ICallbackEventHandler.RaiseCallbackEvent(String) Method
Definition
Important
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Processes a callback event that targets a control.
public:
void RaiseCallbackEvent(System::String ^ eventArgument);
public void RaiseCallbackEvent (string eventArgument);
abstract member RaiseCallbackEvent : string -> unit
Public Sub RaiseCallbackEvent (eventArgument As String)
Parameters
- eventArgument
- String
A string that represents an event argument to pass to the event handler.
Remarks
When null
is used as the event argument parameter, the string is serialized to "null" and sent back to the server. Because there is no way to distinguish between null
and "null", you should avoid using null
argument parameters with callbacks.
Exceptions thrown in RaiseCallbackEvent will not prevent GetCallbackResult from being called and returning a result. To prevent GetCallbackResult from returning a result, set a flag when an exception is thrown in RaiseCallbackEvent and return an empty string from GetCallbackResult.
Applies to
See also
.NET
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