<!DOCTYPE html>
<html>
<body>
<form runat="server">
Single Line:
<asp:TextBox id="tb1" Text="Name" runat="server" />
<br><br>
Multi Line:
<asp:TextBox id="tb2" Text="Name" TextMode="MultiLine" runat="server" />
<br><br>
Password:
<asp:TextBox id="tb3" TextMode="Password" runat="server" />
</form>

</body>
</html>