高份求一例！

Question

各们高人！谁发人一份treeview 应用的页面给我啊。 效果像CSDN社区！谢谢啊！

Answer 1

public class OrganiseTree : System.Web.UI.Page
{
protected Microsoft.Web.UI.WebControls.TreeView OrganiseTreeView;

private SqlHelper helper=null;
private void Page_Load(object sender, System.EventArgs e)
{
// 在此处放置用户代码以初始化页面
this.BaseBind();
} private void BaseBind()
{
try
{
if(helper==null)
{
helper=new SqlHelper(System.Configuration.ConfigurationSettings.AppSettings["ConnectionString"]);
helper.Init();
}
SqlOrganiseProvider organise=new SqlOrganiseProvider(helper);
OrganiseInfoCollection collection=organise.LoadDataFromDataBase();
collection=organise.Hiberarchy(collection);
collection=organise.getHiberarchyRootInfos(collection);
TreeRootBind(collection);
}
catch(Exception ex)
{
ex.ToString();
}
} private TreeNode getRsBind()
{
TreeNode node=new TreeNode();
node.Text="公司机构";
node.Target=OrganiseInfoFactory.OrganiseTreeTarget;
node.ImageUrl=OrganiseInfoFactory.OrganImage;
node.NavigateUrl=string.Empty;
return node;
} private void TreeRootBind(OrganiseInfoCollection collection)
{
TreeNode rs=getRsBind();
OrganiseTreeView.Nodes.Add(rs);
TreeNodeCollection trees=rs.Nodes;
OrganiseInfoFactory.getInstance().setAllUrl("EmpManagerByOrganise.aspx");
foreach(OrganiseInfo info in collection)
{
TreeNode node=getTreeNode(info);
if(node!=null)
{
TreeChildBind(node.Nodes,info);
trees.Add(node);
}
}
} private void TreeChildBind(TreeNodeCollection nodes,OrganiseInfo info)
{
if(info==null||(!info.IsChild))
return;
if(nodes==null)
nodes=new TreeNodeCollection();
foreach(OrganiseInfo organise in info.Childs)
{
TreeNode node=getTreeNode(organise);
if(node!=null)
{
if(info.IsChild)
TreeChildBind(node.Nodes,organise);
nodes.Add(node);
}
}
} private TreeNode getTreeNode(OrganiseInfo info)
{
TreeNode node=new TreeNode();
node.ImageUrl=Server.MapPath(OrganiseInfoFactory.getInstance().getImagePath(info.OrganiseType));
node.NavigateUrl=OrganiseInfoFactory.getInstance().getUrl(info.OrganiseType,"id",info.OrganiseID.ToString());
node.Target=OrganiseInfoFactory.OrganiseTreeTarget;
node.Text=info.OrganiseName;
node.ID=info.OrganiseID.ToString();
return node;
}