Bootstrap button in ASP-do not trigger button click event

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C#

ASP

CSS

bootstrap

Hi,

I have created bootstrap button in apsx, I want to trigger the button click event for this. This is what my code looks

in .apsx

<a href="#" class="btn btn-xs button page-2-btn">next</a>

in .cs

protected void Next_Click(object sender, EventArgs e)
    {
        string connStr = "Initial Catalog=LoginCheck; Data Source=MYCOMPUTER; User id=sa; password=abc12345;";
        
    }

However, I see that the code behind i.e .cs function is not invoked, on keeping the break point I see it does not get called. Please any help will be appreciated.

Thanks

What I have tried:

I have tried runat="sever" and onserverclick , even that did not work