Ajax实现无刷新三联动下拉框
<div class="postText">http://www.cnblogs.com/images/cnblogs_com/singlepine/XmlHttpdropdownlist.JPG1.html代码
<div style="border-right: #cccccc 1px solid; padding-right: 5px; border-top: #cccccc 1px solid; padding-left: 4px; font-size: 13px; padding-bottom: 4px; border-left: #cccccc 1px solid; width: 98%; padding-top: 4px; border-bottom: #cccccc 1px solid; background-color: #eeeeee;">http://www.cnblogs.com/Images/OutliningIndicators/None.gif<HTML>
http://www.cnblogs.com/Images/OutliningIndicators/None.gif <HEAD>
http://www.cnblogs.com/Images/OutliningIndicators/None.gif <title>Ajax实现无刷新三联动下拉框</title>
http://www.cnblogs.com/Images/OutliningIndicators/None.gif <meta content="Microsoft Visual Studio .NET 7.1" name="GENERATOR">
http://www.cnblogs.com/Images/OutliningIndicators/None.gif <meta content="C#" name="CODE_LANGUAGE">
http://www.cnblogs.com/Images/OutliningIndicators/None.gif <meta content="JavaScript" name="vs_defaultClientScript">
http://www.cnblogs.com/Images/OutliningIndicators/None.gif <meta content="http://schemas.microsoft.com/intellisense/ie5" name="vs_targetSchema">
http://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockStart.gifhttp://www.cnblogs.com/Images/OutliningIndicators/ContractedBlock.gif <SCRIPT language="javascript">http://www.cnblogs.com/Images/dot.gif
http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif //城市------------------------------
http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif function cityResult()
http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gifhttp://www.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif http://www.cnblogs.com/Images/dot.gif{
http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif var city=document.getElementById("DropDownList1");
http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif AjaxMethod.GetCityList(city.value,get_city_Result_CallBack);
http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif }
http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif
http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif function get_city_Result_CallBack(response)
http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gifhttp://www.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif http://www.cnblogs.com/Images/dot.gif{
http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif if (response.value != null)
http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gifhttp://www.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif http://www.cnblogs.com/Images/dot.gif{
http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif //debugger;
http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif document.all("DropDownList2").length=0;
http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif var ds = response.value;
http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif if(ds != null && typeof(ds) == "object" && ds.Tables != null)
http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gifhttp://www.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif http://www.cnblogs.com/Images/dot.gif{
http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif for(var i=0; i<ds.Tables[0].Rows.length; i++)
http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gifhttp://www.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif http://www.cnblogs.com/Images/dot.gif{
http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif var name=ds.Tables[0].Rows.city;
http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif var id=ds.Tables[0].Rows.cityID;
http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif document.all("DropDownList2").options.add(new Option(name,id));
http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif }
http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif }
http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif }
http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif return
http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif }
http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif //市区----------------------------------------
http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif function areaResult()
http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gifhttp://www.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif http://www.cnblogs.com/Images/dot.gif{
http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif var area=document.getElementById("DropDownList2");
http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif AjaxMethod.GetAreaList(area.value,get_area_Result_CallBack);
http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif }
http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif function get_area_Result_CallBack(response)
http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gifhttp://www.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif http://www.cnblogs.com/Images/dot.gif{
http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif if (response.value != null)
http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gifhttp://www.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif http://www.cnblogs.com/Images/dot.gif{
http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif document.all("DropDownList3").length=0;
http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif var ds = response.value;
http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif if(ds != null && typeof(ds) == "object" && ds.Tables != null)
