Question

I have a asp.net mvc view which is strongly typed view and i have a controller which returns
the ilist user based on the id provided. I am getting the following above error:

The model item passed into the dictionary is of type ‘System.Collections.Generic.List`1[Data.User]’, but this dictionary requires a model item of type ‘Data.User’.

<%@ Page Title="" Language="C#" MasterPageFile="~/Views/Shared/Site.Master" Inherits="System.Web.Mvc.ViewPage<Data.User>" %>
<% using (Html.BeginForm()) 
{%> <%= Html.ValidationSummary(true) %>            
<fieldset> 

 <legend>Fields</legend>                
                <div class="editor-label">
                    <%= Html.LabelFor(model => model.Id) %>
                </div>
                <div class="editor-field">
                    <%= Html.TextBoxFor(model => model.Id) %>
                    <%= Html.ValidationMessageFor(model => model.Id) %>
                </div>                
                <div class="editor-label">
                    <%= Html.LabelFor(model => model.UserName) %>
                </div>
                <div class="editor-field">
                    <%= Html.TextBoxFor(model => model.UserName) %>
                    <%= Html.ValidationMessageFor(model => model.UserName) %>
                </div>

                <div class="editor-label">
                    <%= Html.LabelFor(model => model.Email) %>
                </div>
                <div class="editor-field">
                    <%= Html.TextBoxFor(model => model.Email) %>
                    <%= Html.ValidationMessageFor(model => model.Email) %>     

     public ActionResult EditUser(int id)
            {

                    var usr = _UsrService.GerUserById(id).ToList<User>();                
                    return View(usr);
            }

Answer 1

You can’t pass a List to a modal that is to display a single item.

Try removing the .ToList<User> so that it looks something like

Data.User usr = _UsrService.GetUserById(id).FirstOrDefault;
return View(usr)