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[求助]下拉列表有错误！！

liuer_529 发布于 2008-05-12 10:34， 1471 次点击
各位前辈：请问本公司的网站上的注册信息中有一个“关于行业”的下拉列表，点击时没有选项，而出现的是[Method error 500] ,但是别的下拉列表就没有问题。
请前辈快点想想办法，本人新手，急急急
12 回复
#2
liuer_5292008-05-12 11:06
还是这个问题，刚才我看了Dreamweaver属性中的我们公司的下拉列表的属性是“下拉列表”，而一般我们插入的是“列表/菜单”这是什么原因
#3
hebingbing2008-05-12 12:07
应该是用了ajax控件的cascadingdropdown控件，
出现这个错误的话你检查检查你的webserver页面是不是在处理函数之前有[System.Web.Script.Services.ScriptService]
对了还有就是在aspx页面引用的时候处理方法名没有写错……
#4
liuer_5292008-05-12 12:32
谢谢啊啊
#5
liuer_5292008-05-12 12:41
不好意思啊我还得问问，还是这个问题你说的webserver页面我没在我这找到啊，你看看这是那个下拉列表的代码：
<td>
                                    <asp:DropDownList ID="DropDownList1" runat="server" Width="100px" CssClass="buttonstyle244">
                                    </asp:DropDownList>
                                    <asp:DropDownList ID="DropDownList2" runat="server" Width="100px" CssClass="buttonstyle244">
                                    </asp:DropDownList>
                                    <asp:DropDownList ID="DropDownList3" runat="server" Width="100px" CssClass="buttonstyle244">
                                    </asp:DropDownList>
                                    <cc1:CascadingDropDown ID="CascadingDropDown1" runat="server" Category="industry1"
                                        LoadingText="正在加载..." PromptText="请选择" ServiceMethod="GetIndustryDropDownContents"
                                        TargetControlID="DropDownList1" ServicePath="admin/WebService.asmx">
                                    </cc1:CascadingDropDown>
                                    <cc1:CascadingDropDown ID="CascadingDropDown2" runat="server" Category="industry2"
                                        LoadingText="正在加载..." ParentControlID="DropDownList1" PromptText="请选择" ServiceMethod="GetIndustryDropDownContents"
                                        ServicePath="admin/WebService.asmx" TargetControlID="DropDownList2">
                                    </cc1:CascadingDropDown>
                                    <cc1:CascadingDropDown ID="CascadingDropDown3" runat="server" Category="industry3"
                                        LoadingText="正在加载..." ParentControlID="DropDownList2" PromptText="请选择" ServiceMethod="GetIndustryDropDownContents"
                                        TargetControlID="DropDownList3" ServicePath="admin/WebService.asmx">
                                    </cc1:CascadingDropDown>
                                </td>
请帮忙看看啊
#6
hebingbing2008-05-12 12:47
看来没有错就是用到了CascadingDropDown……
admin/WebService.asmx，把这样页面的代码也贴出来看看
#7
liuer_5292008-05-12 12:54
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="publishvcinfo.aspx.cs" Inherits="Capital.Web.publishvcinfo" %>
<%@ Register Src="Controls/userleftmenu.ascx" TagName="userleftmenu" TagPrefix="uc3" %>
<%@ Register Src="Controls/bottom.ascx" TagName="bottom" TagPrefix="uc5" %>
<%@ Register Src="Controls/searchbar.ascx" TagName="searchbar" TagPrefix="uc2" %>
<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="cc1" %>
<%@ Register Src="Controls/navlogin.ascx" TagName="navlogin" TagPrefix="uc1" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.

