类似 MSDN 导航树效果 ASP.Net(C#) + JavaScript 实现! (转)[@more@]

测试站点:
do .NET/tree/webFORM1.ASPx">http://www.triaton.com.cn/../dotnet/tree/WebFORM1.aspx

虽然号称 .net 了!
但实际还是传统 CGI、ASP 的思想,没有使用Codebehind="WebFORM1.aspx.cs",仍然采取了 B/S 混合(HTML/C#)脚本的方式:

<%@ Page language="c#" Codebehind="WebFORM1.aspx.cs" AutoEventWireup="false" Inherits="WebApplication5.WebFORM1" %>
w3c//DTD HTML 4.0 Transitional//EN" >

WebFORM1
microsoft Visual Studio 7.0">

Javascript">
intellisense/IE5">

RM id="FORM1" method="post" runat="server">

<%
System.Data.Oledb.OleDbConnection oleDbConnection1 = new System.Data.OleDb.OleDbConnection();
oleDbConnection1.ConnectionString =@"Provider=sqlOLEDB.1;Persist Security Info=False;User ID=sa;Initial Catalog=Test;Data source=TRIATONPSQL2KE";
oleDbConnection1.ConnectionString =@"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + Server.MapPath("/dvbbs") + @"Tree.mdb;Persist Security Info=False";
oleDbConnection1.Open();
System.Data.OleDb.OleDbCommand OleDbCommand1 = new System.Data.OleDb.OleDbCommand("select *,(select count(*) from tree where parentid = T.id) as children from tree T where rootid = id",oleDbConnection1) ;
System.Data.OleDb.OleDbDataReader OleDbDataReader1 = OleDbCommand1.ExecuteReader();
int i = 0;
while (OleDbDataReader1.Read())
{
%>

<%if (System.Convert.ToInt64(OleDbDataReader1["children"])>0) {%>
onClick='ExpandNode(Node_<% = i %>,<% =OleDbDataReader1["id"] %>)'>+
<%;}
else {%>
>-<% ;}%>
<%if (System.Convert.ToInt64(OleDbDataReader1["children"])>0)
{%>
onDblClick='ExpandNode(Node_<% = i %>,<% =OleDbDataReader1["children"]%>)'
<%} %>
>
<% =OleDbDataReader1["children"]%>

<%
i++;
}

%>

<%@ Page language="c#" Codebehind="WebFORM2.aspx.cs" AutoEventWireup="false" Inherits="WebApplication5.WebFORM2" %>

WebFORM2

Javascript">

<%
string ParentNode;
ParentNode = Request.QueryString["pnode"];
//Response.Write(ParentNode.Replace("_",""));
int i;
int j;
string nSpace="";
j= ParentNode.Length - ParentNode.Replace("_","").Length;
for (i=0;i nSpace = nSpace + " ";
string sHTML ="";
i=0;
System.Data.OleDb.OleDbConnection oleDbConnection1 = new System.Data.OleDb.OleDbConnection();
oleDbConnection1.ConnectionString =@"Provider=SQLOLEDB.1;Persist Security Info=False;User ID=sa;Initial Catalog=Test;Data Source=TRIATONPSQL2KE";
oleDbConnection1.ConnectionString =@"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + Server.MapPath("/dvbbs") + @"Tree.mdb;Persist Security Info=False";
oleDbConnection1.Open();
System.Data.OleDb.OleDbCommand OleDbCommand1 = new System.Data.OleDb.OleDbCommand("select *,(select count(*) from tree where parentid =T.id ) as Children from tree T where parentid = " + Request.QueryString["PID"],oleDbConnection1) ;
System.Data.OleDb.OleDbDataReader OleDbDataReader1 = OleDbCommand1.ExecuteReader();
while (OleDbDataReader1.Read())
{
sHTML = sHTML + "

" + nSpace + " if (System.Convert.ToInt64(OleDbDataReader1["children"])>0)
sHTML = sHTML + " onClick='ExpandNode(" + ParentNode + "_" + (i + 1).ToString() + "," + OleDbDataReader1["id"] + ")'>+";
else
sHTML = sHTML + ">-";
sHTML = sHTML + "n" + " if (System.Convert.ToInt64(OleDbDataReader1["children"])>0)
sHTML = sHTML + " onDblClick='ExpandNode(" + ParentNode + "_" + (i + 1).ToString() + "," + OleDbDataReader1["id"] + ")'";
sHTML = sHTML + ">" + OleDbDataReader1["id"] + ": " + OleDbDataReader1["remark"] + "

";
if (System.Convert.ToInt64(OleDbDataReader1["children"])>0)
sHTML = sHTML + "";
i++;
}
Response.Write(sHTML);
%>

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类似 MSDN 导航树效果 ASP.Net(C#) + JavaScript 实现! (转)

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