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Asked: 2026-06-16T21:56:09+00:00

I’m trying to work out how to use ADO.Net Sqlite in VS2012 Express with

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I’m trying to work out how to use ADO.Net Sqlite in VS2012 Express with no luck.

Things im doing from begining:

  1. Starting new project and installing “System.Data.SQLite (x86/x64)” via NuGet for solution.
  2. Adding using System.Data.SQLite; to directives.

  3. Writing simple code like:

    SQLiteConnection sql_sck = new SQLiteConnection(“Data Source=test.sqlite;Version=3;New=False;Compress=True;”);

Everything seems to look okay, VS recognize class names and changes their colors. However after running the program, in the sql_sck… line, exception is raised – about missing dll ?

An unhandled exception of type 'System.DllNotFoundException' occurred in System.Data.SQLite.dll
Additional information: Could not load DLL 'SQLite.Interop.dll': Could not find specified module. (Exception HRESULT: 0x8007007E)

Any ideas how can I make this work ? Is there anything I’ve done wrong / any steps missing ?

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1 Answer

  1. Editorial Team

    Somewhere Visual Studio will have created SQLite.Interop.DLL. You need to find that DLL and copy it to the same directory as your application’s executable.

    I usually add Interop DLLs to my project as a reference and flag them for copying to the output directory in order to ensure that others that use the projects don’t forget the manual step.

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