private void InitializeDataSource()
{
// check the current entity if viewing on an entity page
int id = ID_NOT_DEFINED;
if (HasDefinedInQueryString(out id) ||
HasDefinedInProfile(out id))
{
ProductMappingLinkItem selectedEntity = ProductMappingLinkItem.Find(id, this.EntityType);
if (selectedEntity != null)
{
selectedEntity.LoadChildren();
this.DataSource = LinkItemCollection.BuildFrom(selectedEntity, selectedEntity.Type);
return;
}
}
// by default load the root level entities
this.DataSource = LinkItemCollection.GetAllFirstLevel(this.EntityType, this.MaxMenuSize, Customer.Current.LocaleSetting);
}