Error connecting to Oracle db from Asp.net - asp.net

I get an error trying to connect to an Oracle19c database from ASP.NET in Visual Studio 2013 through .NET framework data provider for Oracle.
From where can I download Oracle developer tools for Visual STudio 2013. Please provide link.
Can I connect to Oracle19c database any other way?

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Add oracle database in asp.net (mvc) models

I have to install Oracle Developer tools for Visual Studio 2017
also I have odac 12c and when I try to connect MVC and Oracle, in models do not show Oracle database
https://ibb.co/fG45Jw
VS 2017 Community Edition doesn't support yet with Oracle Developer Tools for Visual Studio.
Refer this article https://community.oracle.com/thread/4009365?start=30&tstart=0

Does visual studio database project(VSDB) replaced by (SQL Sever Data Tool)SSDT

Does visual studio database project(VSDB) replaced by SSDT.
Should I build all future projects in SSDT.
Currently my environment is VS2010 and SQL Server 2012.
Yes. SQL Server Data Tools installs a SQL Server Database Project template which replaces the former database project template. Visual Studio 2010 is supported.

ASP.NET Configuration Tool in Visual Studio 2010

I am trying to enter the security tab of ASP.NET Configuration in Visual Studio 2010. The database aspnetdb has been installed in the SQL server and added to the App_Data folder of the project. When trying to open the security tab this is the error message:
The user instance login flag is not supported on this version of SQL Server. The connection will be closed.
Thanks

how to create database in visual studio 2010 when sql server installed?

I want to create a database(.mdf) within my website. When i try to add sql server database by:
right clicking the project->add new item->Sql Server Database. I get the following error:
I have sql server 2008 installed on my machine and i have been using it to connect to different databases of sql server by going in the "Server Explorer" section of Visual Studio, as shown below:
But when i try to create a database with my website, i am having problems. I am using Visual Studio 2010.
Please help?

Getting Sql Server Data Tools to work with Visual Studio 2012 Express Release Candidate

I'm struggling with migrating to Visual Studio 2012 Express Edition to handle a project that includes a database project with a .dbproj extension. This blog http://visualstudiomagazine.com/blogs/data-driver/2012/06/getting-visual-studio-2012-and-ssdt-to-work-together.aspx gives the impression that with a bit of work this is all basically manageable.
First you have to convert the .dbproj to a .sqlproj in Visual Studio 2010.
I managed to install Visual Studio 2010. This allowed me to convert the .dbproj to a .sqlproj. From there the idea is to install Sql Server Data Tools (http://msdn.microsoft.com/en-us/data/tools.aspx) and open the sqlproj project in Visual Studio 2012, but I was unable to open the sqlproj in Visual Studio 2012.
I've tried the suggested repair from here http://blogs.msdn.com/b/ssdt/archive/2012/06/07/upgrade-issue-to-visual-studio-2012-rc.aspx and also the advice about repairing here http://social.msdn.microsoft.com/Forums/en-US/ssdt/thread/c66c2296-c94e-4f21-993e-7d3090a596a5, but no matter what I do I can't create or open a sqlproj type project in Visual Studio Express 2012 RC for Web. Does anyone know how to resolve this?
UPDATE:
This FAQ http://msdn.microsoft.com/en-us/subscriptions/hh322942.aspx makes it clear that you have to work with an SQL Server Database Project in Visual Studio 2010 Shell not in Visual Studio 2010 or 2012 for Web.
My problem now is that I can create a completely new project by importing SQL scripts manually and going from there, but when I open up the .sqlproj file and try to work with that SQL Server Project I get a lot of spurious errors from Stored Procedures which are in fact perfectly valid.
I got a clear answer from Microsoft here http://social.msdn.microsoft.com/Forums/en-US/ssdt/thread/c66c2296-c94e-4f21-993e-7d3090a596a5
Visual Studio Express 2012 for Web does not support the new Sql Server Data Tools. To work with a database project (converting from the old dbproj or creating a new project from scratch), you have to use Visual Studio 2010 Shell. The errors I got from Stored Procedures were caused because the sql scripts were not properly imported. The old dbproj had the sql scripts in arbitrary folders. The solution was to exclude all sql scripts from the project I had just converted from a dbproj, then re-import the sql scripts. When you do that, the project recognises them and doesn't raise errors.

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