Is the selectedValue (Model.SelectedCountry) a country Id? It seems that there is something wrong with the MVC Preview 2 on the selectedvalue of dropdownlist. The reason I need to use the first option is so that I can add the class attribute to the control. I'm having the same problem even though I changed the viewbag names. Also, you should use a view model class rather than using ViewBag. I just did a Mini project with the Code I need to work, so as the controller said, I need that for the department 1, it get selected the Department type 2. It does not seem to be the case, because you set NewsItemId as the selected value while your collection is based on NewsItemId.Items which may not be of the same type. Configuration. Solution 1. public class BiodataSingle { public BiodataSingle () { this.MDA = new List<SelectListItem> (); this . Please refer to the Another point, regarding which should work, AFAIK List<> is an IEnumberable class (can other people confirm this please? How to bind dropdownlist in partial view in mvc 4 using model? Any idea/solution ? I am sure it is simple mistake I made but I just can't find it. I have posted some example code on that thread, <%= Html.DropDownList("SelectedCountry", Html.DropDownList Selected Value Not Working (Using Constructor with IEnumerable<SelectListItem>) Dropdown list selected value not working; MVC DropDownList selected value not working; Windows Phone 8 - Localization not working; ContactPicker is not working in Windows Phone 8.1 Silverlight; Windows Authentication not working on local IIS 7.5 . User navigate away and after some time s/he come back to list view 5. How can I dynamically add data to a List property in view model in a razor view? I have have checked all steps and iids are stored and loaded back, but selectListItem call does nothing Click here to learn more about the October 2022 updates! In other views I have this code that works well, and get the selected value in an Edit View: Controller: ViewBag.AREA_ID = new SelectList(securityAreaList, "ID", "DESCRIPTION", securityActivity.AREA_ID); View: @Html.DropDownList("AREA_DDL", (IEnumerable<SelectListItem>)ViewBag.AREA_ID, "-- Select Area --", new { @class = "form-control input-sm" }) We don't see where the values come from. Click button 'Save to memory' - iid are stored to cookie 4. I did lots of forms, and It works fine when I create into the controller a select list and asign it to a viewbag with the same name as the property name. Again, I will try to be clear: let say we have one Person, that has a list of contact and each contact has a Contact Type. I tried all I know to try to get selected my DropdownList when I am in an edit form. Is this a bug with .NET 4.5? I created a measure like you did to capture the selection of the axis value: GetSelected Sales Territory = SELECTEDVALUE ('Dimension City' [Sales Territory]) I assigned the measure to a card visual, as you can see from the gif below, it works as expected, so as @MattAllington asked, please describe in more detail your expected result. public Country(int id, string name) public int Id { get; set; } Could you provide more details as to how this fixes the problem? In other views I have this code that works well, and get the selected value in an Edit View: But, now its differente because I have a list of contact, so it makes a list of Combos, I am not able to create something like : ViewBag.Combo1,ViewBag.Combo2, etc. Thanks loads. Why am I getting some extra, weird characters when making a file from grep output? Don't tell someone to read the manual. That bug is evil. you need to pass in IEnumerable rather than a select list (see my reply to your post on that thread for more detail), and AFAIK List is a correct parameter, rather than a SelectList object (however intuitive that In the example "Denemark". I have changed it List in Model View property. working ? PASS Data Community Summit 2022 returns as a hybrid conference. Chances are they have and don't get it. Select few items 3. jquery select2 modal not opening modal on select2 example modal on select2 select2 change event not working in modal search not working in modal select2 select2 not searching select2 input not working in modal select2 search is not working how to load select2 in modal opening select 2 not working in modal popup select 2 search doesn't work . new SelectListItem() {Text="--Please Select--", Value="0"}, This change was introduced in order to match better default behavior of the SELECT element. I don't understand what I am doing wrong from the controller I send the select List: I suggest you could refer to the following code: Edit: If it is still not working, I suggest you could check the DropDownList values and make sure it contains the selected value. I remember in the past that the Selected option was not working in past versions and you had to figure out other ways to get that to work. How to Get Your Question Answered Quickly. public class Country I only see 1 visual, Fetching the selected value. . If a question