private void button4_Click_2(object sender, EventArgs e)
        {

            
            Int32 Max_Value = 0;
        //    string SQLString = "SELECT MAX (BollaID) AS Max_Value FROM movie";
            OleDbConnection con = new OleDbConnection(Connection_DB);

            OleDbCommand com = new OleDbCommand("SELECT MAX (BollaID) AS Max_Value FROM movie", con);
             
            label2.Text = Convert.ToString(com);

        }