c# - asp.net scrollbars on empty textbox -

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i have textbox follows:

    <asp:textbox id="textbox1" runat="server" width="100px" rows="3" readonly="true"  borderstyle="none" borderwidth="0" textmode="multiline" text='<%# eval("notes") %>'  backcolor="#222222" forecolor="white"></asp:textbox>

how can make vertical scrollbar not displayed when textbox either empty or doesn't need scroll because text fits in 3 lines?

you can css specifying overflow:auto;. can manually add attribute cssstylecollection @ textbox1.style in page's code-behind, or can apply cssclass value declaratively , define css class in external stylesheet.

here documentation on css overflow : http://www.quirksmode.org/css/overflow.html

here documentation on textbox.style property: http://msdn.microsoft.com/en-us/library/system.web.ui.webcontrols.webcontrol.style


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