<html xmlns="http://www. >
<head runat="server">
    <title>发布投资意向</title>
     <link media="all" href="css/formstyle.css" type="text/css" rel="stylesheet">
    <link href="css/style.css" rel="stylesheet" type="text/css" />
    <script language="javascript" type="text/javascript" src="admin/js/formcheck.js"></script>
</head>
<body>
    <form id="form1" runat="server">
            <uc1:navlogin ID="Navlogin1" runat="server"></uc1:navlogin>
            <uc2:searchbar ID="Searchbar1" runat="server"></uc2:searchbar>
        <br />
        <div style="width: 760px; height: 800px; margin-right: auto; margin-left: auto;">
            <div style="float: left; display: block; overflow: visible;">
                <uc3:userleftmenu ID="Userleftmenu1" runat="server" MemberType="机构投资者"></uc3:userleftmenu>
            </div>
            <asp:ScriptManager ID="ScriptManager1" runat="server">
            </asp:ScriptManager>
            <div style="text-align:left; display:block;margin-left:20px;float:left;">
            <table class="uptable" cellspacing="0" border="0" style="width: 585px">
                <tr>
                    <td align="right" class="uptable-title" style="width: 125px">
                        <span style="font-size: 11pt; color: #ff0000">* </span>
                        标题</td>
                    <td>
                        <asp:TextBox ID="title" runat="server" Width="398px" CssClass="buttonstyle244"></asp:TextBox></td>
                    <td class="uptable-notice">
                    </td>
                </tr>
                <tr>
                    <td align="right" class="uptable-title bottomborder" style="width: 125px">
                        投资意向概述</td>
                    <td class="bottomborder">
                        <asp:TextBox ID="summary" runat="server" Height="160px" TextMode="MultiLine" Width="398px" CssClass="buttonstyle244"></asp:TextBox></td>
                    <td class="uptable-notice">
                    </td>
                </tr>
                <tr>
                    <td class="uptable-title" style="width: 125px" align="right">
                        <span style="font-size: 11pt; color: #ff0000">&nbsp;</span>投资项目所在行业</td>
                    <td>
                        <table id="div2" cellspacing="0" cellpadding="3" width="100%" border="0">
                            <tr>
                                <td>
                                    <asp:DropDownList ID="DropDownList1" runat="server" Width="100px" CssClass="buttonstyle244">
                                    </asp:DropDownList>
                                    <asp:DropDownList ID="DropDownList2" runat="server" Width="100px" CssClass="buttonstyle244">
                                    </asp:DropDownList>
                                    <asp:DropDownList ID="DropDownList3" runat="server" Width="100px" CssClass="buttonstyle244">
                                    </asp:DropDownList>
                                    <cc1:CascadingDropDown ID="CascadingDropDown1" runat="server" Category="industry1"
                                        LoadingText="正在加载..." PromptText="请选择" ServiceMethod="GetIndustryDropDownContents"
                                        TargetControlID="DropDownList1" ServicePath="admin/WebService.asmx">
                                    </cc1:CascadingDropDown>
                                    <cc1:CascadingDropDown ID="CascadingDropDown2" runat="server" Category="industry2"
                                        LoadingText="正在加载..." ParentControlID="DropDownList1" PromptText="请选择" ServiceMethod="GetIndustryDropDownContents"
                                        ServicePath="admin/WebService.asmx" TargetControlID="DropDownList2">
                                    </cc1:CascadingDropDown>
                                    <cc1:CascadingDropDown ID="CascadingDropDown3" runat="server" Category="industry3"
                                        LoadingText="正在加载..." ParentControlID="DropDownList2" PromptText="请选择" ServiceMethod="GetIndustryDropDownContents"
                                        TargetControlID="DropDownList3" ServicePath="admin/WebService.asmx">
                                    </cc1:CascadingDropDown>
                                </td>
                            </tr>
                        </table>
                        
