Searching for Select2 Optgroup Support information? Find all needed info by using official links provided below.
Select2 is a jQuery based replacement for select boxes. It supports searching, remote data sets, and pagination (infinite scrolling) of results. ... Select2 gives you a customizable select box with support for searching, tagging, remote data sets, infinite …
https://stackoverflow.com/questions/607188/support-for-optgroup-in-dropdownlist-net-mvc
I needed a solution to handle a multiple selection with optgroup, and I used Serge Zab solution. I've just two comments about it (too long for a comment). Despite his claims, his solution does not support all existing overloads of DropDownListFor, since it doesn't support MultiSelectList or SelectList, oftenly used in models.
https://github.com/select2/select2/issues/58
May 17, 2012 · +1 for this feature. Except if I type in part or all of the optgroup name, I expect to see all entries in that optgroup to show up. Something that 'Chosen' doesn't do but I suppose this could just be implemented via the AJAX callback in select2.
https://github.com/select2/select2/issues/193
Jul 06, 2012 · Sorry to ask the dumb question but can I take from you comment that "select2" does now support optgroups? I really need that feature so am leaning toward using chosen but would be happier to use select2 if that feature were there. The add-on feature suggested in this thread (where a label matches the children) seems like a great option to have too.
https://select2.org/options
Hierarchical options. Only a single level of nesting is allowed per the HTML specification. If you nest an <optgroup> within another <optgroup>, Select2 will not be able to detect the extra level of nesting and errors may be triggered as a result. Furthermore, <optgroup> elements cannot be made selectable. This is a limitation of the HTML ...
http://select2.github.io/select2-bootstrap-theme/4.0.3.html
RTL Support and Bootstrap Control Sizing The theme offers styles to display "small" and "large" Select2 widgets in Bootstrap Input Groups with Bootstrap Control Sizing classes applied (e. g. Select2 in .input-group.input-group-sm or .input-group.input-group-lg).
https://groups.google.com/d/topic/select2/MD8vltoh4hI
Select2 does not support nested `<optgroup>` tags through HTML. As you can see in your browser, it tries to flatten out the DOM. Select2 does support this …
https://designlink.work/en-US/select2/
Select2 is a jquery plugin that makes select form more advanced.Here is the basic usage of Select2.
https://community.atlassian.com/t5/Answers-Developer-Questions/Dynamically-adding-optgroup-to-Select2-with-JQuery/qaq-p/535751
Solved: Hi all, I'm trying to dynamically add optgroup and options to a Select2: the option is added, but not the optgroup (see
https://html.com/tags/optgroup/
Grouping List Options. The optgroup element is used to group options in a drop-down list, with the aim of making the list easier to navigate. The functionality essentially splits large numbers of <option> items into small sections. Note that the label attribute is required, and will be rendered as the first item in the section. The user cannot select the label as a choice.
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