<script type="text/javascript">
        $(function() {
        $("#dialog").dialog({
            bgiframe: true,
            height: 140,
            modal: true,
            autoOpen: false,
            resizable: false
            })
    });

</script>

<div id="dialog" title="Upload files">
    <% using (Html.BeginForm("Upload", "File", FormMethod.Post, new { enctype = "multipart/form-data" }))
        {%>
            <p><input type="file" id="fileUpload" name="fileUpload" size="23"/> </p>
            <p><input type="submit" value="Upload file" /></p>
        <% } %>
</div>

<p>
    <label for="image_name">image_name:</label>
    <a href="#" onclick="jQuery('#dialog').dialog('open'); return false">Upload File</a>

    <%= Html.ValidationMessage("image_name", "*") %>
</p>

public ActionResult AddProduct(int category_id, string product_name, float product_price, string product_desc, string weight, string image_name, string img_content, string available_qty, string isFeature)
{

    foreach (string inputTagName in Request.Files)
    {
        HttpPostedFileBase file = Request.Files[inputTagName];
        if (file.ContentLength > 0)
        {
            string filePath = Path.Combine(HttpContext.Server.MapPath("../Uploads"), Path.GetFileName(file.FileName));
            string filecontent = Path.Combine(HttpContext.Server.MapPath("../Uploads"), Path.GetFileName(file.ContentType));

            image_name = Path.GetFileName(file.FileName);
            img_content = Path.GetFileName(file.ContentType);

            file.SaveAs(filePath);
        }
    }

    AdminImplementation _adminImplementation = new AdminImplementation();

    Boolean isfeature = Convert .ToBoolean(isFeature);

    if (isfeature)
    {
        isFeature = "Featured";
    }
    else
    {
        isFeature = "NotFeatured";
    }


    int i = _adminImplementation.addproduct(category_id, product_name, product_price, product_desc, weight,image_name ,img_content ,available_qty ,isFeature );

    ViewData["succm"] = "Product added successfully";
    return View();
}