Hi,
When I try to use client side validation on RadMaskedTextbox as follows, the validation still takes place after a postback. is this a bug?
I try to follow your demo https://demos.telerik.com/aspnet-ajax/textbox/functionality/validation/defaultvb.aspx
<asp:TextBox ID="batch" runat="server" Width="60%"></asp:TextBox>
<asp:RequiredFieldValidator ErrorMessage="Mandatory" ValidationGroup="Contact" Enabled="True" id="batchReq" ControlToValidate="batch" CssClass="text-danger small" display="dynamic" runat=server />
<br />
<telerik:RadMaskedTextBox RenderMode="Lightweight" EnableEmbeddedSkins="false" Skin="MetroTouchNeutral" ValidationGroup="Contact" ID="rmt_tijd" visible="true" runat="server" Mask="<0..24>:<0..59>" Width="30%"></telerik:RadMaskedTextBox>
<asp:RequiredFieldValidator EnableClientScript="true" ErrorMessage="Mandatory" ValidationGroup="Contact" Enabled="true" InitialValue="00:00" id="RequiredFieldValidator3" ControlToValidate="rmt_tijd" CssClass="text-danger small" display="dynamic" runat=server />
<br />
<asp:Button ID="Button1" runat="server" Text="Button" ValidationGroup="Contact" />
Thanks for your help, stay safe
Marc