CompareValidator - double

<asp:CompareValidator ID="CompareValidatorAmountDepositMin" runat="server"
        ErrorMessage="Znesek vplacila je premajhen!" ControlToValidate="AmountDeposit" Operator="GreaterThanEqual"
        ValidationGroup="ErrormessageValidationGroup" ValueToCompare="1" Type="Double" Display="Dynamic">
        <asp:Image ID="Image13" runat="server" ImageUrl="~/Images/warning.png" ImageAlign="TextTop" /></asp:CompareValidator>
<asp:CompareValidator ID="CompareValidatorAmountDepositMax" runat="server"
        ErrorMessage="Znesek vplacila je prevelik!" ControlToValidate="AmountDeposit" Operator="LessThanEqual"
    ...