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Asked: 2026-05-10T15:58:31+00:00

I have the following webform: <%@ Page Language=C# AutoEventWireup=true CodeBehind=Default.aspx.cs Inherits=TestWebApp.Default %> <!DOCTYPE html

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I have the following webform:

<%@ Page Language='C#' AutoEventWireup='true' CodeBehind='Default.aspx.cs'      Inherits='TestWebApp.Default' %>  <!DOCTYPE html PUBLIC '-//W3C//DTD XHTML 1.0 Transitional//EN'      'http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd'>  <html xmlns='http://www.w3.org/1999/xhtml' > <head runat='server'>     <title></title> </head> <body>     <form id='form1' runat='server'>     <div>         <asp:TextBox ID='txtMultiLine' runat='server'              Width='400px' Height='300px' TextMode='MultiLine'></asp:TextBox>         <br />         <asp:Button ID='btnSubmit' runat='server'              Text='Do A Postback' OnClick='btnSubmitClick' />     </div>     </form> </body> </html>

and each time I post-back the leading line feeds in the textbox are being removed. Is there any way that I can prevent this behavior?

I was thinking of creating a custom-control that inherited from the textbox but I wanted to get a sanity check here first.

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1 Answer

  1. I ended up doing the following in the btnSubmitClick()

    public void btnSubmitClick(object sender, EventArgs e) {     if (this.txtMultiLine.Text.StartsWith('\r\n'))     {         this.txtMultiLine.Text = '\r\n' + this.txtMultiLine.Text;     } }

    I must be really tired or sick or something.

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