                    </td>
                    <td>
                    </td>
                </tr>
                <tr>
                    <td class="uptable-title bottomborder" style="width: 125px" align="right">
                        投资项目所在地区</td>
                    <td class="bottomborder">
                        <table id="TABLE1" cellspacing="0" cellpadding="3" width="100%" border="0">
                            <tr>
                                <td>
                                    <asp:DropDownList ID="country" runat="server">
                                    </asp:DropDownList><br />
                                    <asp:DropDownList ID="DropDownList5" runat="server" Width="100px" CssClass="buttonstyle244">
                                    </asp:DropDownList>
                                    <asp:DropDownList ID="DropDownList6" runat="server" Width="100px" CssClass="buttonstyle244">
                                    </asp:DropDownList>
                                    <asp:DropDownList ID="DropDownList7" runat="server" Width="100px" CssClass="buttonstyle244">
                                    </asp:DropDownList>
                                    <cc1:CascadingDropDown ID="CascadingDropDown4" runat="server" Category="province"
                                        LoadingText="正在加载..." PromptText="请选择" ServiceMethod="GetDropDownContents" TargetControlID="DropDownList5"
                                        ServicePath="admin/WebService.asmx">
                                    </cc1:CascadingDropDown>
                                    <cc1:CascadingDropDown ID="CascadingDropDown5" runat="server" Category="city" LoadingText="正在加载..."
                                        ParentControlID="DropDownList5" PromptText="请选择" ServiceMethod="GetDropDownContents"
                                        ServicePath="admin/WebService.asmx" TargetControlID="DropDownList6">
                                    </cc1:CascadingDropDown>
                                    <cc1:CascadingDropDown ID="CascadingDropDown6" runat="server" Category="county" LoadingText="正在加载..."
                                        ParentControlID="DropDownList6" PromptText="请选择" ServiceMethod="GetDropDownContents"
                                        TargetControlID="DropDownList7" ServicePath="admin/WebService.asmx">
                                    </cc1:CascadingDropDown>
                                </td>
                            </tr>
                        </table>
                    </td>
                    <td class="uptable-notice">
                    </td>
                </tr>
                <tr>
                    <td align="right" class="uptable-title" style="width: 125px">
                        投资周期</td>
                    <td>
                        <asp:RadioButtonList ID="timespan" runat="server" RepeatDirection="Horizontal">
                            <asp:ListItem>3年以内</asp:ListItem>
                            <asp:ListItem>3-5年</asp:ListItem>
                            <asp:ListItem>5年以上</asp:ListItem>
                        </asp:RadioButtonList></td>
                    <td class="uptable-notice">
                    </td>
                </tr>
                <tr>
                    <td align="right" class="uptable-title" style="width: 125px">
                        <span style="font-size: 11pt; color: #ff0000">* </span>投资额度</td>
                    <td>
                        <asp:RadioButtonList ID="capitaloffer" runat="server" RepeatDirection="Horizontal">
                            <asp:ListItem>50--500</asp:ListItem>
                            <asp:ListItem>500-8，000</asp:ListItem>
                            <asp:ListItem>8，000 -20，000</asp:ListItem>
                            <asp:ListItem>20，000以上</asp:ListItem>
                        </asp:RadioButtonList>（单位：万元人民币）</td>
                    <td class="uptable-notice">
                    </td>
                </tr>
                <tr>
                    <td class="uptable-title" style="width: 125px" align="right">
                        <span style="font-size: 11pt; color: #ff0000">* </span>
                        投资项目要求</td>
                    <td>
                        <asp:RadioButtonList ID="partnerdemmand" runat="server" RepeatDirection="Horizontal">
                            <asp:ListItem>个人创业项目</asp:ListItem>
                            <asp:ListItem>初创期项目</asp:ListItem>
                            <asp:ListItem>发展期项目</asp:ListItem>
                            <asp:ListItem>扩张期项目</asp:ListItem>
                            <asp:ListItem>成熟期项目</asp:ListItem>
                        </asp:RadioButtonList></td>
                    <td class="uptable-notice">
                    </td>
                </tr>
                <tr>
                    <td class="uptable-title" style="width: 125px; height: 24px;" align="right">
                        投资方式</td>
                    <td style="height: 18px">
                        <asp:RadioButtonList ID="financingtype" runat="server" RepeatDirection="Horizontal">
                            <asp:ListItem>债权融资</asp:ListItem>
                            <asp:ListItem>股权投资</asp:ListItem>
                            <asp:ListItem>夹层投资</asp:ListItem>
                        </asp:RadioButtonList></td>
                    <td class="uptable-notice" style="height: 24px">
                    </td>
                </tr>
                <tr>
                    <td align="right" class="rightborder bottomborder" style="width: 125px">
                        上传相关介绍文件</td>
                    <td class="bottomborder">
                        <asp:FileUpload ID="FileUpload2" runat="server" Width="328px" CssClass="" /><br />
                        （允许的格式：.txt
                        .doc .ppt .xls）</td>
                    <td class="uptable-notice" style="height: 26px">
                    </td>
                </tr>
                <tr>
                    <td align="right" class="uptable-title" style="width: 125px; height: 24px">
                    </td>
                    <td style="height: 18px">
                <input type="submit" value="确 认 添 加" class="" name="submit" runat="server" id="Submit1"
                    onserverclick="Submit1_ServerClick"></td>
                    <td class="uptable-notice" style="height: 24px">
                    </td>
                </tr>
            </table>
        </div>
        
