GeckoFX How To Trigger Or Fire JavaScript _doPostBack() Method
Here's how you fire a _doPostBack() in ASP.NET using GeckoFX. //fire js method using (AutoJSContext context = new AutoJSContext( this .JSContext)) { string result; context.EvaluateScript( string .Format( "javascript:__doPostBack('{0}','')" , paramControlName), out result); } Cheers!