Validation Hint on Controls in Asp.Net

I want implement Validation Hint on my Form Fields Same as Hotmail.com See the Below Screenshot. Can Any Tell me What should i do for that ? Jquery, Javascript or CSS Please Post Some tuto开发者_JAVA技巧rial that will be Great.

regards,

jQuery has a great plugin:

http://bassistance.de/jquery-plugins/jquery-plugin-validation/

That plugin is highly regarded and offers all the customization you need.

As far as styling goes the validation Hotmail uses is just a tooltip or div that is styled to look like a tooltip.

Some tooltip plugins:

http://www.1stwebdesigner.com/css/stylish-jquery-tooltip-plugins-webdesign/

Qtip is a good tooltip plugin and can customised to great extent. http://craigsworks.com/projects/qtip/