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08/05/2009 at 12:16PM PDT, ID: 24629253
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9.3

Arithmetic overflow error converting expression to data type datetime

Asked by Millkind in .NET, SQLBase, MS SQL Server

I have a piece that sends out bday cards to patrons based on the data in a sql database.  It has worked fine for several years.  On july 30 it started giving the following error message:
System.Data.SqlClient.SqlException: Arithmetic overflow error converting expression to data type datetime.
   at System.Data.SqlClient.SqlDataReader.Read()
   at System.Data.Common.DbDataAdapter.FillLoadDataRow(SchemaMapping mapping)
   at System.Data.Common.DbDataAdapter.FillFromReader(Object data, String srcTable, IDataReader dataReader, Int32 startRecord, Int32 maxRecords, DataColumn parentChapterColumn, Object parentChapterValue)
   at System.Data.Common.DbDataAdapter.Fill(DataSet dataSet, String srcTable, IDataReader dataReader, Int32 startRecord, Int32 maxRecords)
   at System.Data.Common.DbDataAdapter.FillFromCommand(Object data, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior)
   at System.Data.Common.DbDataAdapter.Fill(DataSet dataSet, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior)
   at System.Data.Common.DbDataAdapter.Fill(DataSet dataSet)

I have not changed the software and the data has not changed.  The following is the sql select statement that is causing the error.

SELECT     achDateOfBirth, achEmail, achName, lMealPlan
FROM         tblStudent
WHERE     (DATEPART(MM, achDateOfBirth) = DATEPART(mm, @sdate)) AND (LEN(achEmail) > 1) AND (DATEPART(dd, achDateOfBirth) = DATEPART(dd, @sdate))
                      AND (NOT (achDateOfBirth = N'1/1/1900'))

It is SQL Server 2000/2003
The last udate for the server stuff was jly 15, 2009, but there was an update for IE explorer on 7/30/2009 
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Private Function studentbirthdays()
        Try
            bdaycomman.Parameters("@sdate").Value = alldater 'alldater is date.today
            Bdayds1.Clear()
            bday.Fill(Bdayds1) 'casues error
            For Each ds As DataRow In Bdayds1.Tables(1).Rows
                olApp = New Outlook.Application
                olMail = olApp.CreateItem(Outlook.OlItemType.olMailItem)
                If InStr(ds.Item(1), "gettysburg") Then
                    'olMail.To = ds.Item(1)
                    olMail.To = "mdmiller@gettysburg.edu"
                    olMail.Subject = "HAPPY BIRTHDAY!"
                    olMail.HTMLBody = "<html><body><p><IMG SRC='" & hbpicpath & "'></p></body></html>"
                    olMail.Send()
                Else
 
                End If
            Next
        Catch ex As Exception
            'MsgBox(ex.ToString)
            errorwrite(ex.ToString)
        End Try
    End Function
 
Keywords: Arithmetic overflow error converting e…
Title
1 Error system.Data.SqlClient.SqlExc…
 
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