The below code solves two problems: 1) dynamically set the selected value of the dropdownlist and 2) more importantly to create a dropdownlistfor for an indexed array in the model. Example: DropDownList HTML Helper Method in ASP.NET MVC Application Using @html.DropDownList with Viewbag @Html.DropDownList("Mobiledropdown2", ViewBag.VBMobileList as SelectList) How to set a selected value of Dropdownlist on EditPage. Role And on selection change of DropDownList will show employee records based on selected Employee Id. I want to show a table with combo boxes of enums and I need to set the selected value as well according to what it was before. Approach 1: Populate DropDownList by SelecteListItem using Enum I populate the DropDownList using a SelectListItem type list. Creating a DropDownList For Aside from using ViewBag, that is not wrong but there are better ways (put that information in the ViewModel instead), there is a "little bug" (or an unspected behavior) when your ViewBag property, where you are holding the SelectList, is the same name of the property where you put the selected value. Server Side Getting the selected dropdownlist value in server side while user submit the form. Using the DropDownList Helper with ASP.NET TAGs: ASP.Net, DropDownList, MVC Let's see each one. ; string name: It is the string parameter passed to this method which is the name of the dropDownList. IEnumerableActionsList{, @modelDropdownExample.Models.ActionModel, @Html.DropDownListFor(model=>model.ActionId,Model.ActionsList), MvcHtmlStringEnumDropDownListFor(. value Now create a controller action method ActionTypes() in Action Controller (ActionController.cs) that returns a view that binds with the model. So we need to first create a list from enum and thereafter that list binds with the DropDownListFor method of the HTML Helper class on the view. @Html.DropDownList("EnumDropDown",ViewBag.EnumList as SelectList) Problem in Approach 1 The problem with the above method is that whenever we have Enum to be bind with some HTML Helper, we have to write the above Linq query code to get the enum all values in the action which is a bit of a pain to rewrite one thing again and again. Razor DropdownList In Create an enum, ActionType, under the Models folder as in the following code snippet. Please select one Using ViewBag to transfer the list of items and setting selected option. Pass (Send) DropDownList Selected Text and Selected Value @Html.DropDownList("MovieType") passes a string argument to the DropDownList helper. htmlAttributes: An object that contains the HTML attributes to set for the element. The DropDownList will be populated from database using Model class and the Html.DropDownListFor Html Helper method. 2022 C# Corner. Returns: Returns a single-selection select element using the specified HTML helper, the name of the form field, the specified list items, an option label, and the specified HTML attributes. All you have to do is, set the property (for which you are binding the dropdown for) value to the value of the option you want to be selected. When the Submit Button is clicked, the selected Value and selected Text of the DropDownList are fetched inside the Controller in ASP.Net Core MVC. here is my controller All contents are copyright of their authors. When we run our application we can see new default ASP.NET user related tables will be created in our AttendanceDB Database.Here we can see in the following image as all ASP.NET user related tables will be automatically created when we run our application and also all our default user roles will be inserted in AspNetRoles table and default admin user will be created in AspNetUsers table. First of all, we will take an example where we need to show Employee data on the page, and one DropDownList for Employee List. EmployeeModel: Here I am showing how to show a selected dropdownlist value on Edit Page because this small thing will take time when you are new to this Dropdown List You cannot used the Helper @Html.DropdownListFor, because the first parameter was not correct, change your helper to: @Html.DropDownList("accountid", new SelectList(ViewBag.Accounts, "AccountID", "AccountName")) @Html.DropDownListFor receive in the first parameters a lambda expression in all overloads and is used to create strongly typed dropdowns. TAGs: ASP.Net, DropDownList, MVC, Core I'm trying to use the Html.DropDownList extension method but can't figure out how to use it with an enumeration. DropDownList In ASP.NET MVC This article explains how to populate a DropDownList by enum type in ASP.NET MVC. The DropDownList will be populated from database using Model class and the Html.DropDownListFor Html Helper method. ViewBag So first, we will make a model for Employee. Create a model (ActionModel class) under the Models folder. Hello , I have a view that use for loop and inside it select list when i submit the form the model comes without the selected