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I have a MaskedTextBox using the mask "00/00/\2\000" to restrict input to a format of XX/XX/20XX, with the Text property bound to MyBindingSource.SomeProperty of type DateTime.

Recently, values with a single-digit month or day recently started displaying incorrectly. I expect that the ToString() method is being called on the value at some point in data binding, and I believe the call is not padding month / day with zeroes.

I tried setting the format type of the MaskedTextBox.Text property to DateTime in the advanced data binding properties, but it didn't help.

How can I apply ToString("MMddyyyy") when converting the DateTime object to a string, before the value is bound to the Text property?

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この回答に見られるように、バインディングのParseおよびFormatイベントを使用して自分で変換を行うことができます

于 2010-02-24T20:20:43.903 に答える