[FIX]Fixed the issue of kanban view show more records, here the ids were not updated in dataset, so it was giving error of id.

bzr revid: msh@tinyerp.com-20120412054134-oen4gir0j93gllp7

addons/web_kanban/static/src/js/kanban.js

@@ -305,6 +305,7 @@ openerp.web_kanban.KanbanGroup = openerp.web.OldWidget.extend({
         this.$records = null;
 
         this.records = [];
+        this.ids = [];
         this.$has_been_started.then(function() {
             self.do_add_records(records);
         });
@@ -347,7 +348,9 @@ openerp.web_kanban.KanbanGroup = openerp.web.OldWidget.extend({
             var rec = new openerp.web_kanban.KanbanRecord(self, record);
             rec.insertBefore(self.$records.find('.oe_kanban_show_more'));
             self.records.push(rec);
+            self.ids.push(rec.id);
         });
+        this.view.dataset.ids = _.union(this.view.dataset.ids, self.ids);
         this.$records.find('.oe_kanban_show_more').toggle(this.records.length < this.dataset.size())
             .find('.oe_kanban_remaining').text(this.dataset.size() - this.records.length);
     },