1
我有以下一段代码,从今年2月1日开始,而不是1月1日开始。我已经做了更改,但是它没有考虑闰年。我如何修改此代码以确保它占闰年。我在VB中比较新。有一个内置的函数吗?闰年会计VB.net
Dim dt As Date
Dim Y2Dday As Integer
Dim Y2Dyear As Integer
Dim strDepartment1 As String
dt = dtpDate.Value
'Y2Dday = -dt.DayOfYear + 32
Y2Dday = -dt.DayOfYear + 366
'If dt.DayOfYear > 31 Then
If dt.DayOfYear > 365 Then
Y2Dyear = 0
Else
Y2Dyear = -1
End If
strDepartment1 = strDepartment.Replace("departmentid", "o.departmentid")
Dim collection As ItemCollection
Dim qry As QueryItem
collection = ItemCollection.GetInstance()
qry = collection.GetQueryItem(intItem)
If (Not qry Is Nothing) Then
qry.SetQueryParameter(QueryItem.QueryParameter.DateFormat, intDateFormat.ToString())
qry.SetQueryDate(1, dt.ToString)
'Date used by Item(s) looking at Month to Date
qry.SetQueryDate(2, dt.AddDays(-dt.Day + 1).ToString)
'Date used by Item(s) looking at Year to Date
qry.SetQueryDate(3, dt.AddDays(Y2Dday).AddYears(Y2Dyear).ToString)
'Date used by Item(s) looking at Yesterday
qry.SetQueryDate(4, dt.AddDays(-1).ToString)
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