Diaplay image from database.

I have store image filename only in database like, .
black.jpg
and also uploaded folder have the same image name what saved in database.

GridView: how to save the selected value of the dropdownlist?

I'm using a simple gridview and sqldatasource to bind the data from database to the gridview.
Options: Paging,sorting,editing.

Joining of database tables to display same values

i have been working on databases and i have designed some tables in my database. i have problem that i have to display the common data of two tables and for that purpose i have constructed the sql query but query is not working.
please help me in constructing the query so that i may able to remove this problem from my project.

Regards,

Email Notification in Asp.net

i have a problem that i have to send the notification to my user on every event which occur in my system which is help desk. can you please guide my about it?