Sharing video among the registered members of application.

Hi..
       I am new to asp.net, and i am trying to develop video sharing feature among the registered members of  my website.For this the members should upload video to sql server and then they can share the uploaded video to another member.After this a message(video link) must sent to receiver when he login into the website .After that receiver can play the video by clicking on the message.
Please help me to build this.
Thanks in advance........