title: how to update database, when a row  deleted Or Added in the smartGwt ListGrid
body: <pre><code>    i want to delete the row from the grid...and changes should reflect
      into my database..Please provide me some idea to do that...
  
  The above code was later updated by me and i already added the data source in which i am initializing the fields. Updated code as follws 
  listgrid = new SigmaListGrid();
  listgrid.setDataSource(screenDS);
  return listgrid;                                                                                                       public 
  SigmaListGrid() {
          setShowFilterEditor(true);
          setHeight100();
          setWidth100();
          setShowRecordComponents(true);
          setShowRecordComponentsByCell(true);
          setCanRemoveRecords(true);
          setShowAllRecords(true);
          setCanResizeFields(true);
          setCanEdit(true);
          setAutoSaveEdits(false);
      }                                                                       
  }
  </code></pre>
  
  <p>===</p>
  
  <p>public class ScreenDataSource extends TPDDataSource {</p>
  
  <pre><code>/**
   * @param id
   */
  public ScreenDataSource(String id) {
      super(id);
      initializeFields();
  }
  
  private void initializeFields() {
  
      DataSourceField pkField = new DataSourceIntegerField(...
      DataSourceField screenName = new DataSourceTextField(.....);
      screenName.setCanEdit(true);
  
      setFields(pkField, screenName;
  }
  
  @Override
  public void clearData() {
      // TODO Auto-generated method stub
  
  }
  /**
   * This method will populate the data
   * @param records
   */
  public void setData(List&lt;ScreenGridRecord&gt; records) {
      clearData();
      for (ScreenGridRecord screenGridRecord : records) {
          addData(screenGridRecord);
      }
  }
  
  
  @Override
  public void setData() {
  
  }   
  </code></pre>
  
  <p>}</p>
  
  <pre><code>Thanks @kimi ,i am adding a new row in list 
  grid by listgrid.startEditingNew(); in newly added row i am inserting new data.Now i want to save the data @ server side .I also used listgrid.saveAllEdits(); but it is not working .            
  </code></pre>