Index.cs

@{
    var comics = new[] { 
        new {Title = "Groo", Publisher = "Dark Horse Comics"},
        new {Title = "Spiderman", Publisher = "Marvel"}
    };
}

<h1>Normal</h1>

<table border="1">
    <tr><th>Title</th><th>Publisher</th></tr>
    @Html.Repeater(
        items: comics, 
        template:
            @<tr>
                <td>@item.Title</td>
                <td>@item.Publisher</td>
            </tr>
    )
</table>

<h1>With Separator</h1>

<table border="1">
    <tr><th>Title</th><th>Publisher</th></tr>
    @Html.Repeater(
        items: comics, 
        template: 
            @<tr>
                <td>@item.Title</td>
                <td>@item.Publisher</td>
             </tr>,
        separator: @<tr><td colspan="2">----</td></tr>
    )
</table>

<h1>Empty</h1>

<table border="1">
    <tr><th>Title</th><th>Publisher</th></tr>
    @Html.Repeater(
        items: comics.Where(_=> false), 
        template: 
            @<tr>
                <td>@item.Title</td>
                <td>@item.Publisher</td>
             </tr>,
        separator: @<tr><td colspan="2">----</td></tr>,
        empty: @<tr><td colspan="2">nothing...</td></tr>
    )
</table>