How to link Login Page with SQL Server

Question

<div class="modal-body modal-body-sub_agile">

<div class="col-md-8 modal_body_left modal_body_left1">

<h3 class="agileinfo_sign">Sign In <span>Now</span></h3>

<form action="#" method="post">

<div class="styled-input agile-styled-input-top">

<input type="text" name="Name" required="">

<label>Name</label>

<span></span>

</div>

<div class="styled-input">

<input type="email" name="Email" required="">

<label>Email</label>

<span></span>

</div>

<asp:Button ID="Button1" runat="server" Text="SIGN IN" OnClick="Button1_Click" />

</form>

<ul class="social-nav model-3d-0 footer-social w3_agile_social top_agile_third">

<li><a href="#" class="facebook">

<div class="front"><i class="fa fa-facebook" aria-hidden="true"></i></div>

<div class="back"><i class="fa fa-facebook" aria-hidden="true"></i></div></a></li>

<li><a href="#" class="twitter">

<div class="front"><i class="fa fa-twitter" aria-hidden="true"></i></div>

<div class="back"><i class="fa fa-twitter" aria-hidden="true"></i></div></a></li>

<li><a href="#" class="instagram">

<div class="front"><i class="fa fa-instagram" aria-hidden="true"></i></div>

<div class="back"><i class="fa fa-instagram" aria-hidden="true"></i></div></a></li>

</ul>

<div class="clearfix"></div>

<p><a href="#" data-toggle="modal" data-target="#myModal2" > Don't have an account?</a></p>

</div>

<div class="col-md-4 modal_body_right modal_body_right1">

<img src="New%20folder/cy.JPG" alt=" "/>

</div>

<div class="clearfix"></div>

</div>

</div>

<!-- //Modal content-->

</div>

</div>