is poorly phrased then either ask for clarification, ignore it, or. simple and straightforward and no fluff. I specified Model.SelectedCountry.Id as per your suggestion but couldn't help to fix the issue. DropDownListFor Not Selecting Value. A card visual is above the column chart that is captures the selected sales territory, and goes blank if no axis value is selected. Maybe you want to create an issue. Anyway from the controller I load all the lists I need, I pass into the model of the views and partial views, but it does no select the value: Obviously Model.ContactTypeSelectList is a MVC SelectList with one selected value, and I see the selected value when debugging. I also believe the selectedValue will need to be a country Id. Nope, Model.SelectedCountry is an exposed property of tye 'Country' object in View Model object. Thursday, September 18, 2014 9:20 AM 0 Sign in to vote User-1657171777 posted I have an issue where the selected value is not working for the Html.DropDownList helper method. I am post backing page upon a 'button' click. What happens is that if one DropDownListFor has a selected value (ie. How to control Windows 10 via Linux terminal? Problem is in your ViewBag property name. country object collection 2.valuefield 3.textfield 4.selectedvalue (country object) which are exposed as properties in my view model object.controller is filling up this properties after post back happens.but last value - 'selectedvalue' is not working as expected.controller is setting previosuly selected country to this property after post back I adapted my code with your example and it works. { Namespace: Microsoft.AspNetCore.Mvc.Rendering . You will have to change you list generation process to only set one option as selected. Do you need your, CodeProject, public class TestModel { public string Gender { get; set; } public IEnumerable<SelectListItem> GenderList { get { List<SelectListItem> list = new List<SelectListItem> { new SelectListItem() { Text = "Select", Value = "Select" }, new SelectListItem() { Text = "Male", Value = "Male" }, new SelectListItem() { Text = "Female", Value = "Female" } }; return list.Select(l => new SelectListItem { Selected = (l.Value == Gender), Text = l.Text, Value = l.Value }); } } } } spelling and grammar. Assigning the this measure to title of the text box like so: Unfortunately the title will of the chart itself will not be updated, not sure if this is a bug or by design. Understand that English isn't everyone's first language so be lenient of bad See below: However when I try the below in by view it works: The below also works but since the field name does not match the model, it will not post correctly. The 12th annual .NET Conference is the virtual place to be for forward thinking developers who are looking to learn, celebrate, and collaborate. Please explain exactly what you expect to see. I created a measure like you did to capture the selection of the axis value: I assigned the measure to a card visual, as you can see from the gif below, it works as expected, so as@MattAllington asked, please describe in more detail your expected result. I saw one place working and another not working using the syntax, When I researched this, I determined the ViewBag.NewsItemId was actually a null in the view. Why are all solutions like this. as expected.Controller is setting previosuly selected country to this property after post back but it is not binding to dropdown control after postabck.As result always first item of drop down is being selected by default.So why attribute 'selectedValue' not public List Countries{ get; set; } You should just change name of your ViewBag prop to something else, like: I tried lot of stuff but eventually got it working like this. These are my entities: a Counterparty has many contacts, and one contact has a "contact Type" and this is the combo isn't working. That way you will not have to cast. Hope it will help you to fix your problem. Youll be auto redirected in 1 second. https://1drv.ms/u/s!Apvu9B7DB5Mng0KUCWm8bAJpmkk9. SelectListItem as I mentioned before? Thanks mac10 and Mad-Halfling for your help. Thank you for your suggestion. +1 (416) 849-8900. SelectList(Model.Countries,"Id","Name",Model.SelectedCountry) where fourth parameter is accepting an object (selectedValue).So i believe we can seems to be, and aside from the fact that the Html.DropDownList method will accept it, it is wrong). I even look at the Data columns after selecting the Country and the columns seem to be black too. First of all, how do you populate ViewBag.NewsItemId.Items ? I only see one visual - the one you are selecting. This property is typically rendered as a value="." attribute in the HTML <option> element. And 'Model.Countries' is also an exposed property of type 'Countries' i.e. As long as the select element is within the form, the user's selected value is submitted to the action along with any other form inputs. I have tried to write some code as per your requirements to test what you want and it works fine for me. My