Custom Drag & drop file uploader

Hi Experts,
I have a requirement to create a custom file uploader in C#.

Summarised requirement is; Drag selected image onto a displayed placeholder image and upload to server.

What I am currently doing is to display a row of images and then use Ajax file uploader to upload the images that the use drags&drops into Ajax drop area. I then replace the row of images with those selected by the user.
I now need to customise this and maybe use a different approach and not Ajax.
I need to drag and drop each user selection onto the image. The image is then replaced on the fly.
Would appreciate some help

below is my current code

            <td style="text-align: center; border-top: 1px solid #00FD17; border-bottom: 1px solid #00FD17; padding: 1px 4px">
                <asp:Image ID="Image2" runat="server" Height="131px" ImageUrl="~/images/Car-icon.png" Width="131px" />
                <asp:Image ID="Image3" runat="server" Height="131px" ImageUrl="~/images/Car-icon.png" Width="131px" />
                <asp:Image ID="Image4" runat="server" Height="131px" ImageUrl="~/images/Car-icon.png" Width="131px" />
                <asp:Image ID="Image5" runat="server" Height="131px" ImageUrl="~/images/Car-icon.png" Width="131px" />
                <asp:Image ID="Image6" runat="server" Height="131px" ImageUrl="~/images/Car-icon.png" Width="131px" />
                <asp:Image ID="Image7" runat="server" Height="131px" ImageUrl="~/images/Car-icon.png" Width="131px" />
            <br />  
            <ajaxToolkit:AjaxFileUpload ID="AjaxFileUpload1" runat="server" onuploadcomplete="AjaxFileUpload1_UploadComplete" MaximumNumberOfFiles="6" Height="200px" />
            <ajaxToolkit:ToolkitScriptManager ID="ToolkitScriptManager1" runat="server">
                    <br />

 I then display the images from the server with codebehind based on Gridselection
  Image2.ImageUrl = "~/SiteImages/" + vUsername + "/" + GridView1.Rows[tt].Cells[55].Text;
            Image3.ImageUrl = "~/SiteImages/" + vUsername + "/" + GridView1.Rows[tt].Cells[56].Text;
            Image4.ImageUrl = "~/SiteImages/" + vUsername + "/" + GridView1.Rows[tt].Cells[57].Text;
            Image5.ImageUrl = "~/SiteImages/" + vUsername + "/" + GridView1.Rows[tt].Cells[58].Text;
            Image6.ImageUrl = "~/SiteImages/" + vUsername + "/" + GridView1.Rows[tt].Cells[59].Text;
            Image7.ImageUrl = "~/SiteImages/" + vUsername + "/" + GridView1.Rows[tt].Cells[60].Text;
Zack SnydersAsked:
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Julian HansenCommented:
Have you had a look at JQuery Uploader from Blue Imp?

It might do what you want.
Zack SnydersAuthor Commented:
Hi Julian,
Not quite, unless I am missing something.
The link you provided handles the file selection part and the server side processing fine but the actual part I am after is to drag an image file on to a displayed image and then in the background upload the file and replace the image that I dropped the file onto with the selected image. Trust this makes sense
Julian HansenCommented:
Yes it does - it sounds like you want to make the drop zone an existing image.

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Zack SnydersAuthor Commented:
Good solution
Julian HansenCommented:
You are welcome.
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