This should help:

http://west-wind.com/weblog/posts/76293.aspx

You can hook this code to a button or postback link and use a filename the user provides.

You won't be able to do it with a right click though - that happens on teh client, you'll need to have a postback and link that fires off through the server.

+++ Rick ---

>Using VS05 and C#. I have a webform that displays an image(jpg, gif). I want the user to be able to download the image to their PC. I know that the user can right click the image and choose 'Save Image as' etc..., but is there a way to have a "Download" button that initializes the download process and asks the user where they want to save the image.
>
>Thanks,
>
>Jerry