Telerik Forums
UI for WinForms Forum
3 answers
193 views

I have a controls RadTextBox, RadDateTimePicker, RadDropdown etc... I want to add icon to each control that is the Mandatory Field sign to the user. Currently in TELERIK I am able to see only error icon, that also not showing immediately after the form load.

-----------------------------------------------------

Below is an example for what I am expecting:

I used other tool controls which provides that facility.

I used below components in another tool, to show you what I am expecting.

  1. ValidationProvider
  2. ErrorProvider

Please see attached filed to know my expected result.

  • DesignTime:

           

  • Run Time:

           

 

Please do the needful, and code it/suggest and attach a sample app.

Thanks

Nadya | Tech Support Engineer
Telerik team
 answered on 23 May 2024
1 answer
310 views

It seems that after the Validation Provider kicks in on a control - and sets focus to it and displays the 'error' message....

That it keeps the focus on that control and the user cannot click on a different control on the form.

So, for example.

Let's say there are 2 radio buttons - each radio button causes a dropdown to load certain records

The user clicks on the Dropdown - then realizes they needed to click on the 2nd radio button first.

But now, the validation provider won't let them click the 2nd radio button because it maintains focus on the dropdown.

Is there a way to 'release' the focus so that the user can click on the 2nd radio button?

Dess | Tech Support Engineer, Principal
Telerik team
 answered on 30 Jul 2021
1 answer
313 views

Is it possible to add your own operators to the list of valid radvalidatorprovider's own operators.   I have a requirement for two operators:

 

1.  See if a value is already contained with a Dictionary object, if so the operator should cause the validation to fail.

2. See if a folder path specified in a textboxcontrol exists on dick.  If not, then the validation should fail.

 

I know I could do this in code, and simply display a dialog stating the error, but I want consistent validation reporting throughout my application.

Nadya | Tech Support Engineer
Telerik team
 answered on 16 Jun 2021
7 answers
570 views
How can I create (by code) a validation rule to test if the length of the text of a control is less then a maximun value or is between a minimun and a maximun value ?
Dess | Tech Support Engineer, Principal
Telerik team
 answered on 12 Oct 2020
1 answer
126 views

Can the validation provider do multiple levels of validation. Example it would be a warning if a number was greater than 2.5 and a hard stop error over 5?

Thanks,

Tim

Dess | Tech Support Engineer, Principal
Telerik team
 answered on 19 Aug 2020
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