Altjen B. Altjen B. - 20 days ago 5
ASP.NET (C#) Question

How to make background photo change automatically after 5 seconds in asp.net + bootstrap

How can the background pic of my page change after 5 seconds?
I was thinking to use carousel with twitter bootstrap. But every example I've seen so far is to change the image when I press the next button.

What is the best to do it? should I focus just with asp.net and css file to make this? and the code behind on C#, or add javascript or jquery?

Answer

You can use bootstrap carousel with data-interval="5000" to set the time where 5000 is in milli seconds equals to 5 seconds.

Smaple code:

<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet"/>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
<div id="carousel-example-generic" class="carousel slide" data-ride="carousel" data-interval="5000">

  <!-- Indicators -->
  <ol class="carousel-indicators">
    <li data-target="#carousel-example-generic" data-slide-to="0" class="active"></li>
    <li data-target="#carousel-example-generic" data-slide-to="1"></li>
    <li data-target="#carousel-example-generic" data-slide-to="2"></li>
  </ol>
 
  <!-- Wrapper for slides -->
  <div class="carousel-inner">
    <div class="item active">
      <img src="http://placehold.it/1200x315" alt="...">
      <div class="carousel-caption">
      	<h3>Caption Text</h3>
      </div>
    </div>
    <div class="item">
      <img src="http://placehold.it/1200x315" alt="...">
      <div class="carousel-caption">
      	<h3>Caption Text</h3>
      </div>
    </div>
    <div class="item">
      <img src="http://placehold.it/1200x315" alt="...">
      <div class="carousel-caption">
      	<h3>Caption Text</h3>
      </div>
    </div>
  </div>
 
  <!-- Controls -->
  <a class="left carousel-control" href="#carousel-example-generic" role="button" data-slide="prev">
    <span class="glyphicon glyphicon-chevron-left"></span>
  </a>
  <a class="right carousel-control" href="#carousel-example-generic" role="button" data-slide="next">
    <span class="glyphicon glyphicon-chevron-right"></span>
  </a>
</div> <!-- Carousel -->

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