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Need to find first monday..friday of month

Posted on 2006-11-01
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Last Modified: 2010-04-23
Hi

I need to find a specific day in a month based on an occurance of that day.

ie I need to find first monday of month, second tuesday of month, 4th friday of month .. etc Basically any day in a cycle of a month over a period of a year.

Thanks
Chuck
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Question by:charlesbaldo
2 Comments
 
LVL 85

Accepted Solution

by:
Mike Tomlinson earned 500 total points
ID: 17854434
How about something like?

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        ' Find the second Monday in October of 2006...
        Dim dt As DateTime = GetSpecificDate(2, DayOfWeek.Monday, 10, 2006)
        Debug.WriteLine(dt.ToString)
    End Sub

    Private Function GetSpecificDate(ByVal occurence As Integer, ByVal dayOfWeek As DayOfWeek, ByVal month As Integer, ByVal year As Integer) As DateTime
        Dim returnDt As DateTime = Nothing

        Try
            Dim counter As Integer = 0
            Dim startDt As DateTime = New DateTime(year, month, 1, 0, 0, 0)
            If occurence >= 1 Then
                While True
                    While startDt.DayOfWeek <> dayOfWeek
                        startDt = startDt.AddDays(1)
                    End While
                    counter = counter + 1

                    If counter = occurence Then
                        If startDt.Month = month Then
                            returnDt = startDt
                        End If

                        Exit While
                    Else
                        startDt = startDt.AddDays(1)

                        If startDt.Month <> month Then
                            Exit While
                        End If
                    End If
                End While
            End If
        Catch ex As Exception
            MessageBox.Show(ex.Message, "Error Finding Date", MessageBoxButtons.OK, MessageBoxIcon.Error)
        End Try

        Return returnDt
    End Function
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Author Comment

by:charlesbaldo
ID: 17854568
Looks workable

Thanks a ton Idle Mind
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