<%@ Page Title="" Language="C#" MasterPageFile="~/Views/Shared/Site.Master" Inherits="System.Web.Mvc.ViewPage<Setup.Mvc.ViewModels.SignUpViewModel>" %>

<asp:Content ID="Content1" ContentPlaceHolderID="TitleContent" runat="server">
    SignUp
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="MainContent" runat="server">
    <% using (Html.BeginForm("SignUp", "SetUp", FormMethod.Post))
       {

    %>
    <%: Html.ValidationSummary()%>
    <button  type="submit" value="Register" name="ActionRegister" >Register</button>
    <button  type="submit" value="Cancel" name="ActionCancel" class="cancel" >Cancel</button>
    <fieldset>
        <legend>Account Information </legend>
        <dl>
            <dt>
                <%:Html.LabelFor(x=>x.UserName)%>
            </dt>
            <dd>
                <%: Html.TextBoxFor(x=>x.UserName) %>
                <%: Html.ValidationMessageFor(model => model.UserName) %>
            </dd>
            <% if (string.IsNullOrEmpty(Model.Provider))
               {
            %>
            <dt>
                <%:Html.LabelFor(x=>x.Password)%>
            </dt>
            <dd>
                <%: Html.PasswordFor(x => x.Password)%>
                <%: Html.ValidationMessageFor(model => model.Password) %>
            </dd>
            <%
               } %>
            <dt>
                <%:Html.LabelFor(x=>x.Email)%>
            </dt>
            <dd>
                <%: Html.TextBoxFor(x=>x.Email) %>
                <%: Html.ValidationMessageFor(model => model.Email) %>
            </dd>
            <dt>
                <%:Html.LabelFor(x=>x.Themes) %>
            </dt>
            <dd>
                <%: Html.DropDownList("ThemeId", Model.Themes.Select(x=> new SelectListItem{ Text = x.DisplayName, Value = x.DisplayName}), "Select a Theme") %>
                <%: Html.ValidationMessageFor(model => model.Themes) %>
            </dd>
        </dl>
    </fieldset>
    <fieldset>
        <legend>
            <h2>
                Additional Information</h2>
        </legend>
        <dl>
            <dt>
                <%:Html.LabelFor(x=>x.PublicSite)%>
            </dt>
            <dd>
                <%:Html.CheckBoxFor(x => x.PublicSite)%>
                <%: Html.ValidationMessageFor(model => model.PublicSite) %>
            </dd>
            <dt>
                <%:Html.LabelFor(x=>x.SiteUrl)%>
            </dt>
            <dd>
                http://cheesyurl.com/<%:Html.TextBoxFor(x => x.SiteUrl)%>
                <%: Html.ValidationMessageFor(model => model.SiteUrl) %>
            </dd>
        </dl>
    </fieldset>
    <%
       }%>
</asp:Content>

[HttpPost]
    [ActionName("SignUp")]
    [UnitOfWork]
    [AcceptParameter(Action = "ActionRegister")]
    public ActionResult SignUp_Register(SignUpViewModel vm)
    {
        return View();
    }

Parametersapplication/x-www-form-urlencoded
Email   wayne@isit.gd
Password    sdfsdfsdfsdf
PublicSite  false
SiteUrl sdfsdfsdf
ThemeId
UserName    Usernames-12131
Source
Content-Type: application/x-www-form-urlencoded Content-Length: 112 UserName=Usernames-Sux0r&Password=sdfsdfsdfsdf&Email=wayne%40isit.gd&ThemeId=&PublicSite=false&SiteUrl=sdfsdfsdf

<input type="submit" name="Delete" value="Delete" />
<input type="submit" name="Edit" value="Delete" />

<input  type="submit" value="Register" name="ActionRegister"/>
<input  type="submit" value="Cancel" name="ActionCancel" class="cancel" />

<% using (Html.BeginForm("SignUp", "SetUp", FormMethod.Post))
{%>
<%: Html.ValidationSummary()%>
     <input type="submit" value="Register" name="actionName" />
     <input  type="submit" value="Cancel" name="actionName" class="cancel">Cancel</input>
}

public ActionResult SignUp_Register(SignUpViewModel vm,string actionName)
{
    if(actionName =="Register")
          //Do something;
    if(actionName =="Cancel")
          //Do something;

    return View();
}

<button  type="submit" value="Register" name="ActionRegister" >Register</button>
<button  type="submit" value="Cancel" name="ActionCancel" class="cancel" >Cancel</button>

<button type="submit" id="btnRegister" name="btn" class="btn btn-primary" value="Register">
        Register
    </button>
    <button type="submit" id="btnCancel" name="btn" class="btn btn-primary" value="Cancel">
        Cancel
    </button>

[HttpPost]
    public ActionResult SignUp_Register(string btn, SignUpViewModel vm m)