java - Jtable does not refresh after inserting a new data -


here iam trying search prodcuts jtable.but problem is,the new search results getting added under previous search results , not updating jtable used firetabledatachanged() method.

here code

    @override         public void actionperformed(actionevent e) {          system.out.println("im in createiban values: " +combobox.getselecteditem()+ " , " + textfield.gettext());       if(combobox.getselecteditem().tostring().equals("serial no"))       {             system.out.println("0");            string cmb=textfield.gettext().tostring();   try{       con=    (connection) connect.connectdb();        string sql="select * stocks serial=?";       pst =   (preparedstatement) con.preparestatement(sql);       pst.setstring(1, cmb);       rs=pst.executequery();        model = (defaulttablemodel) jt.getmodel();         model.firetabledatachanged();            **//here used method**     while(rs.next()) {              dt = rs.getstring("date");             mdt = rs.getstring("mdate");             srn = rs.getstring("serial");             mod = rs.getstring("model");              cap = rs.getstring("capacity");             inv = rs.getstring("invoice");             amt = rs.getstring("amount");              int i;             for(i=0; i<model.getrowcount(); i++){                 {}             }           jt.repaint();           model.firetabledatachanged();       **//here used method**           model.addrow(new object[]{i+1,mod,cap,dt,mdt,srn,inv,amt});            joptionpane.showmessagedialog(this,"succesfully stored","user",joptionpane.information_message);             }   }     catch (classnotfoundexception ex) {         logger.getlogger(viewstock.class.getname()).log(level.severe, null, ex);     }   catch(sqlexception ex){        system.out.print(ex);      }

hai guys found solution that,it use full people seeking type of question's answer,so post code here

just make method called reset() inside 

  defaulttablemodel model;   model = (defaulttablemodel) jtable1.getmodel();   void reset()  { for(int i=model.getrowcount()-1; i>=0;i--) {     model.removerow(i);  }  }

and call reset method anywhere want,it work fine simple codes,good luck


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