make a globle connection in web.config file and fetch data on a page of asp.net

Check this

Access Database Connectionstring in web.config[^]

Get DataBase Connection Strings in Easy Way[^]

http://www.dreamincode.net/code/snippet1676.htm[^]

<connectionstrings>

<add name="myConn" connectionstring="uid=sa;pwd=111;server=122.188.10.10;database=ddd">


then call this connection like:-
public static string strcon = ConfigurationManager.ConnectionStrings["myConn"].ConnectionString.ToString();

then i think u know the rest
use strcon for your connection