Question

I am trying to publish my site on remote server. My hosting provider has provided my with dsn connectivity through dotnetpanel. When i publish my site i get the error as shown in screenshot. I have also included my web.config file.

My web.config is as follows,

<?xml version="1.0" encoding="UTF-8"?>
<!-- 
    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>

    <appSettings>       
            <add key="myDSN" value="evodsn"/>           
    </appSettings>
  <connectionStrings>
    <add name="evocon" connectionString="DSN=myDSN;" />

  </connectionStrings>

  <system.net>
    <mailSettings>
      <smtp>
        <network host="smtp.gmail.com" />
      </smtp>
    </mailSettings>
  </system.net>


    <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.
    -->
    <httpHandlers>
      <!--<add verb="POST,GET,HEAD" path="elmah.axd" type="Elmah.ErrorLogPageFactory, Elmah"/>-->
      <add verb="*" path="TinyMCEHandler.aspx" type="Moxiecode.TinyMCE.Web.HttpHandler, Moxiecode.TinyMCE" validate="false" />
      <add verb="*" path="*.mvc" validate="false" type="System.Web.Mvc.MvcHttpHandler, System.Web.Mvc, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
      <add path="WebResource.axd" verb="GET" type="System.Web.Handlers.AssemblyResourceLoader" validate="true" />
    </httpHandlers>

    <httpRuntime requestValidationMode="2.0" />



        <compilation debug="true" targetFramework="4.0">
            <assemblies>
                <add assembly="System.Web.Mvc, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
                <add assembly="System.Web.Abstractions, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
                <add assembly="System.Web.Routing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
                <add assembly="System.Data.Linq, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089" />
                <add assembly="System.Design, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B03F5F7F11D50A3A" /></assemblies>
        </compilation>
        <!--
            The <authentication> section enables configuration 
            of the security authentication mode used by 
            ASP.NET to identify an incoming user. 
    -->
    <globalization uiCulture="en" culture="en-GB" />
        <authentication mode="Forms">
            <forms loginUrl="~/Account.mvc/index" timeout="2880" protection="All" />
        </authentication>
        <membership defaultProvider="evocon">
            <providers>
                <clear />

        <add
          name="evocon"
          type="System.Web.Security.SqlMembershipProvider, System.Web, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"
          connectionStringName="evocon"
          enablePasswordRetrieval="false"
          enablePasswordReset="true"
          requiresQuestionAndAnswer="false"
           />


            </providers>
        </membership>
        <profile>
            <providers>
                <clear />
                <add name="AspNetSqlProfileProvider" type="System.Web.Profile.SqlProfileProvider, System.Web, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" connectionStringName="ApplicationServices" applicationName="/" />
            </providers>
        </profile>
        <roleManager enabled="false">
            <providers>
                <clear />
                <add connectionStringName="ApplicationServices" applicationName="/" name="AspNetSqlRoleProvider" type="System.Web.Security.SqlRoleProvider, System.Web, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
                <add applicationName="/" name="AspNetWindowsTokenRoleProvider" type="System.Web.Security.WindowsTokenRoleProvider, System.Web, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
            </providers>
        </roleManager>
        <!--
            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="Off">
            <error statusCode="403" redirect="NoAccess.htm"/>
            <error statusCode="404" redirect="FileNotFound.htm"/>
        </customErrors>

        <pages controlRenderingCompatibilityVersion="3.5" clientIDMode="AutoID">
            <namespaces>
                <add namespace="System.Web.Mvc" />
                <add namespace="System.Web.Mvc.Ajax" />
                <add namespace="System.Web.Mvc.Html" />
                <add namespace="System.Web.Routing" />
                <add namespace="System.Linq" />
                <add namespace="System.Collections.Generic" />
                <add namespace="Telerik.Web.Mvc.UI" />
            </namespaces>
        </pages>

    </system.web>
    <!-- 
        The system.webServer section is required for running ASP.NET AJAX under Internet
        Information Services 7.0.  It is not necessary for previous version of IIS.
  -->
    <system.webServer>
        <validation validateIntegratedModeConfiguration="false" />
        <modules runAllManagedModulesForAllRequests="true">
        </modules>
        <handlers>
            <remove name="MvcHttpHandler" />
            <remove name="UrlRoutingHandler" />
            <add name="MvcHttpHandler" preCondition="integratedMode" verb="*" path="*.mvc" type="System.Web.Mvc.MvcHttpHandler, System.Web.Mvc, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
        </handlers>
        <directoryBrowse enabled="false" />
        <defaultDocument>
            <files>
                <clear />
                <add value="Default.aspx" />
                <add value="Default.asp" />
                <add value="Default.php" />
                <add value="Default.htm" />
                <add value="Default.html" />
                <add value="Index.aspx" />
                <add value="Index.asp" />
                <add value="Index.php" />
                <add value="Index.htm" />
                <add value="Index.html" />
                <add value="parking.htm" />
            </files>
        </defaultDocument>
    </system.webServer>
    <runtime>
        <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
            <dependentAssembly>
                <assemblyIdentity name="System.Web.Mvc" publicKeyToken="31bf3856ad364e35" />
                <bindingRedirect oldVersion="1.0.0.0" newVersion="2.0.0.0" />
            </dependentAssembly>
        </assemblyBinding>
    </runtime>

  <location path="App_Data" allowOverride="false">
        <system.web>
            <authorization>
                <allow users="?" />
            </authorization>
        </system.web>
    </location>
</configuration>

Answer 1

From the Stack Trace it looks like you are using a SqlClient.SqlConnection object, but DSN is for ODBC connections.

You either change your connectioin string to use a Sql Server Connection String or change the connection object in your code to ODBCConnection.