Hi nereo.lopez,

We use property to set and get the value. Actually if we put the user control on page, it is the same thing to built-in control like the Text property for TextBox.

For setting property: http://www.codeguru.com/csharp/.net/net_asp/controls/article.php/c11971

For handling event:

http://asp.net-tutorials.com/user-controls/events/

http://codebetter.com/brendantompkins/2004/10/06/easily-raise-events-from-asp-net-ascx-user-controls/

http://odetocode.com/code/94.aspx

Thanks,