当前位置: 首页 > 图文教程 > 网络编程 > ASP > 制作一个简单的服务器端控制

ASP
Server Application Error错误解决思路
ASP教程:在IIS环境下自己设置404页面
ASP代码出现80040e14错误的解决方法
Http_Referer,Server_Name和Http_Host
HTTP_X_FORWARDED_FOR和REMOTE_ADDR
总结的Server.Mappath的用法
巧用ASP脚本命令重启服务器
实现数字字符串的最大值、最小值和平均值
详解ASP脚本的执行顺序
理解认识阿里妈妈淘客系统对外接口通用规范
网站开发者参考:开源ASP网站源码
IIS管理程序Adsutil.vbs修改FTP服务器的PASV端口范围
ASP程序中调用函数Now()异常的问题
流量大的网站不要选择万能空间
网站挂马方式大总结
启动 W3SVC 服务报错怎么解决
Vista系统安装IIS7配置ASP运行环境
Server Application Error 8004EOOF错误
ASP不用模板直接简单生成HTML页面
ASP教程:gb2312和utf-8乱码问题解决

ASP 中的 制作一个简单的服务器端控制


出处:互联网   整理: 软晨网(RuanChen.com)   发布: 2009-11-03   浏览: 185 ::
收藏到网摘: n/a

  2000082805.aspx
-------------------------------------------------------------
<%@ Register TagPrefix="CJ" Namespace="cjServerControls" %>
<html>
  <head>
  </head>
  <body>

    <form method="post" action="2000082605.aspx" runat="server">
<CJ:xmlDocReader  listText="au_id" listValue="au_id" runat="server"
path="C:\Inetpub\wwwroot\myASP\tutorials\authors.xml" />
    </form>

  </body>
</html>


2000082805a.cs
-------------------------------------------------------------
using System;
using System.Data;
using System.IO;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace cjServerControls
{
public class xmlDocReader : Control, INamingContainer
{
string _xmlPath;
string _listID;
string _listValue;

public string Path
{
get { return _xmlPath; }
set { _xmlPath = value; }
}

public string listText
{
get { return _listID; }
set { _listID = value; }
}

public string listValue
{
get {return _listValue; }
set {_listValue = value; }
}

//Were are creating a member here so we can access it throughout the class
DropDownList _DDL;
DataGrid _DG;
FileStream fs;
StreamReader sr;
DataSet ds;
protected override void PreRender()
{
if (Page.IsPostBack) {
DataView dv = new DataView(ds.Tables[0]);
dv.RowFilter = listValue + "='" + _DDL.SelectedItem.Text + "'";
_DG = new DataGrid();
_DG.DataSource = dv;
_DG.DataBind();
Controls.Add(_DG);
}
}


protected override void CreateChildControls()
{
fs = new FileStream(Path, FileMode.Open, FileAccess.Read);
sr = new StreamReader(fs);
ds = new DataSet();
ds.ReadXml(sr);
fs.Close();

_DDL = new DropDownList();
_DDL.DataTextField = listText;
_DDL.DataValueField = listValue;
_DDL.AutoPostBack = true;
_DDL.DataSource = ds.Tables[0].DefaultView;
_DDL.DataBind();
Controls.Add(_DDL);


}
}
}

authors.xml
-------------------------------------------------------------
<root>
<schema id="DocumentElement" targetNamespace="" xmlns="http://www.w3.org/1999/XMLSchema"
xmlns:xdo="urn:schemas-microsoft-com:xml-xdo" xdo:DataSetName="DocumentElement">
    <element name="Table">
        <complexType content="elementOnly">
            <element name="au_id" type="string"></element>
            <element name="au_lname" type="string"></element>
            <element name="au_fname" type="string"></element>
            <element name="phone" type="string"></element>
            <elem