on add->new item-> Why? I reinstall i...
Teetotalism asked 12/1, 2014 at 11:15

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I'm getting a weird EF4 "Entity Framework v4" error when I do a select on the context: Schema specified is not valid. Errors: The relationship 'AnalyzerConfigurationModel.FK_AnalyzerMeta...

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I have two tables: Employee: Id, Name, DepartmentId Department: Id, Name Employee.cs: public int Id {get;set;} public string Name {get;set;} public int DepartmentId {get;set;} Department.cs:...
Hostetler asked 13/5, 2016 at 8:34

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I am using multiple layer project where the DataModel hosts the ADo.NET Entity model and DataAccess layer does the validation. However everytime I get a error like this The specified named con...

2

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Suppose I have a database named MyDatabase which has two tables - MyTable1 and MyTable2. Using the Code First approach with Entity Framework 4.x and .NET 4, I have generated a context named MyDatab...

1

Apart from auto mapping CLR Classes to EDM models, what are the advantages or use-cases for the ODataConventionModelBuilder ? What specific set of pains does it make go away? With sample code if p...

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in our current project we are using ADO.NET Entity Framework as data layer for the application. There are some tasks which require to run in a transaction because there's a lot of work to do in the...
Patentee asked 23/10, 2009 at 7:52

1

model-defined functions are discussed here: https://msdn.microsoft.com/en-us/library/vstudio/dd456857(v=vs.110).aspx https://msdn.microsoft.com/en-us/library/dd456812.aspx Entity Framework 6 Code...
Evolution asked 8/4, 2015 at 0:43

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