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I have a windows forms, and when I hit submit, it’ll use the Error Provider class to display a little red error icon next to all the fields that are invalidate and display the error message as a tooltip.
Is it easy to have all error messages of the error provider be displayed in like a summary box or a strip on the top of the form?
I know how I would do it in ASP.NEt but am unfamiliar with Windows Forms
There isn’t a control that automatically does this for you. You would have to manually track when errors have been detected or resolved. Once you have a list of the errors then you could easily display them to the user in a list.
See this question I asked a while ago. Hans Passant provided a small helper class that you could use and easily modify.