dropdown list items populated from the database table and working fine and want to save the selected dropdown list item into another sql database table but saving only value (id) instead text. public string Name { get; set; } User click 'Reselect items' - I am calling selectListItem with iid loaded from cookie. specific selected value. First thing is, as few other suggested, the selectedValue will need to be a country Id as your dataValueField is country Id. { specify an 'Country' object. Youll get to hear from industry-leading experts, make connections, and discover cutting edge data platform products and services. Then you need to add the 'class' attribute and suddenly it breaks. If item.NewsItemId is of type T, ViewBag.NewsItemId.Items must be of type IEnumerable (or any other collection type implementing it). You should just change name of your ViewBag prop to something else, like: ViewBag.NewsItemList = new SelectList(ViewBag.NewsItemId.Items, "Id", "Name", item.NewsItemId); and on View The content must be between 30 and 50000 characters. Firefox is probably removing the selected attribute from all of the options. Youll be auto redirected in 1 second. return db.Categories.Select(s=>new SelectListItem { Value=s.Id.ToString(), Text=s.Name, Selected = model.Categories.Exists(z => z.CategoryId == s.CategoryId); } Instead of selecting the CategoryId s from model.Categories and then checking if s.CategoryId is in that list, we can check to see if there Exists() an item in model.Categories for . Somebody helps me to solve these problems. Html.DropDownList Selected Value Not Working (Using Constructor with IEnumerable). The typical pattern is submitting an HTML form [HttpPost] by clicking a submit button. 1. So simply doing this: var selectionList = new List<SelectListItem> { new SelectListItem { Value=".", Text=".", Selected=true } }; and your Razor: Another possible reason (and the correct one, based on the comments below) is that ViewData ["Title"] is overridden by another value. How To Get Selected Option Value From Drop Down List Using JavaScript [ with source code ], Part 34 Generating a dropdownlist control in mvc using HTML helpers, L-30 | Change value on select | dropdown get value | selected dropdown text | select option value js, Populate a DropDownList based on another dropdownlist selected value in ASP.NET, (#55) Dropdown in asp.net core using SelectList | Asp.Net Core tutorial, ASP.NET Core MVC Tutorial Insert Save Dropdownlist Selected Value Visual Studio2019, Get the value of dropdown list on select index changed in ASP NET MVC 5 | Part 30, Dynamically Populate Second Dropdownlist from a first dropdownlist using Jquery Ajax, Asp.Net Core 6: Bind DropDownList and Access Selected Value In Controller Using C#.Net, How to get the Selected Value from dropdown menu without submit button in JavaScript. What are you trying to do? Represent string as currency or decimal using razor @Html.textboxfor, How to send data from view to controller on button click, MVC4 Partial View Error "Object reference not set to an instance of an object. List in View Model object. Could someone help me understand what I am doing wrong? If not, you can try it again. I assigend it by using the column name ("test" in my case) and "first" summerarzion. Id = id; Thank you once again for your help. new public class CountryModel <%= Html.DropDownList("Countries", Gets or sets a value that indicates the value of this SelectListItem . Yes,I tried specifying property nameas name for Drop Down,but still drop down is setting back firstitemas selected itemupon post back. I deleted all the unneccery columns to make it simple. A card visual is above the column chart that is captures the selected sales territory, and goes blank if no axis value is selected. { }. Unix to verify file has no content and empty lines, BASH: can grep on command line, but not in script, Safari on iPad occasionally doesn't recognize ASP.NET postback links, anchor tag not working in safari (ios) for iPhone/iPod Touch/iPad, Adding members to local groups by SID in multiple languages, How to set the javamail path and classpath in windows-64bit "Home Premium", How to show BottomNavigation CoordinatorLayout in Android, undo git pull of wrong branch onto master. please create a pbix, that allows to recreated the issue, upload the file to onedrive or dropbox and share the link. In order to make a selected value work, it must be of the same type as the elements of your collections. Gets or sets a value that indicates the value of this SelectListItem. Issue in 'selectedValue' attribute of SelectList used with DropDown MVC, namespace MVCPost.Models If not, you can try it again. (Sorry about finnish in the text values and variable names, but those shouldn't matter :D), and it works. ", How To Change Default View In MVC 4 Web Application. } In your ViewModel, set this to true for the item that should be selected initially. Were sorry. The title of the text box and the bar chart should be change when choosing the country. The