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

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

This error is related to Requiredfied validation

To remove this error you can use below statement with in webconfig file

<configuration>

 

    <system.web>

      <compilation debug="true" targetFramework="4.5" />

      <httpRuntime targetFramework="4.5" />

    

    </system.web>

  <appSettings>

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

  </appSettings>

</configuration>