Website - Refreshing only a part of a page

[jmcoreymv]

I have a website that is driven with PHP/MySQL. On one of the pages, there are sensor values that I want to have refreshed at a given interval. Is there an easy way for me to query the database and update ONLY the sensor values, without refreshing the entire page? How do I do this?

Thanks.

 

[igowerf]

If you want to be fancy, you can look up AJAX or more specifically xmlhttprequest. It will let you query a separate PHP page for the data, and then update the sensor values using Javascript.

The fast and dirty way would be to use an iframe.

 

[jmcoreymv]

I used the iframe and it works great. Thanks.

 

[notfred]

Ajax is a bit more elegant than the iframe thing, but they both work just fine. 🙂

 

[jmcoreymv]

If it was a professional site, I would attempt to learn something else. But it's for a class project, and I'm an EE with no interest/skills in web development. Quick and dirty works for me.