WebForms UnobtrusiveValidationMode requires a ScriptResourceMapping for 'jquery'.

Server Error in '/' Application.

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WebForms UnobtrusiveValidationMode requires a ScriptResourceMapping for 'jquery'. Please add a ScriptResourceMapping named jquery(case-sensitive).

Copy past following code in web.config under <configuration> section.

<configuration>

  <appSettings>

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

  </appSettings>

</configuration>