How to make Textbox text font as Underline?

Answer:

We have a Font-Underline property in Asp.Net controls which is used for setting Text font as Underline.It has True/False property.Set Font-Underline property to true to make text underline.

For Example:-

<asp:TextBox ID="TextBox1" runat="server" Font-Underline="true"></asp:TextBox>