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ASP.NET File Uploader with Overwrite Message

, 3 Dec 2008 CPOL
Intranet file upload dialog box with overwrite prompt and file archiving.
archive
bin
FileUploader.dll
Images
ajaxloader.gif
blank.gif
btnBrowse.jpg
btnBrowseDisabled.JPG
btnCancel.jpg
btnCancelDisabled.jpg
btnCancelMouseOver.jpg
btnClose.jpg
btnCloseDisabled.jpg
btnCloseMouseOver.jpg
btnOverwrite.jpg
btnOverwriteDisabled.jpg
btnOverwriteMouseOver.jpg
btnReplace.jpg
btnReplaceDisabled.jpg
btnReplaceMouseOver.jpg
btnSave.jpg
btnSaveDisabled.jpg
btnSaveMouseOver.jpg
icon_caution.gif
My Project
Application.myapp
pending
FileUploader.vbproj.user
<?xml version="1.0"?>

<configuration>
  
    <appSettings>
      <!-- Set to "no" if return value excludes root path -->
      <add key="ReturnFullPath" value="no" />
      
      <!-- leave blank for app directory.  Set value to "../" for up one dir 
            if application is loaded in a virtual sub directory -->
      <add key="SetRootDirectory" value="" /> 
      
      <!-- Set directory defaults here.  Defaults overwritten by form
          requests from calling form javascript function -->
      <add key="DraftDirectory" value="pending" />
      <add key="UploadDirectory" value="downloads" />
      <add key="ArchiveDirectory" value="archive" />

      <!-- Set allowed file types here -->
      <add key="FileTypes" value=".pdf,.txt,.doc,.rtf,.xls,.html,.htm,.xml,.jpg,.jpeg" />
    </appSettings>
  
    <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.

            Visual Basic options:
            Set strict="true" to disallow all data type conversions 
            where data loss can occur. 
            Set explicit="true" to force declaration of all variables.
        -->
      <httpRuntime
         maxRequestLength="102400"
         requestLengthDiskThreshold="100" />
      
      <compilation debug="true" strict="false" explicit="true">
			    <assemblies>
				    <add assembly="System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
            <add assembly="System.Design, Version=2.0.0.0, Culture=neutral, PublicKeyToken=B03F5F7F11D50A3A"/>
            <add assembly="System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/>
          </assemblies>
        </compilation>
        <pages>
            <namespaces>
                <clear/>
                <add namespace="System"/>
                <add namespace="System.Collections"/>
                <add namespace="System.Collections.Specialized"/>
                <add namespace="System.Configuration"/>
                <add namespace="System.Text"/>
                <add namespace="System.Text.RegularExpressions"/>
                <add namespace="System.Web"/>
                <add namespace="System.Web.Caching"/>
                <add namespace="System.Web.SessionState"/>
                <add namespace="System.Web.Security"/>
                <add namespace="System.Web.Profile"/>
                <add namespace="System.Web.UI"/>
                <add namespace="System.Web.UI.WebControls"/>
                <add namespace="System.Web.UI.WebControls.WebParts"/>
                <add namespace="System.Web.UI.HtmlControls"/>
            </namespaces>
        </pages>
        <!--
            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>
         -->
      <httpHandlers>
        <remove verb="*" path="*.asmx"/>
        <add verb="*" path="*.asmx" validate="false" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"/>
        <add verb="*" path="*_AppService.axd" validate="false" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"/>
        <add verb="GET,HEAD" path="ScriptResource.axd" type="System.Web.Handlers.ScriptResourceHandler, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" validate="false"/>
      </httpHandlers>

      <httpModules>
        <add name="ScriptModule" type="System.Web.Handlers.ScriptModule, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"/>
      </httpModules>
      
    </system.web>


  
</configuration>

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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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About the Author

BrianLaF
Web Developer
United States United States
Started programming in Business Basic in the 1980's and acquired my AS in Computer Science at that time. Promoted to IS Manager after one year of programming (sink or swim).
Self taught in SMC Basic, Visual Basic, C Shell, perl, ASP, JavaScript, vb.net, asp.net.
Now working as a Network Administrator at a hospital in Northern California.
Fell into a webmaster role when implementing the company's intranet website to support documentation.

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