autocomplete textbox in asp.net using database

Hi,
        You can do this by using AjaxControlToolKit, for this first you need to create a webmethod where you will return data from your database. Please refer the below link

http://www.asp.net/ajaxLibrary/AjaxControlToolkitSampleSite/AutoComplete/AutoComplete.aspx


you can do by using jquery

http://sudiptasanyal.blogspot.in/2013/05/autocomplete-textbox-from-database.html


Regards,
Iftikar

Check this link:

http://www.ajaxcontroltoolkit.com/AutoComplete/AutoComplete.aspx

let me know if u r facing any issue

share your code what you did then we will solve your problem.

you can check this link

http://www.aspdotnet-suresh.com/2011/05/ajax-autocompleteextender-sample.html