有XMLHTTP实现无刷新功能[原创]
Rss.aspx.cs
using System;using System.Data;using System.Web;using System.Xml;using System.Web.UI;using System.Web.UI.WebControls;using System.Web.UI.WebControls.WebParts;using System.Web.UI.HtmlControls;using Power.Rss;public partial class Rss : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
ProblemXML xml = new ProblemXML(); string username = ""; string password = ""; string category = "0"; string pageSize = "20"; string pageIndex = "1"; string subModuleID ="0"; XmlDocument doc = new XmlDocument(); try { doc.Load(Request.InputStream);
} catch { xml.PutError(ProblemXML.INPUT_ERROR); return; } if (doc.HasChildNodes) { username = doc.DocumentElement.SelectSingleNode("//username") == null ? "" : doc.DocumentElement.SelectSingleNode("//username").InnerText.Trim(); password = doc.DocumentElement.SelectSingleNode("//password") == null ? "" : doc.DocumentElement.SelectSingleNode("//password").InnerText.Trim(); category = doc.DocumentElement.SelectSingleNode("//category") == null ? "0" : doc.DocumentElement.SelectSingleNode("//category").InnerText; pageSize = doc.DocumentElement.SelectSingleNode("//pageSize") == null ? "20" : doc.DocumentElement.SelectSingleNode("//pageSize").InnerText; pageIndex = doc.DocumentElement.SelectSingleNode("//pageIndex") == null ? "1" : doc.DocumentElement.SelectSingleNode("//pageIndex").InnerText; subModuleID = doc.DocumentElement.SelectSingleNode("//ModuleID") == null ? "0" : doc.DocumentElement.SelectSingleNode("//ModuleID").InnerText; } //验证 if (xml.CheckUser(username, password)) { try { xml.PutProblemXML(Convert.ToUInt32(category), Convert.ToUInt32(pageSize), Convert.ToUInt32(pageIndex), username,subModuleID); } catch(Exception ex) { xml.PutError(ex.Message); } } else { xml.PutError(ProblemXML.INPUT_PASSWORD_ERROR); } }
}
testRss.htm
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml" ><head> <title>XmlHttp测试</title> <script type="text/javascript"> function testxml() { var username = document.getElementById("txtUserName").value; var password = document.getElementById("txtPassword").value; var pageSize = document.getElementById("PageSize").value; var pageIndex =document.getElementById("PageIndex").value; var ModuleID; var category; for(var i = 0 ;i<document.getElementById("SelSubModule").options.length;i++) { if(document.getElementById("SelSubModule").options[i].selected) { var ModuleID = document.getElementById("SelSubModule").options[i].value; } } for(var i=0;i<document.getElementById("SelCategory").options.length;i++) { if(document.getElementById("SelCategory").options[i].selected) { category = document.getElementById("SelCategory").options[i].value; } } var strXML = "<Client>\r\n<FormData>\r\n"; strXML +="<username> " + username + "</username>\r\n"; strXML +="<password>" + password + "</password>\r\n"; strXML +="<category>" + category + "</category>\r\n"; strXML +="<pageSize>" + pageSize + "</pageSize>\r\n"; strXML +="<pageIndex>" + pageIndex +"</pageIndex>\r\n"; strXML +="<ModuleID>" + ModuleID +"</ModuleID>\r\n"; strXML += "</FormData>\r\n</Client>" var xmlhttp = new ActiveXObject("Msxml2.XMLHTTP"); xmlhttp.open('POST','Rss.aspx',false); xmlhttp.send(strXML); if(xmlhttp.readyState == 4) { document.getElementById("div1").innerText= xmlhttp.responseText; } } function GetSubModule() { xmlModule = new ActiveXObject("Msxml2.XMLHTTP"); xmlModule.open("get","Rss_SubModule.aspx",true); xmlModule.onreadystatechange = ShowModule; xmlModule.send(null); } function ShowModule() { if(xmlModule.readyState == 4) { if(xmlModule.status == 200) { var doc = new ActiveXObject("Msxml2.DOMDocument"); doc.loadXML(xmlModule.responseText); var items = doc.getElementsByTagName("SubModule"); for(var i = 0; i < items.length ; i++) { var op = document.createElement("option"); op.value = items[i].getElementsByTagName("SubModuleID")[0].firstChild.nodeValue; var txt = document.createTextNode(items[i].getElementsByTagName("SubModuleName")[0].firstChild.nodeValue); op.appendChild(txt); document.getElementById("SelSubModule").appendChild(op); } } else { alert(xmlModule.statusText); } } } </script></head><body style="font-size:12px" onload="GetSubModule()"> <div> <table border="0" cellpadding="2" cellspacing="1" style="background-color: #a9a9a9"> <tr> <td style="width: 100px; background-color: #ffffff;"> 用户名：</td> <td style="background-color: #ffffff;"> <input id="txtUserName" type="text" /></td> </tr> <tr> <td style="width: 100px; background-color: #ffffff;"> 密 码：</td> <td style="background-color: #ffffff;"> <input id="txtPassword" style="width: 150px" type="password" /></td> </tr> <tr> <td style="width: 100px; background-color: #ffffff;"> 页分大小：</td> <td style="background-color: #ffffff;"> <input id="PageSize" type="text" value="20" /></td> </tr> <tr> <td style="width: 100px; background-color: #ffffff;"> 页分索引：</td> <td style="background-color: #ffffff;"> <input id="PageIndex" type="text" value="1" /></td> </tr> <tr> <td style="width: 100px; background-color: #ffffff;"> 模块节点：</td> <td style="background-color: #ffffff;"> <select id="SelSubModule" style="width: 155px"> <option selected="selected" value="0">全部类型</option> </select> </td> </tr> <tr> <td style="width: 100px; background-color: #ffffff"> 分 类：</td> <td style="background-color: #ffffff"> <select id="SelCategory" style="width: 154px"> <option selected="selected" value="0">全部问题</option> <option value="1">已解决的问题</option> <option value="2">未解决的问题</option> <option value="3">我解决的问题</option> <option value="4">我未解决的问题</option> <option value="5">未回复的问题</option> <option value="6">回复后又修改的问题</option> </select> </td> </tr> <tr> <td colspan="2" style="background-color: #ffffff" align="center"> <input id="Button1" type="button" value="button" onclick="testxml()"/></td> </tr> </table> <div id="div1" style="background-color:#ffffe9 ;"></div> </div></body></html>
