I am getting this error. I am using ICallbackEventHandler to fill the some dropdowns. On a particular condition I want to redirect to a certain aspc page but I am getting
Response.Redirect cannot be called in a Page callback.
I have also used Server.Transfer but problem did not solve.
Response.Redirect() implicate call the
Response.End()which would absolutely stop the page-lifecycle execution.So you cannt use it in your callback method. You can use a client method instead it like
window.location.href = "...."