Created helper for rendering collection (http://code.google.com/p/elmah/source/browse/src/Elmah/ErrorDetailPage.cshtml)

ErrorDetailPage.cshtml

@* Generator: Template TypeVisibility: Internal *@
@using System.Globalization
@using System.IO
@using System.Web
@using Elmah
@inherits WebTemplateBase
@{
    var basePageName = Request.ServerVariables["URL"];
    
    //
    // Retrieve the ID of the error to display and read it from 
    // the store.
    //

    var errorId = Request.QueryString["id"] ?? string.Empty;

    if (errorId.Length == 0)
    { 
        return;
    }

    var log = this.ErrorLog ?? ErrorLog.GetDefault(Context);
    var errorEntry = log.GetError(errorId);

    //
    // Perhaps the error has been deleted from the store? Whatever
    // the reason, bail out silently.
    //

    if (errorEntry == null)
    {
        Response.Status = HttpStatus.NotFound.ToString();
        <p>Error not found in log.</p>
        return;
    }

    var title = string.Format("Error: {0} [{1}]", errorEntry.Error.Type, errorEntry.Id);

    Layout = new Elmah.MasterPage
    {
        Context  = Context, /* TODO Consider not requiring this */
        Title    = title,
        Footnote = string.Format("This log is provided by the {0}.", log.Name),
        SpeedBarItems = new[] 
        {
            SpeedBar.Home.Format(basePageName),
            SpeedBar.Help,
            SpeedBar.About.Format(basePageName),
        },
    };

    var error = errorEntry.Error;
}

@*
// Write out the page title containing error type and message.
*@

<h1 id="PageTitle">@error.Message</h1>

<p id="ErrorTitle">@*
    *@<span id="ErrorType">@error.Type</span>@*
    *@<span id="ErrorTypeMessageSeparator">: </span>@*
    *@<span id="ErrorMessage">@error.Message</span></p>

@*
// Do we have details, like the stack trace? If so, then write 
// them out in a pre-formatted (pre) element. 
// NOTE: There is an assumption here that detail will always
// contain a stack trace. If it doesn't then pre-formatting 
// might not be the right thing to do here.
*@

@if (error.Detail.Length != 0)
{
    <pre id="ErrorDetail">@MarkupStackTrace(error.Detail)</pre>
}

@*
// Write out the error log time. This will be in the local
// time zone of the server. Would be a good idea to indicate
// it here for the user.
*@

<p id="ErrorLogTime">@string.Format(
    @"Logged on {0} at {1}",
    error.Time.ToLongDateString(),
    error.Time.ToLongTimeString())</p>

@*
// Render alternate links.
*@

<p>See also:</p>

<ul>

@*
// Do we have an HTML formatted message from ASP.NET? If yes
// then write out a link to it instead of embedding it 
// with the rest of the content since it is an entire HTML
// document in itself.
*@

    @if (error.WebHostHtmlMessage.Length != 0)
    {
      
        var htmlUrl = basePageName + "/html?id=" + Uri.EscapeDataString(errorEntry.Id);
        <li><a href="@basePageName/html?id=@Uri.EscapeDataString(errorEntry.Id)">Original ASP.NET error page</a></li>
    }

@*
// Add a link to the source XML and JSON data.
*@

    <li>Raw/Source data in 
        <a rel="@HtmlLinkType.Alternate" 
           type="application/xml" 
           href="xml@(Request.Url.Query)">XML</a>
        or in
        <a rel="@HtmlLinkType.Alternate" 
           type="application/json" 
           href="json@(Request.Url.Query)">JSON</a>
    </li>
</ul>

@*
// If this error has context, then write it out.
// ServerVariables are good enough for most purposes, so
// we only write those out at this time.

private void RenderCollection(HtmlTextWriter writer,
    NameValueCollection collection, string id, string title)
{
    Debug.Assert(writer != null);
    Debug.AssertStringNotEmpty(id);
    Debug.AssertStringNotEmpty(title);
*@

@RenderCollection(error.ServerVariables,"ServerVariables", "Server Variables")

@function RenderCollection(NameValueCollection collection, string Id, string title) {

    //
    // If the collection isn't there or it's empty, then bail out.
    //

    if (collection.Data != null && collection.Data.Count > 0)
    {
        var items = 
            from i in Enumerable.Range(0, collection.Data.Count)
            select new
            {
                Index  = i,
                Key    = collection.Data.GetKey(i),
                Value  = collection.Data[i],
            };
        
        items = items.OrderBy(e => e.Key, StringComparer.OrdinalIgnoreCase);
        
        <div id="@collection.Id">

            <h2>@collection.Title</h2>
            @*
            // Some values can be large and add scroll bars to the page
            // as well as ruin some formatting. So we encapsulate the
            // table into a scrollable view that is controlled via the 
            // style sheet.
            *@

            <div class="scroll-view">

                <table cellspacing="0" style="border-collapse:collapse;" class="condensed-table zebra-striped">
                    <tr>
                        <th class="name-col" style="white-space:nowrap;">Name</th>
                        <th class="value-col" style="white-space:nowrap;">Value</th>
                    </tr>
    
                    @foreach (var item in items)
                    {
                        <tr class="@(item.Index % 2 == 0 ? "even" : "odd")">
                            <td class="key-col">@item.Key</td>
                            <td class="value-col">@item.Value</td>
                        </tr>
                    }

                </table>
            </div>
        </div>
    }
}

@*
}
*@