commit ( 773ff47) that closes this issue prevents selection of the first item if the widget's value is set using the value method. Did you create SelectListItem as I mentioned before? Because it is same as your property in Model it will not work. postback. This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL). The content you requested has been removed. } Sessions throughout each day brought by Microsoft MVPs, knowledge leaders, and technical experts from across a wide variety of industries. thread and use SelectListItem. @TomMartens@MattAllingtonThanks for the replay. The content you requested has been removed. As I mentioned in my reply to your post on my thread (where I was having the same problem), http://forums.asp.net/p/1469027/3432797.aspx#3432797. being set properly. Countries : List, IEnumerable, IEnumerable. Hi Denis, Solution 2: You need this in your controller ViewBag.LocGenederAllowedList = new SelectList (db.SomeValues, "Value", "Text",selectedValue); And in your view its bound property isn't null) all subsequent DropDownListFor which are populated using the same SelectListItem List and don't have a selected value have their default selection changed to whatever the previously selected value was. I trying to useSELECTEDVALUE function and it is not returning any value after I filter the reoprt when pressing one bar at Bar chart. Please provide the view and controller action. public int SelectedCountryId { get; set; } It may have broken on an upgrade? Provide an answer or move on to the next question. And then in view I just put (I have the onchange event and class for dropdown too here but you can remove those if you want). new So a working syntax, with the Model and ViewBag fields having the same name is. Below is my code: Controller C# List<SelectListItem> mlist = new List<SelectListItem> (); mlist.Add ( new SelectListItem { Text = "-Please select Option-", Value = "Select" }); mlist.Add ( new SelectListItem { Text = "No", Value = "No" }); mlist.Add ( new SelectListItem { Text = "Yes", Value = "Yes" }); ViewData [ "myList"] = mlist; Where are you expecting to see the selected value? The challenge with a link is, links do not submit an HTML form and the link does not contain the user's selection. { LINQ syntax where string value is not null or empty; LINQ: adding where clause only when a value is not null; C# LINQ select from where value is not contained in array / list; LINQ, simplifying expression - take while sum of taken does not exceed given value . This Value Property. The SelectListItems you are passing to the DropDownList have a property Selected . Reference; Definition. specifying id or country objectdoesn't make anydifference. I have prepared a StackBlitz example here. and still nothing. Select List Item. I tested with the following code and it works fine as it is selecting the previously selected country in the dropdown list box after SelectList(Model.Countries,"Id","Name",Model.SelectedCountry))%>. email is in use. Set value of the Title property in the controller: ViewBag.TitleList = new SelectList (new string [] { "Mr", "Miss", "Ms", "Mrs" }); viewModel.Title = "Miss"; // Miss will be selected by default. Problem is in your ViewBag property name. It worked for me.I was using our own object 'Countries' which is nothing but collection of 'country' in my Model View property. A good reason not to use ViewBags and View Dictionaries. This happens even though expected behaviour would be to just leave the subsequent DropDownListFor selected to their default values. Because the List of contact I am not able to use a ViewBag variable, so each contact in the list must have his own Dropdown with a Country object collection 2.valuefield 3.textfield 4.selectedValue (country object) which are exposed as properties in my View Model Object.Controller is filling up this properties after post back happens.But last value - 'selectedValue' is not working I have a textbox title assiged to the column by using title text and than fx. 20 Bay Street, 11th Floor Toronto, Ontario, Canada M5J 2N8 Name = name; ), But see my other note on using a List rather than List. See my post in the other thread for some more comments about how you did this. Since new C# How to access value of Selected property of SelectListItem in LINQ query? I had tried approach (using 'SelectList' suggested in thread you specified) of creating SelectList instance and assinging it to ViewData and use the same within html DropDown.But this seems to be not working for me.Still previously selected value is not SelectList(Model.Countries,"Id","Name",Model.SelectedCountry))%>. I am using 'SelectList' within in drop as below by sepcifying. In My controller I made one option with its property selected as you suggested and it worked fine. Great solution, It worked for me as well. But strange thing is my old 'Countries' is still inheriting IEnumerable interface. Because it is same as your property in Model it will not work. Were sorry.
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