GXT and Grids

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nessrinovitta

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Jul 29, 2012, 1:55:49 PM7/29/12
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Hi , I'm trying to retreive data fro Data base and put it in a GXT grid , but the problem is that the grid shows wrong values (same value )
help please !
here's my code :
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package org.gonevertical.demo.client;

import com.extjs.gxt.ui.client.widget.LayoutContainer;
import com.google.gwt.core.client.GWT;
import com.google.gwt.user.client.Element;

import java.util.ArrayList; 
import java.util.List; 
import com.extjs.gxt.ui.client.data.BaseListLoader; 
import com.extjs.gxt.ui.client.data.BeanModel; 
import com.extjs.gxt.ui.client.data.BeanModelReader; 
import com.extjs.gxt.ui.client.data.ListLoadResult; 
import com.extjs.gxt.ui.client.data.ListLoader; 
import com.extjs.gxt.ui.client.data.ModelData; 
import com.extjs.gxt.ui.client.data.RpcProxy; 
import com.extjs.gxt.ui.client.store.ListStore; 
import com.extjs.gxt.ui.client.widget.ContentPanel; 
import com.extjs.gxt.ui.client.widget.LayoutContainer; 
import com.extjs.gxt.ui.client.widget.grid.ColumnConfig; 
import com.extjs.gxt.ui.client.widget.grid.ColumnModel; 
import com.extjs.gxt.ui.client.widget.grid.Grid; 
import com.extjs.gxt.ui.client.widget.layout.FitLayout; 
import com.google.gwt.user.client.Element; 
import com.google.gwt.user.client.rpc.AsyncCallback; 

public class BoitierInfoWidget extends LayoutContainer { 
 
  @Override 
  protected void onRender(Element parent, int index) { 
    super.onRender(parent, index); 
    setStyleAttribute("padding", "20px"); 
 
    // gwt service 
    final  RpcCallServiceAsync rpc = (RpcCallServiceAsync) GWT.create(RpcCallService.class);
    // proxy and reader 
    RpcProxy<List<Boitier>> proxy = new RpcProxy<List<Boitier>>() { 
      @Override 
      public void load(Object loadConfig, AsyncCallback<List<Boitier>> callback) { 
        rpc.BoitierInfo(callback); 
      } 
    }; 
    BeanModelReader reader = new BeanModelReader(); 
 
    // loader and store 
    ListLoader<ListLoadResult<ModelData>> loader = new BaseListLoader<ListLoadResult<ModelData>>(proxy, reader); 
    ListStore<BeanModel> store = new ListStore<BeanModel>(loader); 
 
    loader.load(); 
 
    // column model 
    List<ColumnConfig> columns = new ArrayList<ColumnConfig>(); 
    columns.add(new ColumnConfig("id", "Id", 200)); 
    columns.add(new ColumnConfig("mob", "Mob", 100)); 
    columns.add(new ColumnConfig("date", "Date", 50)); 
    ColumnModel cm = new ColumnModel(columns); 
 
    Grid<BeanModel> grid = new Grid<BeanModel>(store, cm); 
   
     
    ContentPanel panel = new ContentPanel(); 
    panel.setHeading("BeanModel Grid Example"); 
    panel.setSize(400, 200); 
     
    panel.setLayout(new FitLayout()); 
    panel.add(grid); 
 
    add(panel); 
  } 
 

------------------------------------------------------------------------------------
public class DemoMySqlConn  implements EntryPoint  {

   

   
    @Override
    public void onModuleLoad() {
        RootPanel.get().add(new BoitierInfoWidget());
    }}
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package org.gonevertical.demo.client;

import java.io.Serializable;

import com.extjs.gxt.ui.client.data.BaseModel;
import com.extjs.gxt.ui.client.data.BaseTreeModel;
import com.extjs.gxt.ui.client.data.BeanModel;
import com.extjs.gxt.ui.client.data.BeanModelMarker;
import com.extjs.gxt.ui.client.data.BeanModelMarker.BEAN;
import com.google.gwt.user.client.rpc.IsSerializable;

/**
 * I use this class to store my mysql recordset in an object that is an array.
 * This will give an example of how I pass data from the server to client in an object,
 * one of my favourites for its simplicity.
 *
 * @author branflake2267
 *
 */
public class Boitier   implements Serializable  {
 
    private int id  ;
    private int mob ;
    private String  Date ;
   
    public Boitier() {

      }
        /**
     *
     */
    public Boitier(int id, int mob , String Date) {
        this.id = id;
        this.mob = mob;
        this.Date = Date;
      }
   
    // fields to store and transfer data
   
    public int getId() {
        return id;
    }
    public void setId(int id) {
        this.id = id;
    }
    public int getMob() {
        return mob;
    }
    public void setMob(int mob) {
        this.mob = mob;
    }
    public String getDate() {
        return Date;
    }
    public void setDate(String date) {
        Date = date;
    }
   

}

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package org.gonevertical.demo.client;

import com.extjs.gxt.ui.client.data.BeanModelMarker;
import com.extjs.gxt.ui.client.data.BeanModelMarker.BEAN;

@ BEAN (Boitier.class)
public interface BoitierBeanModel extends BeanModelMarker {

}
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 public List<Boitier> BoitierInfo(){
            ArrayList <Boitier>  v=new ArrayList<Boitier>  ();
                    Boitier b=new Boitier();
                    Connection connection = getConn();
            System.out.println("v vide: "+v.isEmpty());
            String query = "SELECT id,mob,Date FROM b125;";
            try{
                int lsize= v.size();

                Statement select = connection.createStatement();
                ResultSet result = select.executeQuery(query);


            while (result.next()){
               
             b.setId(result.getInt(1));
            int x = b.getId();
           
                b.setMob(result.getInt(2));
                int y = b.getMob();
                b.setDate(result.getString(3));
           
                  
                            v.add(b);
                         
                                
                          
                       //     System.out.println("la liste est"+  v.get(i));
                          
                          
    }
           

            }
            catch (SQLException exx){
                System.out.println("La sélection de toutes les personnes a échoué");
            }
            return v;
           
        }
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RpcCallServiceImpl.java
@SuppressWarnings("serial")
public class RpcCallServiceImpl extends RemoteServiceServlet implements RpcCallService {

        /**
         * get the books of the bible and info in an object array
         * This is my favorite way to get recordset data
         *
         * @return bibleData (array)
         */
   
    DB_Boitier db = new DB_Boitier();
        public List<Boitier> BoitierInfo() {
              
            List<Boitier> lb = db.BoitierInfo();
             
              
                return lb;
        }
      
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