title: @Html.DropDownList() Placeholder as Disable and Selected
body: <p>If I use a <code>@Html.DropDownList()</code> with static values then Placeholder can be created as first option and it is possible to apply Disabled and Selected attribute on this option like this </p>
  
  <pre><code>@Html.DropDownList("month", new List&lt;SelectListItem&gt;
  {
      new SelectListItem{ Text="Select Month", Value = "0" , Disabled = true, Selected = true},
      new SelectListItem{ Text="January", Value = "1" },
      new SelectListItem{ Text="February", Value = "2" },
      new SelectListItem{ Text="March", Value = "3" },
      new SelectListItem{ Text="April", Value = "4" },
      new SelectListItem{ Text="May", Value = "5" },
      new SelectListItem{ Text="June", Value = "6" },
      new SelectListItem{ Text="July", Value = "7" },
      new SelectListItem{ Text="August", Value = "8" },
      new SelectListItem{ Text="September", Value = "9" },
      new SelectListItem{ Text="October", Value = "10" },
      new SelectListItem{ Text="November", Value = "11" },
      new SelectListItem{ Text="December", Value = "12" },
  }, new {@class = "form-control"})
  </code></pre>
  
  <p>But if I create dropdown list like with a number range and make a Place holder like this:</p>
  
  <pre><code>@Html.DropDownList("year", 
        Enumerable.Range(1900, 200)
            .Select(i =&gt; new SelectListItem { Text = i.ToString(), Value = i.ToString() }), 
        "Please Select Year", new { @class = "form-control" })
  </code></pre>
  
  <p>Is it possible to make this <code>Please Select Year</code> Disabled and Selected?</p>
  
  <p><a href="https://i.stack.imgur.com/E3tjx.png" rel="noreferrer"><img src="https://i.stack.imgur.com/E3tjx.png" alt="This is the output of first dropdownlist where first option is Disabled"></a></p>
  
  <p><a href="https://i.stack.imgur.com/UmFWd.png" rel="noreferrer"><img src="https://i.stack.imgur.com/UmFWd.png" alt="I want this please Select Year as Disabled"></a></p>