add edit users for admin

Views/users/Edituser.cshtml

@@ -0,0 +1,49 @@
+@model WebApplication1.Models.user
+
+@{
+    ViewBag.Title = "Edituser";
+}
+
+<h2>Edituser</h2>
+
+@using (Html.BeginForm())
+{
+    @Html.AntiForgeryToken()
+    
+    <div class="form-horizontal">
+        <h4>user</h4>
+        <hr />
+        @Html.ValidationSummary(true, "", new { @class = "text-danger" })
+        @Html.HiddenFor(model => model.ID)
+
+
+        <div class="form-group">
+            @Html.LabelFor(model => model.displayname, htmlAttributes: new { @class = "control-label col-md-2" })
+            <div class="col-md-10">
+                @Html.EditorFor(model => model.displayname, new { htmlAttributes = new { @class = "form-control" } })
+                @Html.ValidationMessageFor(model => model.displayname, "", new { @class = "text-danger" })
+            </div>
+        </div>
+
+        <div class="form-group">
+            @Html.LabelFor(model => model.role, htmlAttributes: new { @class = "control-label col-md-2" })
+            <div class="col-md-10">
+                <select name="role" class="form-control">
+                    <option value="0">User</option>
+                    <option value="2">Admin</option>
+                </select>
+                @Html.ValidationMessageFor(model => model.role, "", new { @class = "text-danger" })
+            </div>
+        </div>
+
+        <div class="form-group">
+            <div class="col-md-offset-2 col-md-10">
+                <input type="submit" value="Save" class="btn btn-default" />
+            </div>
+        </div>
+    </div>
+}
+
+<div>
+    @Html.ActionLink("Back to List", "Index")
+</div>