C control on validating

What we want to do is a simple entry form for an e-mail address. Markup; --------------------- Hidden note: You have a mistype in the last parameter of this line: --------------------- public override Validation Result Validate(object value, Culture Info ulture Info) --------------------- It's "culture Info" with " C" instead of "ulture Info".

If the user enters an invalid e-mail address, the border of the textbox gets red and the tooltip is showing the reason. Problem: I tried to define <sys: String x: Key="email Regex"> but got the error that the TYPE "sys: String" NOT FOUND.

The problem I am experiencing is when a control fails its validating event and the user clicks another tab things get messy. I guess maybe I should have asked only how to prevent a user from leaving a tab page. You can combine this with Validating event, where you can set Cancel=true to prevent further events after Validating. Generally speaking, I would suggest to reconsider whole validation scheme you use now - whatever unusual things you are trying to do. Ideally, I think the Hi Dennis, Based on my understanding, you want to validating all the controls on the tabpage before switch pages.

Drumm" Is there a way to prevent the user from leaving a tab on a Tab Control until all the controls on that tab have finished validating? Ideally, I think the Dennis, I expect that while you are executing code in Leave event your other page cannot receive focus (even if can, there will be no interaction possible if you don't call App. Hence, if your validation in Leave fails you can always go back to original page and select / focus corresponding control. The problem I am experiencing is when a control fails its validating event and the user clicks another tab things get messy.

Is there any way I can disable this validation errors on controls till user tries to submit the form? Error Content, you can add , Binds Directly To Source="True" and it will always show the first error and won't "lie to you" about errors that have already been corrected.

Except that the error will not necessarily be correct if there's more than one error. Alternatively, you could replace your Validation Tool Tip Template with the following: Thanks for your nice tutorial.

The problem I am experiencing is when a control fails its validating event and the user clicks another tab things get messy. Drumm" all the controls on that tab have finished validating?

- This posting is provided "as is" with no warranties and confers no rights.Event Args e) bool b_switch=false; private void button1_Click(object sender, System.Event Args e) Thank you for your patience and cooperation.I have some code that checks and makes sure that when the users enters in the field an integer from 1 - 10 has to be input.Although if the users takes focus of the field, the "bad" data (such as "fdgfdg") is still left in the field.

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