%
' Name: ASP Calendar
' Author: Manohar Kamath
' Version: 1.0
' Copyright Manohar Kamath. Original calendar copyright Wrox Press
%>
<%
'------------------------------------------------------------
' This function finds the last date of the given month
'------------------------------------------------------------
Function GetLastDay(intMonthNum, intYearNum)
Dim dNextStart
If CInt(intMonthNum) = 12 Then
dNextStart = CDate( "1/1/" & intYearNum)
Else
dNextStart = CDate(intMonthNum + 1 & "/1/" & intYearNum)
End If
GetLastDay = Day(dNextStart - 1)
End Function
'-------------------------------------------------------------------------
' This routine prints the individual table divisions for days of the month
'-------------------------------------------------------------------------
Sub Write_TD(sValue, sClass)
Response.Write "
" & sValue & " | " & vbCrLf
End Sub
' Constants for the days of the week
Const cSUN = 1, cMON = 2, cTUE = 3, cWED = 4, cTHU = 5, cFRI = 6, cSAT = 7
' Get the name of this file
sScript = Request.ServerVariables("SCRIPT_NAME")
' Check for valid month input
If IsEmpty(Request("MONTH")) OR NOT IsNumeric(Request("MONTH")) Then
datToday = Date()
intThisMonth = Month(datToday)
ElseIf CInt(Request("MONTH")) < 1 OR CInt(Request("MONTH")) > 12 Then
datToday = Date()
intThisMonth = Month(datToday)
Else
intThisMonth = CInt(Request("MONTH"))
End If
' Check for valid year input
If IsEmpty(Request("YEAR")) OR NOT IsNumeric(Request("YEAR")) Then
datToday = Date()
intThisYear = Year(datToday)
Else
intThisYear = CInt(Request("YEAR"))
End If
strMonthName = MonthName(intThisMonth)
datFirstDay = DateSerial(intThisYear, intThisMonth, 1)
intFirstWeekDay = WeekDay(datFirstDay, vbSunday)
intLastDay = GetLastDay(intThisMonth, intThisYear)
' Get the previous month and year
intPrevMonth = intThisMonth - 1
If intPrevMonth = 0 Then
intPrevMonth = 12
intPrevYear = intThisYear - 1
Else
intPrevYear = intThisYear
End If
' Get the next month and year
intNextMonth = intThisMonth + 1
If intNextMonth > 12 Then
intNextMonth = 1
intNextYear = intThisYear + 1
Else
intNextYear = intThisYear
End If
' Get the last day of previous month. Using this, find the sunday of
' last week of last month
LastMonthDate = GetLastDay(intLastMonth, intPrevYear) - intFirstWeekDay + 2
NextMonthDate = 1
' Initialize the print day to 1
intPrintDay = 1
' Open a record set of schedules
Set Rs = Server.CreateObject("ADODB.RecordSet")
' These dates are used in the SQL
dFirstDay = intThisMonth & "/1/" & intThisYear
dLastDay = intThisMonth & "/" & intLastDay & "/" & intThisYear
sSQL = "SELECT DISTINCT Start_Date, End_Date FROM tEvents WHERE " & _
"(Start_Date >=#" & dFirstDay & "# AND Start_Date <= #" & dLastDay & "#) " & _
"OR " & _
"(End_Date >=#" & dFirstDay & "# AND End_Date <= #" & dLastDay & "#) " & _
"OR " & _
"(Start_Date < #" & dFirstDay & "# AND End_Date > #" & dLastDay & "# )" & _
"ORDER BY Start_Date"
'Response.Write sSQL
' Open the RecordSet with a static cursor. This cursor provides bi-directional navigation
Rs.Open sSQL, sDSN, adOpenStatic, adLockReadOnly, adCmdText
%>
Calendar for <% = strMonthName & " " & intThisYear %>
Click Days in Red to View Event Detail
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<% = strMonthName & " " & intThisYear %> |

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<%
' Initialize the end of rows flag to false
EndRows = False
Response.Write vbCrLf
' Loop until all the rows are exhausted
Do While EndRows = False
' Start a table row
Response.Write " " & vbCrLf
' This is the loop for the days in the week
For intLoopDay = cSUN To cSAT
' If the first day is not sunday then print the last days of previous month in grayed font
If intFirstWeekDay > cSUN Then
Write_TD LastMonthDate, "NON"
LastMonthDate = LastMonthDate + 1
intFirstWeekDay = intFirstWeekDay - 1
' The month starts on a sunday
Else
' If the dates for the month are exhausted, start printing next month's dates
' in grayed font
If intPrintDay > intLastDay Then
Write_TD NextMonthDate, "NON"
NextMonthDate = NextMonthDate + 1
EndRows = True
Else
' If last day of the month, flag the end of the row
If intPrintDay = intLastDay Then
EndRows = True
End If
dToday = CDate(intThisMonth & "/" & intPrintDay & "/" & intThisYear)
If NOT Rs.EOF Then
' Set events flag to false. This means the day has no event in it
bEvents = False
Do While NOT Rs.EOF AND bEvents = False
' If the date falls within the range of dates in the recordset, then
' the day has an event. Make the events flag True
If dToday >= Rs("Start_Date") AND dToday <= Rs("End_Date") Then
' Print the date in a highlighted font
Write_TD " " & intPrintDay & "", "HL"
bEvents = True
' If the Start date is greater than the date itself, there is no point
' checking other records. Exit the loop
ElseIf dToday < Rs("Start_Date") Then
Exit Do
' Move to the next record
Else
Rs.MoveNext
End If
Loop
' Checks for that day
Rs.MoveFirst
End If
' If the event flag is not raise for that day, print it in a plain font
If bEvents = False Then
Write_TD " " & intPrintDay & "", "SOME"
End If
End If
' Increment the date. Done once in the loop.
intPrintDay = intPrintDay + 1
End If
' Move to the next day in the week
Next
Response.Write " " & vbCrLf
Loop
Rs.Close
Set Rs = Nothing
%>
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