AsyncFileUpload - "Le fichier est joint est invalide" erreur

Je suis en train d'utiliser le AsyncFileUpload de contrôle de la Asp.net Ajax Control Toolkit (Septembre 30, 2009 stable construire: 30930) . J'ai créé une démo de l'application et le contrôle fonctionne très bien. Téléchargement de fichiers et tout est bien.

Lorsque j'essaie d'utiliser la commande dans mon application, je suis toujours un message d'erreur indiquant que Le fichier joint n'est pas valide". Le AsyncFileUpload le contrôle revient cette fois le fichier téléchargé est null.

Pour isoler le problème, j'ai créé une nouvelle page exactement comme le maître de la page dans mon demo app. J'ai également créé une page aspx exactement comme la page de mon demo app. Le téléchargement échoue encore une "Le fichier joint n'est pas valide" erreur.

J'ai aussi comparé le web.config pour l'application réelle et la demo app et n'arrivait pas à identifier toutes les différences qui devrait avoir de l'importance.

Le code ci-dessous est le code de test dans mon application réelle. Ce code est exactement le même que le fonctionnement de code dans la démo d'application à l'exception d'avoir différents noms de classe et les noms de fichier. Le web.config ci-dessous est à partir de l'application réelle avec le appsettings et connectionstrings supprimé.

À ce point, je suis complètement perplexe.

Une Application Véritable Maître De Test De Page:

<%@ Master Language="C#" AutoEventWireup="true" CodeFile="aaaMasterPage.master.cs" Inherits="L1Admin.aaaMasterPage" %>

<!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 runat="server">
    <title>Untitled Page</title>
    <script type="text/javascript" src="js/jquery-1.3.2.min.js"></script>    
    <asp:ContentPlaceHolder id="head" runat="server">
    </asp:ContentPlaceHolder>
</head>
<body>
    <form id="form1" runat="server">
    <asp:ScriptManager ID="scriptManager" EnablePartialRendering="true" runat="server" AsyncPostBackTimeout="180" />    
    <div>
        <asp:ContentPlaceHolder id="content" runat="server">

        </asp:ContentPlaceHolder>
    </div>
    </form>
</body>
</html>

Page De Test:

<%@ Page Language="C#" MasterPageFile="~/aaaMasterPage.master" AutoEventWireup="true" CodeFile="aaaFileUploadTest2.aspx.cs" Inherits="aaaFileUploadTest2" Title="Untitled Page" %>
<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="ajax" %>

    <asp:Content ID="Content1" ContentPlaceHolderID="head" Runat="Server">
        <script type="text/javascript">
            function pageLoad(sender, args) {
            }

            function startUpload(sender,args)
            {
                $('#uploadMessage p').html();
                $('#uploadMessage').hide();
            }

            function uploadComplete(sender,args)
            {
                showUploadMessage(args.get_fileName() + " uploaded succesfully - " +  + args.get_length() + " bytes", '');
            }

            function uploadError(sender, args)
            {
                showUploadMessage("An error occurred during uploading. " + args.get_errorMessage(), '#ff0000');
            }

            function showUploadMessage(text, color)
            {
                $('#uploadMessage p').html(text).css('color', color);
                $('#uploadMessage').show();
            }
        </script>
    </asp:Content>
    <asp:Content ID="Content2" ContentPlaceHolderID="content" Runat="Server">    
        <div id="uploadMessage"><p></p></div>
        <ajax:AsyncFileUpload ID="pageBannerUpload"
            CssClass="file_upload"
            OnClientUploadError="uploadError"
            OnClientUploadStarted="startUpload"
            OnClientUploadComplete="uploadComplete"
            onuploadedcomplete="upload_UploadedComplete"
            runat="server" />
    </asp:Content>

Vraie Application De Test De Code De La Page Derrière:

using System;
using System.IO;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;

public partial class aaaFileUploadTest2 : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {

    }

    protected void upload_UploadedComplete(object sender, AjaxControlToolkit.AsyncFileUploadEventArgs e)
    {
        if (pageBannerUpload.HasFile)
        {
            string path = MapPath("~/") + Path.GetFileName(e.filename);
            pageBannerUpload.SaveAs(path);
        }
    }
}

Véritable Application Web De Test.config:

