MenuTransactions = 

<asp:Menu
ID="MenuTransactions"
StaticDisplayLevels="1"
CssClass="Transactionmenu"
StaticSubMenuIndent="10px"
runat="server"
ItemWrap="true"
Orientation="Horizontal"
OnMenuItemDataBound="MenuTransactions_MenuItemDataBound"
OnMenuItemClick="MenuTransactions_MenuItemClick">

MultiView1 =

<div class="tab-content" id="myTabContent">
<asp:MultiView
ID="MultiView1"
runat="server"
ActiveViewIndex="0">

<asp:View ID="tabSaleTransaction" runat="server">

</asp:View>

<asp:View ID="tabAccountTransaction" runat="server">

</asp:View>

</asp:MultiView>
</div>

/*Actual Start here*/

if (transViewFlag == 0)
{
       MultiView1.ActiveViewIndex = 0;
       MenuTransactions.FindItem("0").Selected = true;
}
else
{
       MultiView1.ActiveViewIndex = 1;
       MenuTransactions.FindItem("1").Selected = true;
}