Getting of selected text in WebControls TextBox and capture event press "Enter" using c#

<i><b>Originally posted by : Margarita (margarita_master@walla.co.il)</b></i><br />Hi all!<br /><br />How to capture event press "Enter" button in WebControls TextBox (MultiLine) Control <br /><br /> and how to change each user pressing of "Enter" <br /><br />on the <br> tag in text in the TextBox Control on C#?<br /><br />Can anyone tell me how to edit text in WebControls TextBox <br /><br />(MultiLine) Control, to get selected text in WebControls TextBox <br /><br />(MultiLine) Control.<br /><br />My be anybody know where is word.dll? (From c# walkthrough - msdn: creating Web applications using C#)<br /><br />Hot to write same on C#:<br /><%# CStr(creek_ds2.FieldValue("my_text", Container)).Replace (Chr(13), "<br>") %> ?<br /><br />My be is there another way to do that?<br /><br />Thanks in advance.<br />Margarita<br />