May have encountered a bug with validation on RadMaskedTextbox with RequiredFieldValidator, where the textbox remains invalid despite a valid input being entered.
Steps to replicate:
- Enter a complete, valid number
- Click outside of textbox
- Click back into textbox and delete some numbers
- Click outside of textbox to get the validation message
- Now enter a complete, valid number again - still treated as invalid and error message remains displayed.
Markup:
<h4>Telephone:</h4><telerik:RadMaskedTextBox ID="tbTelephone" runat="server" Width="164px" Skin="Silk" Mask="###########" RequireCompleteText="true" /><asp:RequiredFieldValidator ID="rfvTelephone" runat="server" Display="Dynamic" CssClass="validation" Text="*Required" ControlToValidate="tbTelephone" />