Fading Effect in ASP.NET Page

Just put this code within HEAD tag of your page

<meta http-equiv="Page-Enter" content="blendTrans(Duration=0.2)">
<meta http-equiv="Page-Exit" content="blendTrans(Duration=0.2)">
<meta http-equiv="Site-Enter" content="blendTrans(Duration=0.2)">
<meta http-equiv="Site-Exit" content="blendTrans(Duration=0.2)">