    </form>
</body>
</html>
这是页面所有代码
#8
liuer_5292008-05-12 12:56
你刚说的admin/WebService.asmx这个页面我这没找到啊 我们公司是买的人家的虚拟主机的
#9
hebingbing2008-05-12 12:56
不是、你打开admin/WebService.asmx页面然后双击到admin/WebService.asmx.cs页面，将它的代码贴出来看看……
#10
liuer_5292008-05-12 13:07
我找不到你说的admin/WebService.asmx这个页面
#11
liuer_5292008-05-12 16:43
using System;
using System.Web;
using System.Collections.Specialized;
using System.Web.Services;
using System.Web.Services.Protocols;
using System.Xml;

/// <summary>
/// WebService 的摘要说明
/// </summary>
[WebService(Namespace = "http://)]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
[System.Web.Script.Services.ScriptService]
public class WebService : System.Web.Services.WebService {

    public WebService ()
    {
    }

    private static XmlDocument xmlDoc;
    private static XmlDocument industryXmlDoc;
    private static object objectLock = new object();

    public static XmlDocument Document
    {
        get
        {
            lock (objectLock)
            {
                if (xmlDoc == null)
                {
                    xmlDoc = new XmlDocument();
                    xmlDoc.Load(HttpContext.Current.Server.MapPath("~/region.xml"));
                }
            }
            return xmlDoc;
        }
    }
    public static XmlDocument IndustryDocument
    {
        get
        {
            lock (objectLock)
            {
                if (industryXmlDoc == null)
                {
                    industryXmlDoc = new XmlDocument();
                    industryXmlDoc.Load(HttpContext.Current.Server.MapPath("~/industry.xml"));
                }
            }
            return industryXmlDoc;
        }
    }
    public static string[] Hierarchy
    {
        get { return new string[] { "province", "city" }; }
    }
    public static string[] IndustryHierarchy
    {
        get { return new string[] { "industry1", "industry2" }; }
    }
    [WebMethod]
    public AjaxControlToolkit.CascadingDropDownNameValue[] GetDropDownContents(string knownCategoryValues, string category)
    {
        StringDictionary knownCategoryValuesDictionary = AjaxControlToolkit.CascadingDropDown.ParseKnownCategoryValuesString(knownCategoryValues);
        return AjaxControlToolkit.CascadingDropDown.QuerySimpleCascadingDropDownDocument(Document, Hierarchy, knownCategoryValuesDictionary, category);
    }
    [WebMethod]
    public AjaxControlToolkit.CascadingDropDownNameValue[] GetIndustryDropDownContents(string knownCategoryValues, string category)
    {
        StringDictionary knownCategoryValuesDictionary = AjaxControlToolkit.CascadingDropDown.ParseKnownCategoryValuesString(knownCategoryValues);
        return AjaxControlToolkit.CascadingDropDown.QuerySimpleCascadingDropDownDocument(IndustryDocument, IndustryHierarchy, knownCategoryValuesDictionary, category);
    }
}

找到了在我们公司最早备份的文件中 你看看有错误吗
#12
liuer_5292008-05-12 16:44
还有就是.cs的文件都在原来的备份中是不是都要复制过来呢
#13
hebingbing2008-05-12 17:40
其他的我不知道该不该复制，但是我给你说的那个文件你要是要解决的话你必须复制过去……
并且路径也要设置正确……
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