How to remove scroll bar in IFrame

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Ajax

IFrame

Hi I have IFrame inside Ajax tab container.I want to remove both horizontal and vertical scroll bar . I have already used

scrolling="no"

inside iFRame.But still scroll bars are coming. How to remove both Horizontal and vertical scroll bar. please help me anybody.

<Ajx:ToolkitScriptManager  runat="server" EnablePartialRendering="true" ID="ScriptManager1" />

   <Ajx:TabContainer  runat="server" Width="100%" ID="tcTabs" Visible="true" CssClass="Tab"
                        BorderStyle="None" ScrollBars="None">


 <Ajx:TabPanel  runat="server" ID="tpInvestment" HeaderText="Investment" Width="50px" BorderStyle="None" ScrollBars="None">

       <contenttemplate>
  <iframe id="ifInvestment" src="PlanningFixedAssets.aspx?PageName=PDOVendor"  runat="server"
      width="100%" height="650px" style="border-style: none;" scrolling="no"></iframe>
                            </contenttemplate>