Well, unfortunately, this is not possible for an existing instance of AutoCompleteExtender. There are several methods that may interest you, for example below
var x = $find("AutocompleteBehaviorID");
x.get_completionListElementID();
x.set_completionListElementID();
x._completionListElement();
, init ( init). ( ), keypress, blur .. , . javascript, , .
$create(Behavior,{properties},{events},interfaces,target);
AjaxControlToolkit.AutoCompleteBehavior
- javascript, ( ,
{
"completionInterval": 1,
"completionListElementID": "empty panel id",
"completionListItemCssClass": "css class name",
"delimiterCharacters": ";",
"highlightedItemCssClass": "css class name",
"id": "CLIENTSIDEID",
"minimumPrefixLength": 1,
"serviceMethod": "WebMethodName",
"servicePath": "AbsolutePath to asmx file"
}
{
"itemSelected": jsFn,
"populated": jsFn
}
. , .
$get("ELEMENT ID")
, , , javascript . , .