I am using Visual Studio 2019 and SQL Server Management Studio 2019. I have created a database
Now, by using the database-first approach, I am trying to add the model but It's not showing the database.
I have also tried to change the data source to other but still, it's not showing my database
Any help would be highly appreciated.
Try the server name with SQLExpress too
i.e. Desktop-HFI8QQ8\SQLexpress
Related
Context : I'm creating a web app (in ASP.NET MVC 4) that will offer access to an already existing Oracle database. I'll only need to be able to read data from that DB, no insert, or update, etc. I'm working in Visual Studio Express 2015 for Web.
I've searched a lot for answers to my problems, but to no avail.
My goal is to create models with Entity Framework Database first. I have added Entity Framework, Oracle.ManagedDataAccess, and Oracle.ManagedDataAccess.EntityFramework to my project with NuGet.
However, when I try to add an "ADO.NET Entity Data Model" to my Models, whether I select "EF Designer from database" or "Code First from database", I get the following:
What am I missing ?
I've found resources saying I need to install Oracle Developer Tools for Visual Studio. However, it is not supported in Visual Studio Express, and I cannot change my IDE.
I don't have Oracle client installed on this dev computer, but I sqldeveloper, and have no issue accessing the database with it. Do I NEED to install the Oracle client ? Aren't the dll installed throught NuGet enough ? I'm asking because I'm an intern, and installing any new piece of software requires validation, that takes quite a long time.
add connection your database to your project
Insert New Item an Empty Dataset
In that dataset insert TableAdapter from toolbox into your dataset.
window pops up for selecting tables (you can write sql for select a desired table)
after step 4. you have your entity.
I have the same bug and I fix like this:
You need instal:
Microsoft Visual Studio 2015 or later with .NET Framework 4.5 or later.
Oracle Database 12c or later.
Oracle Data Access Components (ODAC) 12c Release 3 (12.1.0.2.1) or later from OTN. The ODAC download includes Oracle Developer Tools for Visual Studio and ODP.NET
Files required for this tutorial.
Using NuGet to Install and Configure Oracle Data Provider for .NET tutorial.(install: Oracle.ManagedDataAccess.EntityFramework from Nuget).
refer: http://www.oracle.com/webfolder/technetwork/tutorials/obe/db/dotnet/2015/entityframework_linq_modelfirst/Entity%20Framework%20LINQ%20and%20Model%20First.html#overview
I do have a serious problem , I can automate to create data tables ( included AspNetRoles/AspNetUsers/AspNetUserRoles/AspNEtUserLogins etc..) in Visual Studio 2015 with MSSQL/MySQL but how can I use Oracle to do the same thing, please do me a favor to give me solutions or any slight club.
From a different piece of software I have been working with in the past I had this same issue when I was lacking the Oracle ODBC drivers on the machine trying to connect to this database.
Could this maybe be the same problem you have here? In that case you would need to install the Orable ODBC connectors and then recreate the tables.
I am having a problem with Visual Studio 2013.
I start by creating a new project, a ASP.NET Web Application MVC. Then when i try to add a ADO.NET Entity Data Model i get this error:
I had this problem before, but i updated Windows Server, which im using, and Visual Studio too, and it stay good. But now i updated a Sql Server Tools in VS, and this error appears again.
This all happened because i am having a problem, which is, when i try to add a ADO.NET Entity Data Model the wizard closes at the middle of the process. I have searched inumerous posts here on StackOverflow but nothing resolved.
I am using .Net Framework 4.5 and Entity Framework 6
If somebody could help i would be eternally grateful
Ok, the error is gone, i just removed the Update 5 from Visual Studio and it's fine now.
But now there is the other error, when i try to create a ADO.NET Entity Data Model, at the middle of the process, the wizard just closes and the Model it's not created.
Any suggestions?
I am Using Visual studio 2010 Ultimate edition registered version and want to develop ASP MVC 3.0 Project.
I need to include database in Asp_Data folder.I want to use .sdf version SQL server 2005,But when I use
Data tab at--> Add New Item(By clicking at solution explorer)--> It shows .mdf format only.
I am Using SQL Server 2005.
I installed SSCERuntime_x86-ENU.exe 4.0(Microsoft SQL Server Compact 4.0 Setup)
Can anyone tell me how to get .sdf format of SQL Server 2005 in Data tab of Add new Item
You have to create the SDF file using the Server Explorer -> Connect to Database in VS 2010.
You need to install sql server compact 4.0 local database. Here's the link that will guide you to it. Walkthrough: Working with SQL Server Compact in Visual Studio
We recently upgraded a major application to Visual Studio 2010.
Unfortunately, we are still using several database servers that are still running SQL Server 2000 (8.0.2055 to be precise).
According to this article (Link), "Since mainstream support for SQL Server 2000 ended on 04/08/2008, Visual Studio 2010 will only support debugging SQL Server 2005 and SQL Server 2008.
We have a lot of stored procedures that we keep in Source Control and execute them from within Visual Studio whenever we need to update them.
Is there any way around this restriction? 3rd-party tool, anything.
While researching this, I saw a few sites that indicate an ODBC connection could be used to get to the SQL2000 box. I was able to create a System DSN and then a Data Connection within VS2010, but am unable to connect to it.
Any help would be greatly appreciated.
Thanks.
Chris
The only way I've found so far is to extract our data library out of the project and keep it in VS 2008 targeted at 3.5 while we're building it. Once it's complete and ready, we open up the primary project in VS 2010, check out the changed files and then use the file system to copy the changed files over.
We then keep the supplementary 3.5 project in source control parallel to the primary project.
They will still build and function in .Net 4.0, but we have found that the IDE will not accept any connections or commands to them.