button export to CSv is working.

static/plugin_dbui/src/appgridpaging.js

@@ -44,9 +44,9 @@ App.grid.Paging = Ext.extend(Object, {
                  }, 
                  '->',
                  {
-                    xtype: 'button',
+                    xtype: 'xbuttondownload',
                     text: 'Export to CSV',
-                    listeners: {click: this.onExport}
+                    url: App.csvUrl + '?tableName=' + App.getTableName(grid.store)
                  }
         );
         
@@ -80,13 +80,6 @@ App.grid.Paging = Ext.extend(Object, {
         bbar.moveFirst();
     },
     
-    /**
-     * Handler to export the grid content as a CSV file
-     */
-    onExport: function (button, event) {
-        Ext.Msg.alert('Warning', 'Functionality not yet implemented');
-    },
-    
     /**
      * Handler to initialize the number of rows per page and the number of page
      * the scope is the grid
@@ -97,11 +90,7 @@ App.grid.Paging = Ext.extend(Object, {
             grid = this, 
             nRows = store.getCount(), 
             slider;
-        
-        if (grid.pagingInitialized) {
-            return;
-        }
-        
+                
         bbar = grid.getBottomToolbar();
         bbar.pageSize = nRows;
 
@@ -123,7 +112,7 @@ App.grid.Paging = Ext.extend(Object, {
             slider;
 
         bbar = grid.getBottomToolbar();
-
+        
         slider = bbar.findByType('slider')[0];
         slider.setMaxValue(grid.store.getTotalCount());
         slider.setValue(grid.store.getCount());