MG.generateServerEvent method
Description
Use MG.generateServerEvent to send a message to the server-side assembly
            associated with this user control. This is similar to the
               WSUserControl.generateServerEvent method in previous versions.
Syntax
MG.generateServerEvent(payload)
Parameters
This table describes the method parameters.
| Name | Type | Description | 
|---|---|---|
| payload | Object | Specify a string or object that contains the data to be sent to the server-side assembly. |