Textbox with number field - numeric field - Ajax ajaxToolkit:NumericUpDownExtender - with max length

  <div>

            <ajaxToolkit:NumericUpDownExtender runat="server" Maximum="10" Minimum="1"   TargetControlID="txtNumberOfAwards" Width="200" />

            <asp:TextBox ID="txtNumberOfAwards" runat="server" CssClass="form-control" MaxLength="2" Text="0"></asp:TextBox>

            

            <asp:RangeValidator runat="server" ControlToValidate="txtNumberOfAwards" ErrorMessage="Enter number between 0 to 10" Type="Integer" MinimumValue="0" MaximumValue="10" ForeColor="Red" ValidationGroup="transfer_request" SetFocusOnError="true"></asp:RangeValidator>

        </div>

aspx.cs

 protected void Page_Load(object sender, EventArgs e)

        {

          

            if (!IsPostBack)

            {

txtNumberOfAwards.MaxLength = 2;

}

}