Passing multiple command arguments in a gridview rowcommand event

<asp:GridView ID="GridView1" runat="Server" 

 AutoGenerateColumns="False" 

 OnRowCommand="GridView1_RowCommand">

          <Columns>

            <asp:BoundField DataField="carid" HeaderText="Card Id" />

               <asp:BoundField DataField="Year" HeaderText="year" />

               <asp:TemplateField>

                      <ItemTemplate>

                       <asp:Button ID="btnTest" runat="Server" 

 CommandName="Test" Text="Select" 

CommandArgument='<%#Eval("carid") + ","+Eval("year") %>' />

                     </ItemTemplate>

                   </asp:TemplateField>

               </Columns>

           </asp:GridView>

In code behind 

protected void GridView1_RowCommand(object sender, GridViewCommandEventArgs e)

    {

        if (e.CommandName == "Test")

        {

          string[] commandArgs =

 e.CommandArgument.ToString().Split(new char[] 

{ ',' });

       Label1.Text= commandArgs[0];

       Label2.Text = commandArgs[1];

        }

    }

}