Using numerictextbox :
- FireFox (rel.67.0.1) accept non numeric characters.
- IE (rel. 11.461) , correctly, accept only numeric but entering the page in debug mode in Visual Studio, I get the error in attach.
- Edge is ok
Thanks
Mario
 
	
		<telerik:RadNumericTextBox runat="server" Type="Number" ShowSpinButtons="true" MinValue="0" MaxValue="99999" RenderMode="Classic" MaxLength="5" ConvertEmptyStringToNull="False">    <IncrementSettings InterceptArrowKeys="false" InterceptMouseWheel="true" />    <NumberFormat DecimalDigits="0" /></telerik:RadNumericTextBox><telerik:RadNumericTextBox ID="Test" runat="server" Width="125px" Type="Number" MaxLength="3" SelectionOnFocus="SelectAll" RenderMode="Classic">    <NumberFormat GroupSeparator="." /></telerik:RadNumericTextBox>        <script>            Telerik.Web.UI.RadInputControl.prototype._isNormalChar = function (e) {                                 if (($telerik.isOpera && e.rawEvent.which == 0) ||                    ($telerik.isSafari && (e.charCode < Sys.UI.Key.space || e.charCode > 60000))) {                    return false;                }                return true;            }        </script>