我的ajax级联下拉列表中的方法错误500 [英] method error 500 in my ajax cascading dropdown list
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问题描述
我在.aspx中的代码
< asp：内容 ID = Content2 ContentPlaceHolderID = ContentPlaceHolder1 runat = server >
< asp：DropDownList id = dropcity runat = server AutoPostBack = < span class =code-keyword> true class = ddl style = width：210px;高度：30PX; background-color：＃40E0D0 > < / asp：DropDownList >
< cc1：CascadingDropDown ID = dropcitycc TargetControlID = dropcity PromptText = 选择城市
< span class =code-attribute> PromptValue = < span class =code-attribute> runat = server
类别 = dropcity ServicePath = 〜/ DropDownCasCad.asmx ServiceMethod = GetData LoadingText = 正在加载。 .. / >
< asp：DropDownList id = dropmovie runat = < span class =code-keyword> server class = ddl style = width：210px;高度：30PX; background-color：＃40E0D0 > < / asp：DropDownList >
< cc1：CascadingDropDown ID = dropmoviecc TargetControlID = dropmovie PromptText = 选择电影
PromptValue < span class =code-keyword> = runat = 服务器
类别 = dropmovie LoadingText = 正在加载... ServicePath = 〜/ DropDownCasCad。 asmx ServiceMethod = GetData ParentControlID = < span class =code-keyword> dropcity / >
< asp：DropDownList id = dropdate runat = 服务器 class = ddl style = width：210px;高度：30PX; background-color：＃40E0D0 > < / asp：DropDownList >
< cc1：CascadingDropDown ID = dropdatecc TargetControlID = dropdate PromptText = 选择日期
< span class =code-attribute> PromptValue = runat = server
< span class =code-attribute> 类别 = dropdate LoadingText = 正在加载... ServicePath = 〜/ DropDownCasCad.asmx ServiceMethod = GetData ParentControlID = dropmovie / >
< / asp：Content >
我的asmx中的
<％@ WebService Language =C＃CodeBehind =DropDownCasCad.asmx.csClass =easymoviesindia.DropDownCasCad％>
我的.asmx.cs中的
使用System;
使用System.Collections.Generic;
使用System.Linq;
使用System.Web;
使用System.Web.UI;
使用System.Web.UI.WebControls;
使用System.Collections;
使用System.Collections.Specialized;使用System.Web.Services
;
使用AjaxControlToolkit;
namespace easymoviesindia
{
///< summary>
/// DropDownCasCad
///< / summary>的摘要说明
[WebServiceBinding（ConformsTo = WsiProfiles.BasicProfile1_1）]
//要允许使用ASP.NET AJAX从脚本调用此Web服务，请取消注释以下行。
// [System.Web.Script.Services.ScriptService]
[WebService（Namespace =http://tempuri.org/）]
[WebServiceBinding（ConformsTo = WsiProfiles.BasicProfile1_1） ）]
[System.Web.Script.Services.ScriptService（）]
// [System.Web.Script.Services.ScriptService（）]
public class DropDownCasCad：System.Web。 Services.WebService
{
public DropDownCasCad（）{
}
public List< cascadingdropdownnamevalue> bind（string [] total_moviedetails）// -------------------------------------- bind方法开始
{
List< cascadingdropdownnamevalue> list = new List< cascadingdropdownnamevalue>（）;
string [] singlemoviedetails = null;
list.Add（new CascadingDropDownNameValue（TELUGU，TELUGU））;
foreach（字符串single_moviedetails in total_moviedetails）
{
singlemoviedetails = single_moviedetails.Split（'〜'）;
if（TELUGU.Equals（singlemoviedetails [2] .ToString（）））
{
list.Add（new CascadingDropDownNameValue（singlemoviedetails [1] .ToString（），singlemoviedetails [0] .ToString（）））;
} //如果
}
bool isHindi = true;
foreach（字符串single_moviedetails in total_moviedetails）
{
singlemoviedetails = single_moviedetails.Split（'〜'）;
