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SQLiteConnection cnn = new SQLiteConnection();
            cnn.ConnectionString = @"Data Source=C:\Program Files\SharpPlus\SqliteDev\myFirstDB";
            cnn.Open();

            SQLiteCommand cmd = new SQLiteCommand();
            cmd.Connection = cnn;

            cmd.CommandText = "select * from maintable";
            SQLiteDataAdapter da = new SQLiteDataAdapter();
            da.SelectCommand = cmd;
            DataSet ds = new DataSet();
            da.Fill(ds);
            this.dataGridView1.DataSource = ds.Tables[0];


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SELECT a1.FileID AS FileID, SUM( a1.Count + a2.Count + a3.Count + a4.Count ) AS Count
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