Version

enableCloseButton Property

Checks if close button is enabled.If returned value is 0, then WebTab.CloseButton.Enabled property is used. If returned value is 1, then close button is enabled. If returned value is 2, then close button is disabled.
Syntax
ASP.NET Ajax Javascript (Specification) 
function get_enableCloseButton() : Integer
ASP.NET Ajax Javascript (Usage) 
var resultVar = instanceOfTabItem.get_enableCloseButton();
See Also