Underline particular Text in ASP.Net TextBox using C# and VB.Net

I will get back to you soon.

Hi chetan,

With normal textbox its not possible. Use label control or some editor.

Refer below sample.

HTML

<asp:TextBox ID="txtText" runat="server" TextMode="MultiLine" />
<br />
<asp:Label ID="lblText" runat="server" />
<script type="text/javascript" src="//tinymce.cachefly.net/4.0/tinymce.min.js"></script>
<script type="text/javascript">
    tinymce.init({
        selector: 'textarea',
        toolbar: false,
        menubar: false
    });
</script>

Code

C#

protected void Page_Load(object sender, EventArgs e)
{
    txtText.Text = "To File a Program Complaint - If you wish to file a Civil Rights program complaint of discrimination, complete the USDA Program Discrimination Complaint Form, found online at <u>www.ascr.usda.gov/ad-3027-usda-program-discrimination-complaint-form</u>, or at any USDA office, or call (866) 632-9992 to request the form. You may also write a letter containing all of the information requested in the form. Send your completed complaint form or letter by mail to the U.S. Department of Agriculture, Office of the Assistant Secretary for Civil Rights, 1400 Independence Avenue, S.W., Washington, D.C. 20250-9410 or email at <u>program.intake@usda.gov</u>.";
    lblText.Text = "To File a Program Complaint - If you wish to file a Civil Rights program complaint of discrimination, complete the USDA Program Discrimination Complaint Form, found online at <u>www.ascr.usda.gov/ad-3027-usda-program-discrimination-complaint-form</u>, or at any USDA office, or call (866) 632-9992 to request the form. You may also write a letter containing all of the information requested in the form. Send your completed complaint form or letter by mail to the U.S. Department of Agriculture, Office of the Assistant Secretary for Civil Rights, 1400 Independence Avenue, S.W., Washington, D.C. 20250-9410 or email at <u>program.intake@usda.gov</u>.";
}

VB.Net

Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs) Handles Me.Load
    txtText.Text = "To File a Program Complaint - If you wish to file a Civil Rights program complaint of discrimination, complete the USDA Program Discrimination Complaint Form, found online at <u>www.ascr.usda.gov/ad-3027-usda-program-discrimination-complaint-form</u>, or at any USDA office, or call (866) 632-9992 to request the form. You may also write a letter containing all of the information requested in the form. Send your completed complaint form or letter by mail to the U.S. Department of Agriculture, Office of the Assistant Secretary for Civil Rights, 1400 Independence Avenue, S.W., Washington, D.C. 20250-9410 or email at <u>program.intake@usda.gov</u>."
    lblText.Text = "To File a Program Complaint - If you wish to file a Civil Rights program complaint of discrimination, complete the USDA Program Discrimination Complaint Form, found online at <u>www.ascr.usda.gov/ad-3027-usda-program-discrimination-complaint-form</u>, or at any USDA office, or call (866) 632-9992 to request the form. You may also write a letter containing all of the information requested in the form. Send your completed complaint form or letter by mail to the U.S. Department of Agriculture, Office of the Assistant Secretary for Civil Rights, 1400 Independence Avenue, S.W., Washington, D.C. 20250-9410 or email at <u>program.intake@usda.gov</u>."
End Sub

Screenshot