Message in Chinese (Traditional) (中文（繁體）)
在針對資料作業叫用模型方法前發生。如果在程式碼後置檔案以外的自訂型別上定義模型方法，就要處理這個事件。
Unlocalized message
Occurs before model methods are invoked for data operations. Handle this event if the model methods are defined on a custom type other than the code behind file.
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