用户控件添加了自定义事件和属性
using System;using System.Collections.Generic;using System.Linq;using System.Web;using System.Web.UI;using System.Web.UI.WebControls; namespace AspNet.UserControl.Organization{public partial class OrganizationTree : System.Web.UI.UserControl
{ #region 属?性?public OrganizationEntity CurrentOrganizationEntity
{ get {if (ViewState["CurrentOrganizationEntity"] != null)
{ //ViewState["CurrentOrganizationEntity"] = new T_BD_OrganizationEntity();return (OrganizationEntity)ViewState["CurrentOrganizationEntity"];
}
else { //ViewState["CurrentOrganizationEntity"]if (this.TVOrganization.Nodes.Count > 0)
{OrganizationEntity entity=new OrganizationEntity();
entity.OrganizationID = new Guid(this.TVOrganization.Nodes[0].Value);
return entity;}
}
return null;}
set { ViewState["CurrentOrganizationEntity"] = value; }
}
public List<string> SelectedOrganization
{ get {if (ViewState["SelectedOrganization"] != null)
{return (List<string>)ViewState["SelectedOrganization"];
}
if (ShowCheckbox) {List<string> list = new List<string>();
// string str = string.Empty;foreach (TreeNode item in this.TVOrganization.CheckedNodes)
{ if (item.Checked) {list.Add(item.Value);
// str += item.Text+";"; }}
// Label1.Text = str;return list;
}
return new List<string>();
}
set { ViewState["SelectedOrganization"] = value; }
}
public bool ShowCheckbox { get {if (ViewState["ShowCheckbox"] != null)
{return (bool)ViewState["ShowCheckbox"];
}
return false;}
set {ViewState["ShowCheckbox"] = value;
}
}
#endregion 属?性? #region 事?件tpublic event EventHandler TreeSelectedNodeChangedEvent;//事?件t
#endregion 事?件t
protected void Page_Load(object sender, EventArgs e)
{ if (!Page.IsPostBack) {InitTree();
}
}
#region 递Y归é绑ó定¨ private void InitTree() {TVOrganization.Nodes.Clear();
if (this.ShowCheckbox)
{ TVOrganization.ShowCheckBoxes = TreeNodeTypes.All;}
else { TVOrganization.ShowCheckBoxes = TreeNodeTypes.None;}
//DataTable dt = GetTreeViewTable();OrganizationBLL OrganizationBLL = new OrganizationBLL();
OrganizationSearchEntity searchEntity = new OrganizationSearchEntity();
searchEntity .StateID = 0;
IList<OrganizationEntity> iList = OrganizationBLL.GetAllEntities(searchEntity );
IList<OrganizationEntity> itemList = iList.Where(p => （p).OrganizationTypeID == 0).ToList<OrganizationEntity>();
foreach (OrganizationEntity item in itemList)
{TreeNode node = new TreeNode();
node.Text = item.OrganizationCName;
node.Value = item.OrganizationID.ToString();
TVOrganization.Nodes.Add(node);
AddTreeNode(iList, node);
}
}
private void AddTreeNode(IList<OrganizationEntity> list, TreeNode node)
{IList<OrganizationEntity> itemList = list.Where(t => ((OrganizationEntity)t).FatherOrganizationID.ToString() == node.Value).ToList<OrganizationEntity>();
foreach (OrganizationEntity item in itemList)
{TreeNode childNode = new TreeNode();
childNode.Text = item.OrganizationCName;
childNode.Value = item.OrganizationID.ToString();
//childNode.Expanded = false; node.ChildNodes.Add(childNode);AddTreeNode(list, childNode);
}
}
#endregion 递Y归é绑ó定¨ #region Treeview 事?件tprotected void TVOrganization_SelectedNodeChanged(object sender, EventArgs e)
{OrganizationEntity entity = new OrganizationEntity();
entity.OrganizationID = new Guid(this.TVOrganization.SelectedNode.Value);
this.CurrentOrganizationEntity = entity;if (TreeSelectedNodeChangedEvent != null)
{ TreeSelectedNodeChangedEvent(this, e);}
}
#endregion Treeview 事?件t #region setCheck/uncheckpublic void SetCheck(List<string> listSource)
{SetUnCheckAll();
//foreach (string itemStr in listSource) //{foreach (TreeNode item in TVOrganization.Nodes)
{SetCheckSource(item, listSource);
// if(item.Value==itemStr) //SetCheckbox(item, true); } //} } public void SetUnCheckAll() {foreach (TreeNode item in TVOrganization.Nodes)
{ SetCheckbox(item, false);}
}
private void SetCheckbox(TreeNode node,bool check)
{node.Checked = check;
foreach (TreeNode item in node.ChildNodes)
{item.Checked = check;
if (item.ChildNodes.Count > 0) {SetCheckbox(item, check);
}
}
}
private void SetCheckSource(TreeNode node, List<string> listSource)
{foreach (var itemStr in listSource)
{ if (node.Value == itemStr) { node.Checked = true; break;}
}
foreach (TreeNode item in node.ChildNodes)
{foreach (var itemStr in listSource)
{ if (item.Value == itemStr) { item.Checked = true; break;}
}
if (item.ChildNodes.Count > 0) {SetCheckSource(item, listSource);
}
}
}
#endregion setCheck/uncheck}
}