<?xml version="1.0"?>
<!-- 
Note: As an alternative to hand editing this file you can use the 
web admin tool to configure settings for your application. Use
the Website->Asp.Net Configuration option in Visual Studio.
A full list of settings and comments can be found in 
machine.config.comments usually located in 
\Windows\Microsoft.Net\Framework\v2.x\Config 
-->
<configuration>
<configSections>
<sectionGroup name="system.web.extensions" type="System.Web.Configuration.SystemWebExtensionsSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35">
<sectionGroup name="scripting" type="System.Web.Configuration.ScriptingSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35">
<section name="scriptResourceHandler" type="System.Web.Configuration.ScriptingScriptResourceHandlerSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication"/>
<sectionGroup name="webServices" type="System.Web.Configuration.ScriptingWebServicesSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35">
<section name="jsonSerialization" type="System.Web.Configuration.ScriptingJsonSerializationSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="Everywhere"/>
<section name="profileService" type="System.Web.Configuration.ScriptingProfileServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication"/>
<section name="authenticationService" type="System.Web.Configuration.ScriptingAuthenticationServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication"/>
<section name="roleService" type="System.Web.Configuration.ScriptingRoleServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication"/>
</sectionGroup>
</sectionGroup>
</sectionGroup>
</configSections>
<appSettings>
</appSettings>
<connectionStrings>
</connectionStrings>
<system.web>
<!-- 
Set compilation debug="true" to insert debugging 
symbols into the compiled page. Because this 
affects performance, set this value to true only 
during development.
-->
<compilation debug="true">
<assemblies>
<add assembly="System.Core, Version=3.5.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/>
<add assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
<add assembly="System.Xml.Linq, Version=3.5.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/>
<add assembly="System.Data.DataSetExtensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/>
<add assembly="System.Transactions, Version=2.0.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/>
<add assembly="System.Data.Linq, Version=3.5.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/>
</assemblies>
<codeSubDirectories>
<add directoryName="CSCode"/>
<add directoryName="VBCode"/>
</codeSubDirectories>
</compilation>
<!--
The <authentication> section enables configuration 
of the security authentication mode used by 
ASP.NET to identify an incoming user. 
-->
<authentication mode="Windows"/>
<!--
The <customErrors> section enables configuration 
of what to do if/when an unhandled error occurs 
during the execution of a request. Specifically, 
it enables developers to configure html error pages 
to be displayed in place of a error stack trace.
<customErrors mode="RemoteOnly" defaultRedirect="GenericErrorPage.htm">
<error statusCode="403" redirect="NoAccess.htm" />
<error statusCode="404" redirect="FileNotFound.htm" />
</customErrors>
-->
<pages>
<controls>
<add tagPrefix="asp" namespace="System.Web.UI" assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
<add tagPrefix="asp" namespace="System.Web.UI.WebControls" assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
<add tagPrefix="Annsa" namespace="Annsa.Controls" assembly="Annsa.Controls"/>
</controls>
<namespaces>
<add namespace="Microsoft.VisualBasic"/>
<add namespace="System.Data"/>
<add namespace="System.Drawing"/>
</namespaces>
</pages>
<httpHandlers>
<remove verb="*" path="*.asmx"/>
<add verb="*" path="*.asmx" validate="false" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
<add verb="*" path="*_AppService.axd" validate="false" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
<add verb="GET,HEAD" path="ScriptResource.axd" validate="false" type="System.Web.Handlers.ScriptResourceHandler, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
</httpHandlers>
<httpModules>
<add name="ScriptModule" type="System.Web.Handlers.ScriptModule, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
</httpModules>
<identity impersonate="true"/>
<trace enabled="false" requestLimit="10" pageOutput="false" traceMode="SortByTime" localOnly="true"/>
<!--  SESSION STATE SETTINGS
mode="Off|InProc|StateServer|SqlServer"
By default ASP.NET uses cookies to identify which requests belong to a particular session. 
If cookies are not available, a session can be tracked by adding a session identifier to the URL. 
To disable cookies, set sessionState cookieless="true".
-->
<sessionState mode="InProc" stateConnectionString="tcpip=127.0.0.1:42424" sqlConnectionString="data source=127.0.0.1;user id=sa;password=" cookieless="false" timeout="20"/>
<!--  GLOBALIZATION
This section sets the globalization settings of the application. 
-->
<xhtmlConformance mode="Legacy"/>
</system.web>
<location path="Pages">
<system.web>
<xhtmlConformance mode="Transitional"></xhtmlConformance>
</system.web>
</location>
<system.codedom>
<compilers>
<compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CSharp.CSharpCodeProvider,System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" warningLevel="4">
<providerOption name="CompilerVersion" value="v3.5"/>
<providerOption name="WarnAsError" value="false"/>
</compiler>
<compiler language="vb;vbs;visualbasic;vbscript" extension=".vb" type="Microsoft.VisualBasic.VBCodeProvider, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" warningLevel="4">
<providerOption name="CompilerVersion" value="v3.5"/>
<providerOption name="OptionInfer" value="true"/>
<providerOption name="WarnAsError" value="false"/>
</compiler>
</compilers>
</system.codedom>
<system.webServer>
<validation validateIntegratedModeConfiguration="false"/>
<modules>
<remove name="ScriptModule"/>
<add name="ScriptModule" preCondition="managedHandler" type="System.Web.Handlers.ScriptModule, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
</modules>
<handlers>
<remove name="WebServiceHandlerFactory-Integrated"/>
<remove name="ScriptHandlerFactory"/>
<remove name="ScriptHandlerFactoryAppServices"/>
<remove name="ScriptResource"/>
<add name="ScriptHandlerFactory" verb="*" path="*.asmx" preCondition="integratedMode" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
<add name="ScriptHandlerFactoryAppServices" verb="*" path="*_AppService.axd" preCondition="integratedMode" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
<add name="ScriptResource" verb="GET,HEAD" path="ScriptResource.axd" preCondition="integratedMode" type="System.Web.Handlers.ScriptResourceHandler, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
</handlers>
</system.webServer>
<runtime>
<assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
<dependentAssembly>
<assemblyIdentity name="System.Web.Extensions" publicKeyToken="31bf3856ad364e35"/>
<bindingRedirect oldVersion="1.0.0.0-1.1.0.0" newVersion="3.5.0.0"/>
</dependentAssembly>
<dependentAssembly>
<assemblyIdentity name="System.Web.Extensions.Design" publicKeyToken="31bf3856ad364e35"/>
<bindingRedirect oldVersion="1.0.0.0-1.1.0.0" newVersion="3.5.0.0"/>
</dependentAssembly>
</assemblyBinding>
</runtime>
</configuration>

Edit: je n'ai plus de travailler pour cette compagnie, donc je ne peux pas tester toutes les nouvelles réponses pour voir si ils ont corrigé le problème.

source d'informationauteur Craig M