There really isn’t a need to do this unless you insist on the value of 0. The HtmlHelper DropDownList extension allows you to set an option label that shows up as the initial value in the select with a null value. Simply use one of the DropDownList signatures that has the option label. <%= Html.DropDownList( … Read more
You can take a look at the Rails documentation . Anyways , in your form : <%= f.collection_select :provider_id, Provider.order(:name),:id,:name, include_blank: true %> As you can guess , you should predefine email-providers in another model –Provider , to have where to select them from .
Unfortunately @Html.DropDownListFor() behaves a little differently than other helpers when rendering controls in a loop. This has been previously reported as an issue on CodePlex (not sure if its a bug or just a limitation) Create a custom EditorTemplate for the type in the collection. In /Views/Shared/EditorTemplates/provider_service_dtls.cshtml (note the name must match the name of … Read more
The strongly typed view model approach which does not use dynamic stuff like ViewBag You can add a new property to your view model for the SELECT options of type IEnumrable<SelectListItem>. view model is a simple POCO class used to transfer data between view to action method and vice versa. They are specific to the … Read more
Here’s the simple solution. Not everything has to be written with extension method in .NET code. One of the great things about MVC is it gives you easy access to construct your own HTML. With MVC4 you can get the id and name of the element on the expression tree with the helpers HTML.NameFor and … Read more
var arr = [ {val : 1, text: ‘One’}, {val : 2, text: ‘Two’}, {val : 3, text: ‘Three’} ]; var sel = $(‘<select>’).appendTo(‘body’); $(arr).each(function() { sel.append($(“<option>”).attr(‘value’,this.val).text(this.text)); });
you could do something like this: ViewData[“accountlist”] = new SelectList((from s in time.Anagrafica_Dipendente.ToList() select new { ID_Dipendente=s.ID_Dipendente, FullName = s.Surname + ” ” + s.Name}), “ID_Dipendente”, “FullName”, null);
Ok, so the answer was derived from some other posts about this problem and it is: If your ViewData contains a SelectList with the same name as your DropDownList i.e. “submarket_0”, the Html helper will automatically populate your DropDownList with that data if you don’t specify the 2nd parameter which in this case is the … Read more
This is how I do it IList<Customer> customers = repository.GetAll<Customer>(); IEnumerable<SelectListItem> selectList = from c in customers select new SelectListItem { Selected = (c.CustomerID == invoice.CustomerID), Text = c.Name, Value = c.CustomerID.ToString() }; At second glance I’m not sure I know what you are after…