image upload and preview in asp.net - asp.net

Question

I want to browse image from client computer as soon as image is uploaded, it will display preview and when client(I) saves details, it will be saved in the database.
as well as that image will be displayed in page
I have fileuploader
<style type="text/css">
#newPreview
{
filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(sizingMethod=scale);
}
</style>
<link class="jsbin" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1/themes/base/jquery-ui.css "
rel="stylesheet" type="text/css" />
<script class="jsbin" src="http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js "></script>
<script class="jsbin" src="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.0/jquery-ui.min.js "></script>
<script language="javascript" type="text/javascript">
function PreviewImg(imgFile) {
if (navigator.appName != "Netscape") {
var newPreview = document.getElementById("newPreview");
newPreview.style.display = "";
newPreview.filters.item("DXImageTransform.Microsoft.AlphaImageLoader").src = imgFile.value;
newPreview.style.width = "250px";
newPreview.style.height = "200px";
}
else {
if (imgFile.files && imgFile.files[0]) {
var reader = new FileReader();
$('[id*=divFirfox]').css("display", "block");
reader.onload = function (e) {
$('#blah')
.attr('src', e.target.result)
.width(250)
.height(200);
};
reader.readAsDataURL(imgFile.files[0]);
}
}
}
</script>
now what should i do to retrive image from database?
something like link