messagebox is never displyed

He, I'am using asp.net pages.

I want to show a messagebox and after cliqued OK, I go home.

But The messagebox is never showed.home.aspx is loaded directly

MessageBox("Cette fiche a bien �©t�© envoy�©e �  " + txtEmail.Value);
Response.Redirect("home.aspx");
Why ?
How resolve this problem ?

...