ASP.NET MVC > View - Form specific

Create a drop down in razor view in ASP.NET MVC

How to create a drop down in ASP.NET MVC view?

There are few scenarios when we need to create a dropdown in the ASP.NET MVC Razor view.

To bind static items in the DropDownList 

@Html.DropDownList("dropRoles", new List<SelectListItem>() 
new SelectListItem() { Text= "Yes", Value = "true" },
new SelectListItem() { Text= "No", Value = "false", Selected = true }
}, "Select ...")

Here, the name of the DropDownList is dropRoles and items will be Yes and No. The first item will be “Select …”.

In case the requirement is to bind the DropDownList items from action method of the Controller, we need to set the items collection into ViewBag and use it as source code.


var data = from p in db.PersonalDetails              
                                join f in db.Files                 
                              on p.AutoId equals f.PersonalDetailsId              
                             select new                    
                             PersonName = p.FirstName,       
                         MyFileName = f.FileName   
           SelectList list = new SelectList(data, "MyFileName", "PersonName");   
           ViewBag.Roles = list;


@Html.DropDownList("MultipleTables", ViewBag.Roles as SelectList) 

Here SelectList instance accepts collection of the object as parameter from which the source of the DropDown to build, the second parameter is the name of the data value field and the third parameter is the text value field that would be used in the item of the DropDownList.

For more details on DropDownList, please visit this article.

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