In general, the DropDownList widget is design to close its popup if the widget itself is blurred (if the wrapper element is blurred). Basically, when something "steals" the focus from the widget, it will close the popup immediately.
There are several possible scenarios for this to happen:
- an old jQuery (before 1.9.1) is used
- the modal popup does not allow to click anything that is placed outside of its content, and the popup element itself is placed in the document.body
I suppose that you are seeing the second cause. If this is the case, then I would suggest you either modify the modal configuration to allow clicking elements outside of its content or add the widget to the modal popup itself:
.Popup(p => p.AppendTo(
You should choose the best approach that suits your needs.
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