To load a table from an Access DB using a dataReader

         string ConnString;

         ConnString=@"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\yourPath\yourDB.mdb";
         OleDbConnection myConn = new OleDbConnection(ConnString);

         try
         {  myConn.Open();
            OleDbCommand myCommand = new OleDbCommand("",myConn);

            myCommand.CommandText = "select * from parametri";
            OleDbDataReader myDR = myCommand.ExecuteReader();

            myDR.Read();
            n=myDR.GetInt32(1);
            myDR.Read();
            m=myDR.GetInt32(1);
            myDR.Close();

            myCommand.CommandText = "select * from nodi";
            myDR = myCommand.ExecuteReader();
            while(myDR.Read())
            {  i = myDR.GetInt32(0);
               nodi[i].x=myDR.GetInt32(1);
               nodi[i].y=myDR.GetInt32(2);
               nodi[i].name=myDR.GetString(3);
               archi[i,0]=0;
            }
            myDR.Close();


            myConn.Close();
         }
         catch(OleDbException e1)
         {  MessageBox.Show("Errore:: "+e1.Message);
         }
      }