App.Release.config

<?xml version="1.0"?>

<!-- For more information on using Web.config transformation visit http://go.microsoft.com/fwlink/?LinkId=301874 -->

<configuration xmlns:xdt="http://schemas.microsoft.com/XML-Document-Transform">
  
    <connectionStrings>
      <add name="TestDatabase" connectionString="data source=(local)\SQLEXPRESS;Database=TestDatabase;user=sa;password=password" providerName="System.Data.SqlClient" />
      <add name="AnotherDatabase" connectionString="data source=(local)\SQLEXPRESS;Database=AnotherDatabase;user=sa;password=password" providerName="System.Data.SqlClient" />
    </connectionStrings>
  
  <system.web>
    <!--
      In the example below, the "Replace" transform will replace the entire
      <customErrors> section of your Web.config file.
      Note that because there is only one customErrors section under the
      <system.web> node, there is no need to use the "xdt:Locator" attribute.

      <customErrors defaultRedirect="GenericError.htm"
        mode="RemoteOnly" xdt:Transform="Replace">
        <error statusCode="500" redirect="InternalError.htm"/>
      </customErrors>
    -->
  </system.web>
</configuration>