Warning: this will delete all your databases located in MSSQLLocalDB. Proceed with caution. The following command through sqllocaldb utility works for me. sqllocaldb stop mssqllocaldb sqllocaldb delete mssqllocaldb sqllocaldb start “MSSQLLocalDB” After that I restarted the sql server management studio, and it is successfully established connection through (LocalDB)\MSSQLLocalDB
I had the same issue today recently installing VS2015 Community Edition Update 1. I fixed the problem by just adding the “SQL Server Data Tools” from the VS2015 setup installer… When I ran the installer the first time I selected the “Custom” installation type instead of the “Default”. I wanted to see what install options … Read more
OK, I think I have found the answer to my own question. (It was buried under the tabs on the SS Express product page.) Here is a summary of the distinctives of LocalDB I found on that page: LocalDB is a lightweight deployment option for SQL Server Express Edition with fewer prerequisites and quicker installation. … Read more
Try: AppDomain.CurrentDomain.SetData( “DataDirectory”, Path.Combine(AppDomain.CurrentDomain.BaseDirectory, “”)); This will Create Db File on /bin/Debug/yourdbname.mdf
The (localdb)\ProjectsV12 and (localdb)\ProjectsV13 instances are created by SQL Server Data Tools (SSDT) and should not be used by applications (localdb)\MSSQLLocalDB is the SQL Server Express 2014/2016 LocalDB default instance name and an “automatic instance”. You can use the sqllocaldb.exe command line tool to manage which version (2014 or 2016) owns the MSSqlLocaldb instance And … Read more
Requires .NET framework 4 updated to at least 4.0.2. If you have 4.0.2, then you should have HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft.NETFramework\v4.0.30319\SKUs.NETFramework,Version=v4.0.2 If you have installed latest VS 2012 chances are that you already have 4.0.2. Just verify first. Next you need to have an instance of LocalDb. By default you have an instance whose name is a single … Read more
LocalDB was introduced in SQL Server 2012 CTP3. It’s basically a new version of SQL Express, with same functionality, dedicated to developers. So you don’t need to install any SQL server. If you have installed SQL 2012 or Visual Studio 11 then you already have it, and it runs over .Net 4 or higher. If … Read more
If you delete the DB file, it still stays registered with SqlLocalDB. Sometimes it fixes it to delete the DB. You can do this from the command line. Open the “Developer Command Propmpt for VisualStudio” under your start/programs menu. Run the following commands: sqllocaldb.exe stop v11.0 sqllocaldb.exe delete v11.0
For the full list of all of the connection string keywords, including those that are entirely synonymous, please refer to the SqlConnection.ConnectionString documentation: These are all entirely equivalent: Data Source Server Address Addr Network Address
Maybe you have to execute the following in the Visual Studio Tools command prompt: aspnet_regiis -i You can read more about the ASP.NET IIS Registration Tool (Aspnet_regiis.exe) here.