Источник:
http://sumitax.wordpress.com/2010/12...ing-postbacks/
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Following are methods to avoid Poostback on ASP.NET LInk button control’
- Make the “OnClientClick” attribute to false in Mark up for the Link Buton.
2. Make the client side script return false.
LinkButton ID=”LinkButton1″ runat=”server” onclick=”myfunction();return false;” Text=”Close window” OnClientClick=”false”>
Источник:
http://sumitax.wordpress.com/2010/12...ing-postbacks/