How select Default today date in textbox control?

Question

Source code : 

<asp:TextBox ID="txtfrmDate" runat="server" Height="34px" type="date"

class="form-control" ></asp:TextBox>

 

C# code :

 

   txtfrmDate.text=convert.todatetime(DateTime.Now.ToString()).ToString("mm/dd/yyyy");

  or

 txtfrmDate.text=DateTime.Now.ToString("mm/dd/yyyy");

 

 

If i am running the website .It's not taking defaultly today date.