Print whole contain of Multiline textbox

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printing

I have one text box with MultiLine Mod in report.aspx page,
but when print this page ,does not display whole contain of MultiLine textbox.
for print i used following code.
href="javascript: print(); in tag

C#

<div id="printDiv" style="width: 100%; background-color: #e6e6e6; text-align: right;
        font-weight: bold; display: none;">
        [<a href="javascript: print();" title="Print this FFCF">print</a>] 
    </div>

How can it possible in print page.