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我正在將應用日期驗證從VB.NET應用於excel單元格(範圍)。從VB.Net向Excel單元格應用日期驗證
Private Sub DateValidExcelRule(ByVal worksheet As SpreadsheetGear.IWorksheet, ByVal DateRange As String)
Dim dt As Date = CDate("1/1/1900")
worksheet.Range(DateRange).Validation.Delete()
worksheet.Range(DateRange).Validation.Add(ValidationType.Date, ValidationAlertStyle.Stop, ValidationOperator.Greater, dt, Nothing)
worksheet.Range(DateRange).NumberFormat = "mm/dd/yyyy"
worksheet.Range(DateRange).Validation.IgnoreBlank = True
worksheet.Range(DateRange).Validation.InputTitle = "Excel Validation"
worksheet.Range(DateRange).Validation.ErrorTitle = "Error in Date"
worksheet.Range(DateRange).Validation.InputMessage = "Note: only date values here"
worksheet.Range(DateRange).Validation.ErrorMessage = "Enter valid Date"
worksheet.Range(DateRange).Validation.ShowInputMessage = True
worksheet.Range(DateRange).Validation.ShowError = True
End Sub
問題:
當我輸入4個位數的整數7777
它被驗證正確地示出消息Enter Valid Date
,但是當我進入5個位數77777
它被接受的值並將其轉換爲12/10/2112
值和未示出任何錯誤消息。
在這裏,我想要做的是我想驗證單元格值爲任何日期格式mm/dd/yyyy
。
請讓我知道,我會以正確的方式嗎?