Display/Store and Retrieve Image Data from Database to Gridview, and also on Mouse Over

#container
{
    margin: 100px auto;
    width: 610px;
}
ul.gallery
{
    margin: 0;
    padding: 0;
}
ul.gallery li
{
    float: left;
    list-style: none;
    margin: 0 2px 2px 0;
    padding: 5px 5px 0 5px;
    border: 3px solid #acacac;
    background-color: #fff;
}
ul.gallery img
{
    width: 100px;
    height: 75px;
}
ul.gallery li:hover
{
    display: none;
    width: 200px;
    height: 200px;
    background: #000 url(../images/ajax-loader.gif) no-repeat center center;
    position: fixed;
    top: 50%;
    left: 50%;
    margin: -100px 0px 0px -100px;
    opacity: 0.7;
    z-index: 9999;
    -moz-border-radius: 100px;
    -webkit-border-radius: 100px;
    border-radius: 100px;
    filter: progid:DXImageTransform.Microsoft.Alpha(opacity=70);
}
ul.gallery li:hover
{
    width: 250px;
    height: 188px;
}
#container div
{
    float: left;
    width: 118px;
    height: 93px;
}