<a href="@Url.Action("RunReport", "Performance", new { reportView = Model.ReportView.ToString() }, new { target = "_blank" })" type="submit" id="runReport" class="button Secondary">@Reports.RunReport</a>

<a href="@Url.Action("RunReport", "Performance", new { reportView = Model.ReportView.ToString() })"
   type="submit"
   id="runReport"
   target="_blank"
   class="button Secondary">
     @Reports.RunReport
</a>

@Html.ActionLink(Reports.RunReport, "RunReport", new { controller = "Performance", reportView = Model.ReportView.ToString() }, new { target = "_blank" })

<a href="@Url.Action("RunReport", "Performance",
    new { reportView = Model.ReportView.ToString() })",
    target = "_blank" type="submit" id="runReport" class="button Secondary">
    @Reports.RunReport
</a>

@Html.ActionLink("Report View", "RunReport", null, new { target = "_blank" })

@Html.ActionLink("New tab please", "Home", null , new { target = "_blank" })

@Html.ActionLink("New tab please", "Home", Nothing, New With {Key .target = "_blank"})

@Html.ActionLink(linkText: "TestTab", actionName: "TestAction", controllerName: "TestController", routeValues: null, htmlAttributes: new { target = "_blank"})

<a  target="_blank" class="btn" data-ng-href="@Url.Action("RunReport", "Performance")?hotelCode={{hotel.code}}">Select Room</a>