if（HINDI.Equals（singlemoviedetails [2] .ToString（）））
{
if（isHindi）
{
list。添加（新CascadingDropDownNameValue（HINDI，HINDI））;
isHindi = false;
}
list.Add（new CascadingDropDownNameValue（singlemoviedetails [1] .ToString（），singlemoviedetails [0] .ToString（）））;
}
}
bool isEnglish = true;
foreach（字符串single_moviedetails in total_moviedetails）
{
singlemoviedetails = single_moviedetails.Split（'〜'）;
if（ENGLISH.Equals（singlemoviedetails [2] .ToString（）））
{
if（isEnglish）
{
list。添加（新CascadingDropDownNameValue（ENGLISH，ENGLISH））;
isEnglish = false;
}
list.Add（new CascadingDropDownNameValue（singlemoviedetails [1] .ToString（），singlemoviedetails [0] .ToString（）））;
}
}
返回列表;
}
protected List< cascadingdropdownnamevalue> datesprocess（string dateDirPath，string knownvalue）
{
DataBindToDateProcess dates = new DataBindToDateProcess（）;
List< cascadingdropdownnamevalue> list = new List< cascadingdropdownnamevalue>（）;
ArrayList dateslist = dates.BindProcess（dateDirPath，knownvalue）;
foreach（字符串日期在datelist中）
{
DateTime d = new DateTime（Convert.ToInt32（date.Substring（0,4）.Trim（）），Convert。 ToInt32（date.Substring（4,2）.Trim（）），Convert.ToInt32（date.Substring（date.Length - 2）.Trim（）））;
list.Add（new CascadingDropDownNameValue（d.ToString（ddd MMM dd yyyy），date））;
}
返回清单;
}
[System.Web.Services.WebMethod]
// [System.Web.Script.Services.ScriptMethod]
public static AjaxControlToolkit .CascadingDropDownNameValue [] GetData（string knownCategoryValues，string category）
{
// string dateDirPath =D：\\easy100services\\cities \\+ dropcity.SelectedValue + \\movieticketing;
string dateDirPath =D：\\easy100services\\cities \\;
string cityurl =http://xxx.xxx/xyz/site/abc.asp?citycode=;
DataBindToMovieProcess movies = new DataBindToMovieProcess（）;
DataBindToDateProcess dates = new DataBindToDateProcess（）;
DropDownCasCad t = new DropDownCasCad（）;
List< cascadingdropdownnamevalue> VLS;
//获取已知类别/值对的字典
StringDictionary known = AjaxControlToolkit.CascadingDropDown.ParseKnownCategoryValuesString（knownCategoryValues）;
AjaxControlToolkit.CascadingDropDownNameValue [] values = null;
开关（类别）
{
casedropcity：
values = new AjaxControlToolkit.CascadingDropDownNameValue [] {
new AjaxControlToolkit.CascadingDropDownNameValue（Hyderabad，1 ），
新的AjaxControlToolkit.CascadingDropDownNameValue（Warangal，20），
新的AjaxControlToolkit.CascadingDropDownNameValue（kakinada，9），
};
休息;
casedropmovie：
switch（已知[dropcity]）
{
case1：
cityurl = cityurl + known [dropcity] ;
dateDirPath = dateDirPath + known [dropcity];
vls = t.bind（movies.BindProcess（cityurl））;
values = vls.ToArray< cascadingdropdownnamevalue>（）;
休息;
案例20：
cityurl = cityurl + known [dropcity];
dateDirPath = dateDirPath + known [dropcity];
vls = t.bind（movies.BindProcess（cityurl））;
values = vls.ToArray< cascadingdropdownnamevalue>（）;
休息;
案例9：
cityurl = cityurl + known [dropcity];
dateDirPath = dateDirPath + known [dropcity];
vls = t.bind（movies.BindProcess（cityurl））;
values = vls.ToArray< cascadingdropdownnamevalue>（）;
休息;
默认值：
break;
}
休息;
casedropdate：
dateDirPath = dateDirPath + known [dropcity] +\\movieticketing;
values = t.datesprocess（dateDirPath，known [dropmovie]）。ToArray< cascadingdropdownnamevalue>（）;
休息;
}
返回值;
}
}
}
请帮助谢谢提前...
