asp.net - What is the difference between AsyncPostBackTrigger & PostBackTrigger? -

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what difference between asyncpostbacktrigger & postbacktrigger?

controls inside updatepanel default cause partial page update, controls outside cause postback, using these triggers possible change behaviour required.

from http://seminaarit.codezone.fi/video/devdays-2007/track1/2/2-asp-dotnet_ajax_extensions.ppt:

asyncpostbacktrigger

  • converts postbacks async callbacks
  • typically used trigger updates when controls outside updatepanel post back
  • if childrenastriggers="false", can used specify controls inside updatepanel should call rather post back

postbacktrigger

  • lets controls inside updatepanel post back.
  • typically used allow controls post when childrenastriggers="true"

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