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Friday, 7 June 2013

How TO Make jQuery Image Slideshow with Semi-Transparent Caption Example in C# Asp.Net

How TO Make jQuery Image Slideshow with Semi-Transparent Caption Example in C# Asp.Net


Program:

.Aspx File:

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>JQuery Photo Slider with Semi Transparent Caption</title>
<script src="http://code.jquery.com/jquery-1.8.2.js" type="text/javascript"></script>
<script type="text/javascript">
    $(function () {
        //Execute the slideShow
        slideShow();
    });
    function slideShow() {
        //Set the opacity of all images to 0
        $('#slideshow a').css({ opacity: 0.0 });
        //Get the first image and display it (set it to full opacity)
        $('#slideshow a:first').css({ opacity: 1.0 });
        //Set the caption background to semi-transparent
        $('#slideshow .caption').css({ opacity: 0.7 });
        //Resize the width of the caption according to the image width
        $('#slideshow .caption').css({ width: $('#slideshow a').find('img').css('width') });
        //Get the caption of the first image from REL attribute and display it
        $('#slideshow .content').html($('#slideshow a:first').find('img').attr('rel'))
.animate({ opacity: 0.7 }, 400);
        //Call the gallery function to run the slideshow, 6000 = change to next image after 6 seconds
        setInterval('gallery()', 3000);
    }
    function gallery() {
        //if no IMGs have the show class, grab the first image
        var current = ($('#slideshow a.show') ? $('#slideshow a.show') : $('#slideshow a:first'));
        //Get next image, if it reached the end of the slideshow, rotate it back to the first image
        var next = ((current.next().length) ? ((current.next().hasClass('caption')) ? $('#slideshow a:first') : current.next()) : $('#slideshow a:first'));
        //Get next image caption
        var caption = next.find('img').attr('rel');
        //Set the fade in effect for the next image, show class has higher z-index
        next.css({ opacity: 0.0 })
.addClass('show')
.animate({ opacity: 1.0 }, 1000);
        //Hide the current image
        current.animate({ opacity: 0.0 }, 1000)
.removeClass('show');

        //Set the opacity to 0 and height to 1px
        $('#slideshow .caption').animate({ opacity: 0.0 }, { queue: false, duration: 0 }).animate({ height: '1px' }, { queue: true, duration: 300 });
        //Animate the caption, opacity to 0.7 and heigth to 100px, a slide up effect
        $('#slideshow .caption').animate({ opacity: 0.7 }, 100).animate({ height: '100px' }, 500);
        //Display the content
        $('#slideshow .content').html(caption);
    }
</script>
<style type="text/css">
body{
font-family:arial
}
.clear {
clear:both
}
#slideshow {
position:relative;
height:360px
}
#slideshow a {
float:left;
position:absolute;
}
#slideshow a img {
border:none;
}
#slideshow a.show {
z-index:500
}
#slideshow .caption {
z-index:600;
background-color:#000;
color:#ffffff;
height:100px;
width:100%;
position:absolute;
bottom:0;
}
#slideshow .caption .content {
margin:5px
}
#slideshow .caption .content h3 {
margin:0;
padding:0;
color:#1DCCEF;
}
</style>
</head>
<body>
<form id="form1" runat="server">
<div id="slideshow">
<a href="#" class="show">
<img src="http://www.webchief.co.uk//blog/simple-jquery-slideshow/slide1.jpg" alt="1" height="300" rel="<h3>Slide1 Sample</h3>"/>
</a>
<a href="#">
<img src="http://www.webchief.co.uk//blog/simple-jquery-slideshow/slide2.jpg" alt="2"  height="300" rel="<h3>Slide2 Example</h3>"/>
</a>
<a href="#">
<img src="http://www.webchief.co.uk//blog/simple-jquery-slideshow/slide3.jpg" alt="3" height="300" rel="<h3>Slide3 Example</h3>"/>
</a>
<div class="caption"><div class="content"></div></div>
</div>
<div class="clear"></div>
</form>
</body>
</html>

Live Demo:

JQuery Photo Slider with Semi Transparent Caption

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