Webforms unobtrusivevalidationmode requires a scriptresourcemapping for ‘jquery’

In ASP.Net, in a specific situation, you may get this server error: webforms unobtrusivevalidationmode requires a scriptresourcemapping for ‘jquery’.

Solution:

• Open web.config file.
• Below <appsettings> tag, add this key  <add value="None" key="ValidationSettings:UnobtrusiveValidationMode"/>

<configuration>
<appsettings>
<add value="None" key="ValidationSettings:UnobtrusiveValidationMode"/>
</appsettings>
</configuration>

See also

• The namespace Resources already contains a definition for PWA 2016.
• How to Encrypt Connection String in Web.config in ASP.NET