Refer to OPCWebControls help for all properties and members of the OPC Web Controls.NET components. Easy programming is required to use the properties, OPCSystems category properties are set for design mode only.
The following parameters are key to the setup of a OPC Web Controls MessageBox.
SetValueConfirm (Set when the MessageBox is Confirmed)
SetValuePrompt (Set when the MessageBox is Confirmed and sends the value entered by the operator)