<asp:TextBox id="tb1" runat="server" />
<asp:TextBox id="tb2" TextMode="password" runat="server" />
<asp:TextBox id="tb3" Text="Hello World!" runat="server" />
<asp:TextBox id="tb4" TextMode="multiline" runat="server" />
<asp:TextBox id="tb5" rows="5" TextMode="multiline" runat="server" />
<asp:TextBox id="tb6" columns="30" runat="server" />