Gets or sets a string that represents the ID of the control that is a trigger for the UpdatePanel control.
Syntax
CSharp
VisualBasic
ManagedCPlusPlus
JSharp
/** @property */
/** @property */
Value
Return Value
A string that contains the ID of the control. The default is an empty string ("").
Remarks
The ControlID property must be set to the ID of a control that implements the INamingContainer, IPostBackDataHandler, or IPostBackEventHandler interface.
Assembly: System.Web.Extensions (Module: System.Web.Extensions)