解决方案
嗨我解决了我的问题
删除前面的静态关键字我的服务方法
GetData（字符串knownCategoryValues，字符串类别）</ blockquote>
安装此附加服务器
ASP Net Ajax 1.0
http://www.microsoft.com/en-us/download/details.aspx?id=883 [ ^ ]
my code in .aspx
<asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder1" runat="server"> <asp:DropDownList id="dropcity" runat="server" AutoPostBack="true" class="ddl" style="width:210px; height:30px; background-color:#40E0D0"></asp:DropDownList> <cc1:CascadingDropDown ID="dropcitycc" TargetControlID="dropcity" PromptText="Select City" PromptValue="" runat="server" Category="dropcity" ServicePath="~/DropDownCasCad.asmx" ServiceMethod="GetData" LoadingText="Loading..." /> <asp:DropDownList id="dropmovie" runat="server" class="ddl" style="width:210px; height:30px; background-color:#40E0D0"></asp:DropDownList> <cc1:CascadingDropDown ID="dropmoviecc" TargetControlID="dropmovie" PromptText="Select Movie" PromptValue="" runat="server" Category="dropmovie" LoadingText="Loading..." ServicePath="~/DropDownCasCad.asmx" ServiceMethod="GetData" ParentControlID="dropcity"/> <asp:DropDownList id="dropdate" runat="server" class="ddl" style="width:210px; height:30px; background-color:#40E0D0"></asp:DropDownList> <cc1:CascadingDropDown ID="dropdatecc" TargetControlID="dropdate" PromptText="Select date" PromptValue="" runat="server" Category="dropdate" LoadingText="Loading..." ServicePath="~/DropDownCasCad.asmx" ServiceMethod="GetData" ParentControlID="dropmovie"/> </asp:Content>
in my asmx
<%@ WebService Language="C#" CodeBehind="DropDownCasCad.asmx.cs" Class="easymoviesindia.DropDownCasCad" %>
in my .asmx.cs
using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; using System.Collections; using System.Collections.Specialized; using System.Web.Services; using AjaxControlToolkit; namespace easymoviesindia { /// <summary> /// Summary description for DropDownCasCad /// </summary> [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)] // To allow this Web Service to be called from script, using ASP.NET AJAX, uncomment the following line. //[System.Web.Script.Services.ScriptService] [WebService(Namespace = "http://tempuri.org/")] [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)] [System.Web.Script.Services.ScriptService()] // [System.Web.Script.Services.ScriptService()] public class DropDownCasCad : System.Web.Services.WebService { public DropDownCasCad(){ } public List<cascadingdropdownnamevalue> bind(string[] total_moviedetails) //--------------------------------------bind method begin { List<cascadingdropdownnamevalue> list = new List<cascadingdropdownnamevalue>(); string[] singlemoviedetails = null; list.Add(new CascadingDropDownNameValue("TELUGU", "TELUGU")); foreach (string single_moviedetails in total_moviedetails) { singlemoviedetails = single_moviedetails.Split('~'); if ("TELUGU".Equals(singlemoviedetails[2].ToString())) { list.Add(new CascadingDropDownNameValue(singlemoviedetails[1].ToString(), singlemoviedetails[0].ToString())); }//if } bool isHindi = true; foreach (string single_moviedetails in total_moviedetails) { singlemoviedetails = single_moviedetails.Split('~'); if ("HINDI".Equals(singlemoviedetails[2].ToString())) { if (isHindi) { list.Add(new CascadingDropDownNameValue("HINDI", "HINDI")); isHindi = false; } list.Add(new CascadingDropDownNameValue(singlemoviedetails[1].ToString(), singlemoviedetails[0].ToString())); } } bool isEnglish = true; foreach (string single_moviedetails in total_moviedetails) { singlemoviedetails = single_moviedetails.Split('~'); if ("ENGLISH".Equals(singlemoviedetails[2].ToString())) { if (isEnglish) { list.Add(new CascadingDropDownNameValue("ENGLISH", "ENGLISH")); isEnglish = false; } list.Add(new CascadingDropDownNameValue(singlemoviedetails[1].ToString(), singlemoviedetails[0].ToString())); } } return list; } protected List<cascadingdropdownnamevalue> datesprocess(string dateDirPath, string knownvalue) { DataBindToDateProcess dates = new DataBindToDateProcess(); List<cascadingdropdownnamevalue> list = new List<cascadingdropdownnamevalue>(); ArrayList dateslist = dates.BindProcess(dateDirPath, knownvalue); foreach (string date in dateslist) { DateTime d = new DateTime(Convert.ToInt32(date.Substring(0, 4).Trim()), Convert.ToInt32(date.Substring(4, 2).Trim()), Convert.ToInt32(date.Substring(date.Length - 2).Trim())); list.Add(new CascadingDropDownNameValue(d.ToString("ddd MMM dd yyyy"), date)); } return list; } [System.Web.Services.WebMethod] // [System.Web.Script.Services.ScriptMethod] public static AjaxControlToolkit.CascadingDropDownNameValue[] GetData(string knownCategoryValues, string category) { //string dateDirPath = "D:\\easy100services\\cities\\" + dropcity.SelectedValue + "\\movieticketing"; string dateDirPath = "D:\\easy100services\\cities\\"; string cityurl = "http://xxx.xxx/xyz/site/abc.asp?citycode="; DataBindToMovieProcess movies = new DataBindToMovieProcess(); DataBindToDateProcess dates = new DataBindToDateProcess(); DropDownCasCad t = new DropDownCasCad(); List<cascadingdropdownnamevalue> vls; // Get a dictionary of known category/value pairs StringDictionary known = AjaxControlToolkit.CascadingDropDown.ParseKnownCategoryValuesString(knownCategoryValues); AjaxControlToolkit.CascadingDropDownNameValue[] values = null; switch (category) { case "dropcity": values = new AjaxControlToolkit.CascadingDropDownNameValue[] { new AjaxControlToolkit.CascadingDropDownNameValue("Hyderabad", "1"), new AjaxControlToolkit.CascadingDropDownNameValue("Warangal", "20"), new AjaxControlToolkit.CascadingDropDownNameValue("kakinada", "9"), }; break; case "dropmovie": switch (known["dropcity"]) { case "1": cityurl = cityurl + known["dropcity"]; dateDirPath = dateDirPath + known["dropcity"]; vls = t.bind(movies.BindProcess(cityurl)); values = vls.ToArray<cascadingdropdownnamevalue>(); break; case "20": cityurl = cityurl + known["dropcity"]; dateDirPath = dateDirPath + known["dropcity"]; vls = t.bind(movies.BindProcess(cityurl)); values = vls.ToArray<cascadingdropdownnamevalue>(); break; case "9": cityurl = cityurl + known["dropcity"]; dateDirPath = dateDirPath + known["dropcity"]; vls = t.bind(movies.BindProcess(cityurl)); values = vls.ToArray<cascadingdropdownnamevalue>(); break; default: break; } break; case "dropdate": dateDirPath = dateDirPath + known["dropcity"] + "\\movieticketing"; values = t.datesprocess(dateDirPath, known["dropmovie"]).ToArray<cascadingdropdownnamevalue>(); break; } return values; } } }
please help thanks in advance...解决方案hi i solved my problem
by removing static key word in front of my service method
GetData(string knownCategoryValues, string category)
Install this add-on server
ASP Net Ajax 1.0
http://www.microsoft.com/en-us/download/details.aspx?id=883[^]
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