Follow Additional Requirements (usage of libraries, ORM frameworks, providers, etc.)

[martin-nikolov]

• Your main program logic should be a C# application (a set of modules, executed sequentially one after another).
• Use non-commercial library to read the ZIP file. - DotNetZip Library
• For reading the Excel 2003 files (.xls) use ADO.NET (without ORM or third-party libraries).
• MySQL should be accessed through OpenAccess ORM (research it).
• SQL Server should be accessed through Entity Framework.
• You are free to use "code first" or "database first" approach or both for the ORM frameworks. - "Code First" + "Database First"
• For the PDF export use a non-commercial third party framework.
• The XML files should be read / written through the standard .NET parsers (by your choice).
• For JSON serializations use a non-commercial library / framework of your choice.
• MongoDB should be accessed through the Official MongoDB C# Driver.
• The SQLite embedded database should be accesses though its Entity Framework provider.
• For creating the Excel 2007 files (.xlsx) use a third-party non-commercial library.
• Try to following best principles (High-Quality Code, Fundamental Programming Principles, Design Patterns)

[martin-nikolov]

Download Microsoft Access Database Engine 2010 Redistributable.