User-defined control code is as follows:
Using system;
Using system.Web.ui;
Using system.Web.ui.webcontrols;
Using system.componentmodel;
Using system.io;
Namespace ewfs.cl
{
Public struct stutreenodes, PUBLIC STRUCTREENODES
{
Public String strkey;
Public String strdispval;
Public string strparentKey;
Public String strjavascriptcmd;
}
Public struct stutreenodesicons
{
PUBLIC STRING STRTREECAPTIONCIES
Public String StrtreeContentopenicon;
Public String StrtreeContentCloseicon;
}
Public struct stutreepopmenu
{
Public String strmenuitemimg;
Public String StrmenuItemText;
Public string strmenuitemcmd;
}
[DefaultProperty ("Text"),
ToolboxData ("<{0}: TreeView Runat = Server> ")]]
Public class treeview: system.web.ui.webcontrols.webcontrol
{
Private string m_treecaption; // Title
Private stutreenodes [] m_stutreenodes; // node content
Private stutreenodesicons m_stutreenodesicons; // node icon
Private string m_treechangedpostURL; // The address of the modified tree
Private bool m_treeadddir;
Private bool m_treeerendir;
Private bool m_treedeldir;
PRIVATETREEPOPMENU [] M_STUTREEPOPMENU
PRIVATE STRING M_GOTOID;
Private bool m_treerootpopmenu;
Private system.data.dataset m_dstreenodes;
protected system.web.ui.webcontrols.table treetable;
Public string treegotoid / / positioning ID
{
Get {return m_gotoid;}
Set {m_gotoid = value;}
}
[Bindable (TRUE),
Category ("APPEARANCE"),
DefaultValue (TRUE)]
Public Bool TreerootPopmenu
{
Get {return m_treerootpopmenu;
Set {m_treerootpopmenu = value;
}
[Bindable (TRUE),
Category ("APPEARANCE"),
DEFAULTVALUE ("")]
Public Bool Treeadddir
{
Get {return m_treeadddir;
Set {m_treeadddir = value;
}
Public Bool Treeerendir
{
Get {return m_treeerendir;}
Set {m_treeerendir = value;}}
Public Bool TreeDeldir
{
Get {return m_treedeldir;}
Set {m_treedeldir = value;
}
Public StutreePopmenu [] StutreePopmenu
{
Get {return m_stutreepopmenu;
Set {m_stutreepopmenu = value;
}
Public String TreechangedPostURL
{
Get {return m_treechangedposturl;}
Set {m_treechangedpostURL = value;
}
Public Stutreenodesicons Stutreenodesicons
{
Get {return m_stutreenodesicons;
Set {m_stutreenodesicons = value;
}
Public stutreenodes [] Stutreenodes
{
get
{
Return M_Stutreenodes;
}
set
{
M_Stutreenodes = VALUE;
}
}
Public String Treecaption
{
get
{
Return m_treecaption;
}
set
{
M_Treecaption = Value;
}
}
///
/// Get node content
///
Public system.data.dataset DStreenodes
{
Get {return this.m_dstreenodes;}
set
{
THIS.M_DSTREENODES = VALUE;
Settreenodes ();
}
}
Private void settreenodes ()
{
THIS.M_STUTREENODES = New stutreenodes [m_dstreenodes.tables [0] .rows.count];
For (int i = 0; i { THIS.M_STUTREENODES [I] .strkey = m_dstreenodes.tables [0] .ROWS [I] [0] .tostring (); THIS.M_STUTREENODES [i] .strparentkey = m_dstreenodes.tables [0] .rows [i] [1] .tostring () == "0"? ": m_dstreenodes.tables [0] .rows [i] [1] .Tostring (); This.m_stutreenodes [i] .strdispval = m_dstreenodes.tables [0] .rows [i] [2] .tostring (); THIS.M_STUTREENODES [i] .strjavascriptcmd = m_dstreenodes.tables [0]. ROWS [I] [3] .tostring (); } } /// /// Rendeze this control to the specified output parameter. /// /// HTML writer to be written Protected Override Void CreateChildControls () { System.Web.ui.WebControls.table otb = new table (); System.Web.ui.WebControls.table otb1 = new table (); system.Web.ui.WebControls.tableRow OTR = New TableRow (); System.Web.ui.webcontrols.tablecell odd = new TableCell (); System.Web.ui.WebControls.Unit ou = new unit ("98%"); System.Web.ui.ControlCollection OCC = NULL; System.Web.ui.Control OC1 = NULL; INT I; / / Output JS file
