ExtractDataFromDatabase_ConnectionString.cs

string connectionString = string.Format("Provider=System.Data.Sqlite;Data Source={0};Version=3;", "sqlite.db");

ExtractDataFromDatabase_GetDataFromTables.cs

// Iterate over tables
foreach (TocItem i in toc)
{
    // Print the table name
    Console.WriteLine(i.Text);
    // Extract a table content as a text
    using (TextReader reader = parser.GetText(i.PageIndex.Value))
    {
          Console.WriteLine(reader.ReadToEnd());
    }
}

ExtractDataFromDatabase_GetTableList.cs

// Get a list of tables
IEnumerable<TocItem> toc = parser.GetToc();

ExtractDataFromDatabase_LoadDatabase.cs

using (Parser parser = new Parser(connectionString, new LoadOptions(FileFormat.Database)))
{
   // your code goes here
}

ExtractDataFromDatabase_Namespaces.cs

using System;
using System.Collections.Generic;
using System.IO;
using GroupDocs.Parser.Data;
using GroupDocs.Parser.Options;

ExtractDataFromDatabaseFile.cs

string connectionString = string.Format("Provider=System.Data.Sqlite;Data Source={0};Version=3;", "sqlite.db");
// Create an instance of Parser class to extract tables from the database.
// Connection string is passed as first parameter and LoadOptions is set to Database file format.
using (Parser parser = new Parser(connectionString, new LoadOptions(FileFormat.Database)))
{
	// Get a list of tables
	IEnumerable<TocItem> toc = parser.GetToc();
	// Iterate over tables
	foreach (TocItem i in toc)
	{
		// Print the table name
		Console.WriteLine(i.Text);
		// Extract a table content as a text
		using (TextReader reader = parser.GetText(i.PageIndex.Value))
		{
			Console.WriteLine(reader.ReadToEnd());
		}
	}
}