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            SQLiteConnection connection = new SQLiteConnection();
            connection.ConnectionString = datasource;
            connection.Open();

            SQLiteCommand lesen = new SQLiteCommand("SELECT ID, Mac FROM tbl_Mac_Adresse");
            dataGridView2 = lesen.ToString();
            //this.dataGridView2.
            connection.Dispose();
            connection.Close();					

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SqlConnectionStringBuilder conBuilder = 
           new SqlConnectionStringBuilder(); 
conBuilder.DataSource = "."; 
conBuilder.InitialCatalog = "Northwind"; 
conBuilder.UserID = "Testuser"; 
conBuilder.Password = "26gf28"; 
SqlConnection con = 
           new SqlConnection(conBuilder.ConnectionString);					

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SQLiteConnectionStringBuilder conBuilder = 
           new SQLiteConnectionStringBuilder(); 
conBuilder.DataSource = ".";    // dies alles nach den SQLite-Anforderungen
conBuilder.InitialCatalog = "Northwind"; 
conBuilder.UserID = "Testuser"; 
conBuilder.Password = "26gf28"; 
SQLiteConnection con = 
           new SQLiteConnection(conBuilder.ConnectionString);					

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           string datasource = "D:\\MACDB.s3db";
            SQLiteConnection connection = new SQLiteConnection();
            connection.ConnectionString = "Data Source=" + datasource;
            connection.Open();

            SQLiteCommand lesen = new SQLiteCommand(connection);
            lesen = new SQLiteCommand(connection);
            lesen.CommandText = "SELECT ID, Mac FROM tbl_Mac_Adresse ORDER BY ID DESC LIMITS 0, 1";

            SQLiteDataReader read = lesen.ExecuteReader();// bei dieser zeole kommt eine Errormeldung"
            textBox10.Text = Convert.ToString(read[0]);
            textBox11.Text = Convert.ToString(read[1]);

            read.Dispose();
            read.Close();
            lesen.Dispose();
            connection.Dispose();
            connection.Close();