Is there a way to include a default empty option (or with text) if there is no selected value for a dropdownlist?
best way is to use $("#dropdownid"). html(''); it makes the value null. This is the only answer here that works when the select does not have a blank option, and in cases where such an option is not desired. The only other way is to add the blank option, as Andy did.
To remove the options of an HTML element of select , you can utilize the remove() method: function removeOptions(selectElement) { var i, L = selectElement. options.
The below will prepend string.Empty to the SelectList (or IEnumerable) specified in the ViewData["Menu"] item. The select will have id and name MenuID
.
<%= Html.DropDownList( "MenuID", (IEnumerable<SelectListItem>)ViewData["Menu"], string.Empty ) %>
Documentation: DropDownList method
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