multiselect dropdown based on other multiselect dropdown
问题 I am tryng to show/hide elements in a multiselect dropdown, based on the selection in another multiselect dropdown. Anyway, when I use the multiselect plugin I am not able to show/hide the elements. My code looks like this: @Html.DropDownList("CompanyDropDown", new MultiSelectList(ViewBag.CompanyList, "COD_COMPANY", "DESCRIPTION", null), new { multiple = "multiple", @class = "multiselect", onchange = "CompanyDropDownOnChange()" }) @Html.DropDownList("FlowDropDown", new MultiSelectList(ViewBag