how to reload the usercontrol in the master page with effecting other part of the master page

I have a master page. In that master page i have a user control which holds a Label control, it shows data read from a text file using marquee. My text file changes every 2 minute开发者_StackOverflow中文版s so I want to reload my user control every 2 minutes without effecting the master page.

How can i do that?

Any help is appreciated.

You could put the user control in an UpdatePanel and refresh the contents via an AsyncPostBack trigger as described in the following article:

http://www.asp.net/ajax/tutorials/understanding-asp-net-ajax-updatepanel-triggers

Here is one sluggish solution:

put the label control in a new page (with no master page) and add a timer with that label to refresh every 1 minute or so.

Now, go back to your master page and add an iframe with SRC pointing to the new page you created before. This way, all the refresh effect will be limited to the iframe only and not to your master page.

*Edit: you don't need a timer for the page inside the iframe. Just set the META refresh time period to whatever you want and in the code behind of that page, let the Page_Load event populate the label

UpdatePanel and use a Timer.

http://msdn.microsoft.com/en-us/library/cc295400.aspx