html.dropdownlistfor

问题 I am new using MVC approach. How to using the DropDownListfor in the MVC? I need get the list from my master table and show the option into the Business Premise in the Business Profile object. This is my ViewModel public class SMEAppViewModel { public WP2PBusinessProfile BuisinessProfile { get; set; } public IEnumerable<WP2PMasterDropDownList> MasterList { get; set; } } In my controller, I already initialize the MasterList to the List var _MasterList = _context.WP2PMasterDropDownList.ToList()

问题 I want to show dropdownlist always to down. (Is it posible?) If bottom space is less then the height of dropdown list it's show list to up. I want to show list always to down. Thanks in advance 回答1: This can be achieved by adding the following attribute to your CSS class of your dropdown list: .drop-down { top:100%; } The same can be used to force the list to go upwards: bottom: 100%; Here is a jsfiddle demo. EDIT: The standard HTML form Select Option ( <select><option> <option></select> )

问题 I want to show dropdownlist always to down. (Is it posible?) If bottom space is less then the height of dropdown list it's show list to up. I want to show list always to down. Thanks in advance 回答1: This can be achieved by adding the following attribute to your CSS class of your dropdown list: .drop-down { top:100%; } The same can be used to force the list to go upwards: bottom: 100%; Here is a jsfiddle demo. EDIT: The standard HTML form Select Option ( <select><option> <option></select> )

问题 I can't get a specific DropDownList to preselect my selected value in ASP.NET MVC 5. I use the same logic for several other DDLs and it works, but not for this one. Maybe some of you have an idea. This piece of code is inside my ASP.NET MVC 5 Razor View: @Html.DropDownListFor(x => x.SelectedDate, Model.SelectListDays, new { @class="newEntryDays"}) This is what the Watchlist says about my model IN THE VIEW HTML: The first option is 'selected' <option selected="selected" value="13.01.2014">Mo

问题 Is there a way to include a default empty option (or with text) if there is no selected value for a dropdownlist? 回答1: 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 回答2: For Example: Controller : private void InitScreenInfoCollate() { IEnumerable<MstBrd>

问题 In Asp.Net MVC, I have problem in defining the Index Method below for searching the list of EmployeeStatus From Employee Table. and EmployeeStatus Model as: public class EmployeeStatus { public int Id { get; set; } public string Status { get; set; } } I have created Employee.cs Model as follows: public class Employee { public int ID { get; set; } public string EmployeeName { get; set; } public int EmployeeStatus { get; set; } } and Controller EmployeeController with action Index public

问题 I am trying to populate the selected value field of an MVC drop down list, but I have been unsuccessful. I am using MVC 5.1. Here is a screenshot of the selected value and the model showing sales receipts: Instead of sales receipts being selected, the model defaults to estimates: When I use ViewData, the drop down works successfully: Html.DropDownList("JMASettings.InvoiceMode") Here is my code: public void GetInvoiceMode(JMASettings model) { Dictionary<string, string> modes = new Dictionary

问题 I just ran into an issue that I have never noticed before and I want to know if this is something isolated to my current project for some reason or if this is an issue that I need to panic about and check every one of my applications and correct right away. I have two drop downs on the same page using the same select list. ex. HomeCity and CurrentCity both populated from the same list of cities. Therefore in code both populated from the same IEnumerable<selectListItem> It turns out that if

问题 I just ran into an issue that I have never noticed before and I want to know if this is something isolated to my current project for some reason or if this is an issue that I need to panic about and check every one of my applications and correct right away. I have two drop downs on the same page using the same select list. ex. HomeCity and CurrentCity both populated from the same list of cities. Therefore in code both populated from the same IEnumerable<selectListItem> It turns out that if

问题 I am not sure if this is a bug with the DropDownListFor extension or what, but we had the following: http://mydomain.com/path/page?myparam=myvalue In my View Model I have the following: public string MyParam { get; set; } public List<SelectListItem> ParamOptions { get; set; } When I do the following in my View it fails to select the correct value: @Html.DropDownListFor(x => x.MyParam, Model.ParamOptions, "Select Value") However, when I change the parameter 'MyParam' in my view model to