>I hav developed a client server application in vb.net and sqlexpress as back end
>
>i want to know after installation of software on clients machine how can i set datasource path through appconfig settings
>
>how can i set database path through appconfig settings
>is necessary to design a form and save the settings of that form to the appconfig settings!!!!
>
>Thank u in Advance

This walks you through how to do it. It's pretty simple.

http://www.ezzylearning.com/tutorial.aspx?tid=8067328