http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gifhttp://www.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif http://www.cnblogs.com/Images/dot.gif{
http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif for(var i=0; i<ds.Tables[0].Rows.length; i++)
http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gifhttp://www.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif http://www.cnblogs.com/Images/dot.gif{
http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif var name=ds.Tables[0].Rows.area;
http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif var id=ds.Tables[0].Rows.areaID;
http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif document.all("DropDownList3").options.add(new Option(name,id));
http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif }
http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif }
http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif }
http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif return
http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif }
http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif function getData()
http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gifhttp://www.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif http://www.cnblogs.com/Images/dot.gif{
http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif var province=document.getElementById("DropDownList1");
http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif var pindex = province.selectedIndex;
http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif var pValue = province.options.value;
http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif var pText = province.options.text;
http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif
http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif var city=document.getElementById("DropDownList2");
http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif var cindex = city.selectedIndex;
http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif var cValue = city.options.value;
http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif var cText = city.options.text;
http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif
http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif var area=document.getElementById("DropDownList3");
http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif var aindex = area.selectedIndex;
http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif var aValue = area.options.value;
http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif var aText = area.options.text;
http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif
http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif var txt=document.getElementById("TextBox1");
http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif
http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif document.getElementById("<%=TextBox1.ClientID%>").innerText="省:"+pValue+"|"+pText+"市:"+cValue+"|"+cText+"区:"+aValue+"|"+aText;
http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif }
http://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockEnd.gif </SCRIPT>
http://www.cnblogs.com/Images/OutliningIndicators/None.gif </HEAD>
http://www.cnblogs.com/Images/OutliningIndicators/None.gif <body ms_positioning="GridLayout">
http://www.cnblogs.com/Images/OutliningIndicators/None.gif <form id="Form1" method="post" runat="server">
http://www.cnblogs.com/Images/OutliningIndicators/None.gif <TABLE id="Table1" style="Z-INDEX: 101; LEFT: 96px; POSITION: absolute; TOP: 32px" cellSpacing="1"
http://www.cnblogs.com/Images/OutliningIndicators/None.gif cellPadding="1" width="300" border="1" bgColor="#ccff66">
http://www.cnblogs.com/Images/OutliningIndicators/None.gif <TR>
http://www.cnblogs.com/Images/OutliningIndicators/None.gif <TD>省市</TD>
http://www.cnblogs.com/Images/OutliningIndicators/None.gif <TD><asp:dropdownlist id="DropDownList1" runat="server"></asp:dropdownlist></TD>
http://www.cnblogs.com/Images/OutliningIndicators/None.gif </TR>
http://www.cnblogs.com/Images/OutliningIndicators/None.gif <TR>
http://www.cnblogs.com/Images/OutliningIndicators/None.gif <TD>城市</TD>
http://www.cnblogs.com/Images/OutliningIndicators/None.gif <TD><asp:dropdownlist id="DropDownList2" runat="server"></asp:dropdownlist></TD>
http://www.cnblogs.com/Images/OutliningIndicators/None.gif </TR>
http://www.cnblogs.com/Images/OutliningIndicators/None.gif <TR>
http://www.cnblogs.com/Images/OutliningIndicators/None.gif <TD>市区</TD>
http://www.cnblogs.com/Images/OutliningIndicators/None.gif <TD><asp:dropdownlist id="DropDownList3" runat="server"></asp:dropdownlist></TD>
http://www.cnblogs.com/Images/OutliningIndicators/None.gif </TR>
http://www.cnblogs.com/Images/OutliningIndicators/None.gif </TABLE>
http://www.cnblogs.com/Images/OutliningIndicators/None.gif <asp:TextBox id="TextBox1" style="Z-INDEX: 102; LEFT: 416px; POSITION: absolute; TOP: 48px" runat="server"
http://www.cnblogs.com/Images/OutliningIndicators/None.gif Width="424px"></asp:TextBox><INPUT style="Z-INDEX: 103; LEFT: 456px; WIDTH: 56px; POSITION: absolute; TOP: 96px; HEIGHT: 24px"
http://www.cnblogs.com/Images/OutliningIndicators/None.gif type="button" value="test" onclick="getData();">
http://www.cnblogs.com/Images/OutliningIndicators/None.gif </form>
http://www.cnblogs.com/Images/OutliningIndicators/None.gif </body>
http://www.cnblogs.com/Images/Out
页:
[1]