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我有以下代碼,它從VB中的某些DateTimePickers中讀取日期和時間。如何檢查字符串的第一個字符是什麼vb
我需要能夠確定第一個值是0還是1(例如09:12 ...或12:13 ...),並且如果它以0開頭以將該字符從字符串。
這是我到目前爲止,但它需要第一個字符不管。
DateFrom = Form1.DateTimePickerFrom.Value.ToString
DateTo = Form1.DateTimePickerTo.Value.ToString
VarTimeFrom = Form1.HourTimePickerFrom.Value.ToString
VarTimeTo = Form1.HourTimePickerTo.Value.ToString
Dim DateFromManipulated = Left(DateFrom, 10)
Dim DateToManipulated = Left(DateTo, 10)
Dim TimeFromManipulated = Right(VarTimeFrom, 9)
Dim TimeToManipulated = Right(VarTimeTo, 9)
If Left(DateFromManipulated, 1) = 0 Then
TimeFromMan = TimeFromManipulated.Remove(0, 1)
Else
TimeFromMan = TimeFromManipulated
End If
If Left(TimeFromManipulated, 1) = 0 Then
TimeToMan = TimeToManipulated.Remove(0, 1)
Else
TimeToMan = TimeToManipulated
End If
Console.WriteLine(DateFromManipulated)
Console.WriteLine(TimeToMan)
Console.WriteLine(TimeFromManipulated)
Console.WriteLine(TimeFromMan)
Console.WriteLine(DateToManipulated)
Console.WriteLine(TimeToManipulated)
我得到如下:
09/11/2012
1:36:00
06:36:00
6:36:00
08/01/2013
11:36:00
提前感謝!
Mike
確實看起來像VB.Net,而不是VB6。 – Bob77
我的不好,這是VB.net – Mike
不要使用VB6風格...... VB.NET中的任何東西! 「Substring」好多了。但爲什麼不使用格式字符串? – Ryan