title: Could not load file or assembly 'log4net, Version=1.2.10.0, Culture=neutral, PublicKeyToken=1b44e1d426115821'
body: <p>I have added Log4Net in my project using NuGet Package Manager and it is showing Version 2.3 installed on my system.</p>
  <p>Here is my config entry:</p>
  <pre><code>  &lt;configSections&gt;
      &lt;section name=&quot;dataConfiguration&quot; type=&quot;Microsoft.Practices.EnterpriseLibrary.Data.Configuration.DatabaseSettings, Microsoft.Practices.EnterpriseLibrary.Data, Version=4.1.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35&quot;/&gt;
      &lt;section name=&quot;log4net&quot; type=&quot;log4net.Config.Log4NetConfigurationSectionHandler, log4net&quot; /&gt;
    &lt;/configSections&gt;
  </code></pre>
  <p>and then reference to this file here</p>
  <pre><code>  &lt;log4net configSource=&quot;Log4Net.config&quot; /&gt;
    &lt;system.serviceModel&gt;
  </code></pre>
  <p>but when I run the website. The following exception is displayed.</p>
  <blockquote>
  <p>Could not load file or assembly 'log4net, Version=1.2.10.0,
  Culture=neutral, PublicKeyToken=1b44e1d426115821' or one of its
  dependencies. The located assembly's manifest definition does not
  match the assembly reference. (Exception from HRESULT: 0x80131040)</p>
  <p>Description: An unhandled exception occurred during the execution of
  the current web request. Please review the stack trace for more
  information about the error and where it originated in the code.</p>
  <p>Exception Details: System.IO.FileLoadException: Could not load file or
  assembly 'log4net, Version=1.2.10.0, Culture=neutral,
  PublicKeyToken=1b44e1d426115821' or one of its dependencies. The
  located assembly's manifest definition does not match the assembly
  reference. (Exception from HRESULT: 0x80131040)</p>
  <p>Source Error:</p>
  <p>An unhandled exception was generated during the execution of the
  current web request. Information regarding the origin and location of
  the exception can be identified using the exception stack trace below.</p>
  </blockquote>
  <p>I have seen the dll is present in the bin folder but is showing version 1.2.13.0 instead.</p>
  <p>How can I change the assembly version?</p>