Gets a value that indicates whether the debug versions of client script libraries will be rendered.
Assembly: System.Web.Extensions (in System.Web.Extensions.dll)
The property returns false when any one of the following conditions is true:
In the deployment element of the configuration file, the retail attribute is set to true. This overrides all other settings.
The ScriptMode property is set to Auto or to Inherit, and debugging is not enabled in the compilation section of the application-root Web.config file.
The ScriptMode property is set to Release.
For more information, see Debugging and Tracing Ajax Applications Overview.