private void PopulateNodes1(TreeNodeCollection nodes, int parent)
{
ZhuJi.Portal.IDAL.IChannel channel = ZhuJi.AOP.Operator.WrapInterface(typeof(ZhuJi.Portal.NHibernateDAL.Channel)) as ZhuJi.Portal.IDAL.IChannel;
IList <ZhuJi.Portal.Domain.Channel> list = channel.GetObjects();
ZhuJi.Portal.Domain.ChannelCollection channels = new ZhuJi.Portal.Domain.ChannelCollection();
DataTable dt = channels.CreateDateTable(list);
DataRow[] drs = dt.Select(string.Format("[Parent] = {0}", parent));
if (drs.Length == 0)
{
return;
}
else
{
foreach (DataRow dr in drs)
{
TreeNode tn = new TreeNode();
tn.Text = dr["Title"].ToString();
tn.Value = dr["Id"].ToString();
if (dt.Select(string.Format("[Parent] = {0}", tn.Value)).Length > 0)
{
tn.PopulateOnDemand = true;
}
tn.NavigateUrl = string.Format("ContentItem.aspx?ChannelId={0}", dr["Id"]);
nodes.Add(tn);
}
}
}
/// <summary>
/// 从持久性存储区加载站点地图信息，并在内存中构建它。
/// </summary>
/// <returns>站点地图导航结构的根 SiteMapNode</returns>
public override SiteMapNode BuildSiteMap()
{
lock (_lock)
{
// 单例模式的实现
if (_node != null)
{
return(_node);
}
try
{
ZhuJi.Portal.IDAL.IChannel channel = ZhuJi.AOP.Operator.WrapInterface(typeof(ZhuJi.Portal.NHibernateDAL.Channel)) as ZhuJi.Portal.IDAL.IChannel;
IList <ZhuJi.Portal.Domain.Channel> list = channel.GetObjects("from Channel");
if (list.Count > 0)
{
// 把第一条记录作为根节点添加
_node = new SiteMapNode(this, "0", "/", "首页", "首页");
_nodes.Add(0, _node);
AddNode(_node, null);
// 构造节点树
for (int i = 0; i < list.Count; i++)
{
// 在站点地图中增加一个节点
SiteMapNode node = CreateSiteMapNode(list[i]);
AddNode(node, GetParentNode(list[i]));
}
}
}
catch (Exception ex)
{
throw (ex);
}
// 返回SiteMapNode
return(_node);
}
}
private void PopulateNodes(TreeNodeCollection nodes, int parent)
{
try
{
ZhuJi.Portal.IDAL.IChannel channel = ZhuJi.AOP.Operator.WrapInterface(typeof(ZhuJi.Portal.NHibernateDAL.Channel)) as ZhuJi.Portal.IDAL.IChannel;
IList <ZhuJi.Portal.Domain.Channel> list = channel.GetObjects();
ZhuJi.Portal.Domain.ChannelCollection channels = new ZhuJi.Portal.Domain.ChannelCollection();
DataTable dt = channels.CreateDateTable(list);
DataRow[] drs = dt.Select(string.Format("[Parent] = {0}", parent));
if (drs.Length == 0)
{
return;
}
else
{
foreach (DataRow dr in drs)
{
TreeNode tn = new TreeNode();
tn.Text = string.Format("{0}({1})", dr["Title"].ToString(), dr["Id"].ToString());
tn.Value = dr["Id"].ToString();
if (dt.Select(string.Format("[Parent] = {0}", tn.Value)).Length > 0)
{
tn.PopulateOnDemand = true;
}
tn.SelectAction = TreeNodeSelectAction.Expand;
nodes.Add(tn);
}
}
}
catch (Exception ex)
{
ShowMessage(ex);
}
}