How to Add jquery library

Rule 1:

->If you use visual studio then open vs and add a website and again add a Web Form.

->Must connect internet

->Right Click your website.

->Select Manage NuGet Packages...

->Then after will open a window then select online(left side)

->And search jquery

->After searching you can see jquery and click the install

Rule 2:

You use downloaded files 

->Open google and write and search jquery

->Click the First link and open(https://jquery.com/)

->Click Download jQuery(right side)

->Click this link Download the compressed, production jQuery 2.1.4

->After downloaded copy and pest your web site and use

Rule 3:

Use direct CDN(Content Delivery Network)

Follow the below links

<script src="//code.jquery.com/jquery-1.11.3.min.js"></script>
<script src="//code.jquery.com/jquery-migrate-1.2.1.min.js"></script>