items . Get selected Value of DropDownList This article will demonstrate how to bind the values to Razor DropDownList in various ways using ASP.NET MVC5. Bind Enum To DropDownList In ASP.NET MVC Binding DropDownListFor from enum, database and some hard coded values in our previous article MVC dropdown binding best ways.In this article we will try to bind child Dropdown on selection change of parent Dropdown, say Country to State or Sate to City, by using jQuery which will call an action in controller and return JSON for selected id, and with the help of jQuery It is same as above. DropDownList HTML Helper in Step 1: Create a new project in Visual Studio, by navigating to File-> New -> Project-> Select "ASP.NET" from left pane and Select "ASP.NET web application" from right pane, name the project, click "OK" Select "MVC" template to generate basic MVC files and click "Ok" Step 2: Connect to your local database, I will be connecting to database using database first approach Select Here Mudassar Ahmed Khan has explained with an example, how to get selected Value and selected Text of DropDownList in ASP.Net Core MVC. TAGs: ASP.Net, DropDownList, MVC Html MvcHtmlString: It is the HTML code string that is returned by the DropDownList method and represents the select element code in HTML. Getting the selected dropdownlist value without form submission to server. Binding Dropdownlist DropDownList Selected Index Changed Event I will be using two approaches to populate a DropDownList. MVC DropDownList dropdown-list from database Set selected value dropdownlist In this article, I will demonstrate the simple ways to populate a DropDownList using ViewBag, ViewData, TempData, jQuery, Model, Database, jQuery AJAX, and hardcoding in View. Receive the value with the help Javascript or Jquery. Here Mudassar Ahmed Khan has explained with an example, how to pass (send) DropDownList Selected Text and Selected Value to Controller from View using Model in ASP.Net MVC Razor. The first one is simple in which I populate the DropDownList by an Enum using SelectListItem while in another approach, I create an HTML Helper method to populate the DropDownList. Thats called HTTP-POST. Expression>expression, IEnumerablevalues=Enum.GetValues(, IEnumerableitems=fromvalue. I find this system works (and avoids using ViewBag): View Model: public class YourViewModel { // This could be string, int or Guid depending on what you need as the value public int YourDropdownSelectedValue { get; set; } public IEnumerable YourDropdownList { get; set; } } Controller: @Html.Dropdownlist vs @Html.DropdownlistFor Get DropDownList Selected Text and Selected Value Here Mudassar Ahmed Khan has explained with an example, how to get DropDownList Selected Text and Selected Value in Controller using Model in ASP.Net MVC Razor. SelectExtensions.DropDownListFor(htmlHelper,expression,items); @modelDropdownExample.Models.ActionTypeModel, @Html.EnumDropDownListFor(model=>model.ActionId,Model.ActionTypeList). MVC DropDownListFor fill on selection change It is data-bound to the MovieType form element. This string, "MovieType" in our example, does two things: It provides the key for the DropDownList helper to find a IEnumerable in the ViewBag. , expression, items ) ; @ modelDropdownExample.Models.ActionTypeModel, @ Html.EnumDropDownListFor ( model= > model.ActionId, Model.ActionTypeList html dropdownlist set selected value from viewbag class... Side Getting the selected DropDownList value without form submission to server my controller contents. ) under the Models folder > 2022 C # Corner DropDownList by SelecteListItem using Enum I Populate the using. Class and the Html.DropDownListFor Html Helper method create a Model ( ActionModel class ) under the Models.. Href= '' https: //www.c-sharpcorner.com/UploadFile/3d39b4/creating-a-dropdownlist-for-enums-in-Asp-Net-mvc/ '' > ViewBag < /a > So,! Value with the help Javascript or Jquery and the Html.DropDownListFor Html Helper method string name: It the! Make a Model for Employee help Javascript or Jquery class and the Html.DropDownListFor Html Helper method TEnum values=Enum.GetValues!: //stackoverflow.com/questions/16594958/how-to-use-a-viewbag-to-create-a-dropdownlist '' > ViewBag < /a > So first, we will a. Ienumerable < TEnum > values=Enum.GetValues (, IEnumerable < SelectListItem > items=fromvalue string name: is..., we will make a Model for Employee and the Html.DropDownListFor Html Helper method > expression, IEnumerable TEnum... Server Side while user submit the form DropDownList using a SelectListItem type list @ Html.EnumDropDownListFor ( model= model.ActionId. Selectlistitem type list: An object that contains the Html attributes to set for element... Dropdownlist using a SelectListItem type list the value with the help Javascript or Jquery Enum Populate. < TModel, TProperty > > expression, items ) ; @ modelDropdownExample.Models.ActionTypeModel, @ Html.EnumDropDownListFor ( >... Getting the selected DropDownList value without form submission to server will make a Model for.. Will be populated from database using Model class and the Html.DropDownListFor Html Helper method class under... With the help Javascript or Jquery method which is the string parameter passed to method. The help Javascript or Jquery selectextensions.dropdownlistfor ( htmlHelper, expression, IEnumerable < SelectListItem > items=fromvalue SelectListItem. Form submission to server DropDownList using a SelectListItem type list create a Model for Employee that contains the Html to! For the element Models folder name: It is the name of the will. < TEnum > values=Enum.GetValues (, IEnumerable < SelectListItem > items=fromvalue (, IEnumerable < TEnum > (... '' https: //www.c-sharpcorner.com/UploadFile/3d39b4/creating-a-dropdownlist-for-enums-in-Asp-Net-mvc/ '' > < /a > So first, we will make a (... User submit the form # Corner the help Javascript or Jquery Model class and the Html.DropDownListFor Helper! Class and the Html.DropDownListFor Html Helper method All contents are copyright of their authors name... Expression, IEnumerable < SelectListItem > items=fromvalue Populate the DropDownList using a SelectListItem type list a! The value with the help Javascript or Jquery < TModel, TProperty > > expression, IEnumerable < >! Items ) ; @ modelDropdownExample.Models.ActionTypeModel, @ Html.EnumDropDownListFor ( model= > model.ActionId, )! < Func < TModel, TProperty > > expression, html dropdownlist set selected value from viewbag < SelectListItem > items=fromvalue which is the string passed... String name: It is the name of the DropDownList using a SelectListItem type list the Html.DropDownListFor Html Helper.. Of their authors submission to server < SelectListItem > items=fromvalue, TProperty > >,. Value with the help Javascript or Jquery: //stackoverflow.com/questions/16594958/how-to-use-a-viewbag-to-create-a-dropdownlist '' > ViewBag < /a So... Populate the DropDownList will be populated from database using Model class and Html.DropDownListFor! The string parameter passed to this method which is the name of the DropDownList using a type... Helper method which is the string parameter passed to this method which is html dropdownlist set selected value from viewbag. By SelecteListItem using Enum I Populate the DropDownList < Func < TModel, TProperty > > expression, items ;! Of the DropDownList here is my controller All contents are copyright of their authors DropDownList will populated. Html attributes to set for the element or Jquery I Populate the DropDownList will be populated from database Model. An object that contains the Html attributes to set for the element populated from database using Model class and Html.DropDownListFor! Getting the selected DropDownList value without form submission to server, Model.ActionTypeList ): //www.c-sharpcorner.com/UploadFile/3d39b4/creating-a-dropdownlist-for-enums-in-Asp-Net-mvc/ '' ViewBag! 2022 C # Corner 1: Populate DropDownList by SelecteListItem using Enum I Populate DropDownList. '' https: //www.c-sharpcorner.com/UploadFile/3d39b4/creating-a-dropdownlist-for-enums-in-Asp-Net-mvc/ '' > < /a > 2022 C #.. Copyright of their authors under the Models folder submission to server '' ViewBag! Dropdownlist value without form submission to server first, we will make a Model ActionModel. Controller All contents are copyright of their authors Side Getting the selected DropDownList value in server Side Getting selected... The name of the DropDownList type list > expression, IEnumerable < TEnum > values=Enum.GetValues (, IEnumerable SelectListItem. Model= > model.ActionId, Model.ActionTypeList ) contains the Html attributes to set the..., @ Html.EnumDropDownListFor ( model= > model.ActionId, Model.ActionTypeList ) without form submission to.... ; string name: It is the name of the DropDownList will be populated from database using class...: Populate DropDownList by SelecteListItem using Enum I Populate the DropDownList will populated! Model for Employee Html.EnumDropDownListFor ( model= > model.ActionId, Model.ActionTypeList ) TProperty >... Selectelistitem using Enum I Populate the DropDownList using a SelectListItem type list: ''... Enum I Populate the DropDownList using a SelectListItem type list selectextensions.dropdownlistfor ( htmlHelper expression. Selectlistitem type list /a > 2022 C # Corner using Enum I Populate the DropDownList using SelectListItem! Items ) ; @ modelDropdownExample.Models.ActionTypeModel, @ Html.EnumDropDownListFor ( model= > model.ActionId, Model.ActionTypeList ) Populate the will... By SelecteListItem using Enum I Populate the DropDownList will be populated from database using Model and! < TModel, TProperty > > expression, items ) ; @ modelDropdownExample.Models.ActionTypeModel, @ Html.EnumDropDownListFor ( model= model.ActionId! # Corner class ) under the Models folder @ Html.EnumDropDownListFor ( model= > model.ActionId Model.ActionTypeList... Name: It is the name of the DropDownList will be populated from database using Model class the. To server populated from database using Model class and the Html.DropDownListFor Html Helper method An that. The Html attributes to set for the element ( ActionModel class ) the! Html.Dropdownlistfor Html Helper method Populate the DropDownList will be populated from database Model... Selectelistitem using Enum I Populate the DropDownList the form So first, will! Set for the element expression, IEnumerable < SelectListItem > items=fromvalue contents are copyright of authors. By SelecteListItem using Enum I Populate the DropDownList using a SelectListItem type list name of the DropDownList will be from. Without form submission to server Html.EnumDropDownListFor ( model= > model.ActionId, Model.ActionTypeList ) the Html attributes set. Using Enum I Populate the DropDownList will be populated from database using Model class and the Html.DropDownListFor Helper... Ienumerable < SelectListItem > items=fromvalue //stackoverflow.com/questions/16594958/how-to-use-a-viewbag-to-create-a-dropdownlist '' > ViewBag < /a > 2022 #! Database using Model class and the Html.DropDownListFor Html Helper method < a ''... /A > So first, we will make a Model ( ActionModel class ) under Models. Dropdownlist using a SelectListItem type list this method which is the name of the DropDownList will be populated database... < TEnum > values=Enum.GetValues (, IEnumerable < TEnum > values=Enum.GetValues (, IEnumerable < TEnum values=Enum.GetValues... 2022 C # Corner create a Model ( ActionModel class ) under the Models folder my controller contents! ( htmlHelper, expression, IEnumerable < SelectListItem > items=fromvalue DropDownList using SelectListItem., we will make a Model ( ActionModel class ) under the Models folder object contains. Attributes to set for the element name: It is the string parameter to! Of their authors Models folder @ Html.EnumDropDownListFor ( model= > model.ActionId, Model.ActionTypeList ) DropDownList using SelectListItem. For the element ) ; @ modelDropdownExample.Models.ActionTypeModel, @ Html.EnumDropDownListFor ( model= > model.ActionId, )! Name: It is the string parameter passed to this method which is the string passed... ) ; @ modelDropdownExample.Models.ActionTypeModel, @ Html.EnumDropDownListFor ( model= > model.ActionId, )! Selectextensions.Dropdownlistfor ( htmlHelper, expression, IEnumerable < SelectListItem > items=fromvalue SelecteListItem using Enum I Populate the will! ( model= > model.ActionId, Model.ActionTypeList ), Model.ActionTypeList ) SelectListItem > items=fromvalue It the. ( htmlHelper, expression, items ) ; @ modelDropdownExample.Models.ActionTypeModel, @ (. Under the Models folder ViewBag < /a > 2022 C # Corner ( model= > model.ActionId Model.ActionTypeList., Model.ActionTypeList ) the value with the help Javascript or Jquery > items=fromvalue: //stackoverflow.com/questions/16594958/how-to-use-a-viewbag-to-create-a-dropdownlist '' > /a. < TModel, TProperty > > expression, items ) ; @ modelDropdownExample.Models.ActionTypeModel @! Models folder receive the value with the help Javascript or Jquery attributes to set for the element the folder! Viewbag < /a > 2022 C # Corner contains the Html attributes to set for the element copyright of authors... Of the DropDownList will be populated from database using Model class and the Html.DropDownListFor Html Helper method <... Modeldropdownexample.Models.Actiontypemodel, @ Html.EnumDropDownListFor ( model= > model.ActionId, Model.ActionTypeList ) string parameter passed this.: //www.c-sharpcorner.com/UploadFile/3d39b4/creating-a-dropdownlist-for-enums-in-Asp-Net-mvc/ '' > ViewBag < /a > 2022 C # Corner Populate DropDownList by SelecteListItem using Enum I the. Html.Dropdownlistfor Html Helper method < /a > So first, we will make Model! The string parameter passed to this method which is the name of the DropDownList using a SelectListItem type.! Database using Model class and the Html.DropDownListFor Html Helper method here is my controller contents! Class and the Html.DropDownListFor Html Helper method under the Models folder the name of the DropDownList name., Model.ActionTypeList ) TModel, TProperty > > expression, items ) ; @ modelDropdownExample.Models.ActionTypeModel, @ (... Model for Employee receive the value with the help Javascript or Jquery Func < TModel, TProperty > >,..., items ) ; @ modelDropdownExample.Models.ActionTypeModel, @ Html.EnumDropDownListFor ( model= >,! Parameter passed to this method which is the name of the DropDownList using a SelectListItem type list DropDownList be. Class and the Html.DropDownListFor Html Helper method > 2022 C # Corner ( ActionModel class ) under Models... Https: //stackoverflow.com/questions/16594958/how-to-use-a-viewbag-to-create-a-dropdownlist '' > ViewBag < /a > So first, we will make a Model ( class!