Is there a best way to handle various formats of dates for SQL server?.
The data comes in various input files with different date formats.
The ParseExact function looks like an "evil" and it doesn't seem to work for
some cases.
'Date Time Stuff
Dim dtarray As String() = _
{"yyyyMMdd", "yyyy-MM-dd", "yyyy/MM/dd", _
"yyyyMd", "yyyy-M-d", "yyyy/M/d", _
"MMddyyyy", "MM-dd-yyyy", "MM/dd/yyyy", _
"Mdyyyy", "M-d-yyyy", "M/d/yyyy", _
"yyMMdd", "yy-MM-dd", "yy/MM/dd", _
"yyMd", "yy-M-d", "yy/M/d", _
"MMddyy", "MM-dd-yy", "MM/dd/yy", _
"Mdyy", "M-d-yy", "M/d/yy", _
" ", " ", " ", "", " "}
Dim culture = New System.Globaliz ation.CultureIn fo("", True)
Private Function ConvertDataObje ct(ByVal Column As DataColumn, ByVal Obj As
String, ByVal currLineNo As Integer) As String
'This builds the data type from the destination database
If (Obj Is GetType(DBNull) ) Then
Obj = "null"
End If
If (Column.DataTyp e Is GetType(System. String)) Then
'Compensate for aposterphes
Obj = Obj.Replace("'" , "''")
Return "'" & Obj & "'"
ElseIf (Column.DataTyp e Is GetType(System. DateTime)) Then
'Catch faulty date/time data types
Try
If Obj = " " Or Obj = "" Or Obj = " " Then
Obj = ""
Else
Obj = DateTime.ParseE xact(Obj, dtarray, culture,
Globalization.D ateTimeStyles.N one)
End If
Catch ex As Exception
If Not (fileLogger Is Nothing) Then
'HasGlobalError = True
fileLogger.LogD irectEntry("War ning: An invalid date/time
field of " & Obj & " was identified on line #" & currLineNo.ToSt ring() & ",
column " & Column.ColumnNa me & ", position " & Column.Ordinal. ToString() & ".
The field was truncated to a null entry to allow the record to be processed.")
End If
Return "null"
End Try
Return "'" & Obj & "'"
Else
Return Obj
End If 2 4515
Yog, one solution for this is while returning from database itself format the
date in particular format (ddmmyyyy) and return to UI.
"Yog" wrote: Is there a best way to handle various formats of dates for SQL server?.
The data comes in various input files with different date formats.
The ParseExact function looks like an "evil" and it doesn't seem to work for some cases.
'Date Time Stuff Dim dtarray As String() = _ {"yyyyMMdd", "yyyy-MM-dd", "yyyy/MM/dd", _ "yyyyMd", "yyyy-M-d", "yyyy/M/d", _ "MMddyyyy", "MM-dd-yyyy", "MM/dd/yyyy", _ "Mdyyyy", "M-d-yyyy", "M/d/yyyy", _ "yyMMdd", "yy-MM-dd", "yy/MM/dd", _ "yyMd", "yy-M-d", "yy/M/d", _ "MMddyy", "MM-dd-yy", "MM/dd/yy", _ "Mdyy", "M-d-yy", "M/d/yy", _ " ", " ", " ", "", " "}
Dim culture = New System.Globaliz ation.CultureIn fo("", True)
Private Function ConvertDataObje ct(ByVal Column As DataColumn, ByVal Obj As String, ByVal currLineNo As Integer) As String 'This builds the data type from the destination database
If (Obj Is GetType(DBNull) ) Then Obj = "null" End If
If (Column.DataTyp e Is GetType(System. String)) Then 'Compensate for aposterphes Obj = Obj.Replace("'" , "''")
Return "'" & Obj & "'" ElseIf (Column.DataTyp e Is GetType(System. DateTime)) Then 'Catch faulty date/time data types Try
If Obj = " " Or Obj = "" Or Obj = " " Then Obj = "" Else Obj = DateTime.ParseE xact(Obj, dtarray, culture, Globalization.D ateTimeStyles.N one) End If Catch ex As Exception If Not (fileLogger Is Nothing) Then 'HasGlobalError = True fileLogger.LogD irectEntry("War ning: An invalid date/time field of " & Obj & " was identified on line #" & currLineNo.ToSt ring() & ", column " & Column.ColumnNa me & ", position " & Column.Ordinal. ToString() & ". The field was truncated to a null entry to allow the record to be processed.") End If Return "null" End Try
Return "'" & Obj & "'" Else Return Obj
End If
Thanks for answering...i am looking at dates that comes in various files with
different formats...not from the database..
"Santhi Maadhaven" wrote: Yog, one solution for this is while returning from database itself format the date in particular format (ddmmyyyy) and return to UI.
"Yog" wrote:
Is there a best way to handle various formats of dates for SQL server?.
The data comes in various input files with different date formats.
The ParseExact function looks like an "evil" and it doesn't seem to work for some cases.
'Date Time Stuff Dim dtarray As String() = _ {"yyyyMMdd", "yyyy-MM-dd", "yyyy/MM/dd", _ "yyyyMd", "yyyy-M-d", "yyyy/M/d", _ "MMddyyyy", "MM-dd-yyyy", "MM/dd/yyyy", _ "Mdyyyy", "M-d-yyyy", "M/d/yyyy", _ "yyMMdd", "yy-MM-dd", "yy/MM/dd", _ "yyMd", "yy-M-d", "yy/M/d", _ "MMddyy", "MM-dd-yy", "MM/dd/yy", _ "Mdyy", "M-d-yy", "M/d/yy", _ " ", " ", " ", "", " "}
Dim culture = New System.Globaliz ation.CultureIn fo("", True)
Private Function ConvertDataObje ct(ByVal Column As DataColumn, ByVal Obj As String, ByVal currLineNo As Integer) As String 'This builds the data type from the destination database
If (Obj Is GetType(DBNull) ) Then Obj = "null" End If
If (Column.DataTyp e Is GetType(System. String)) Then 'Compensate for aposterphes Obj = Obj.Replace("'" , "''")
Return "'" & Obj & "'" ElseIf (Column.DataTyp e Is GetType(System. DateTime)) Then 'Catch faulty date/time data types Try
If Obj = " " Or Obj = "" Or Obj = " " Then Obj = "" Else Obj = DateTime.ParseE xact(Obj, dtarray, culture, Globalization.D ateTimeStyles.N one) End If Catch ex As Exception If Not (fileLogger Is Nothing) Then 'HasGlobalError = True fileLogger.LogD irectEntry("War ning: An invalid date/time field of " & Obj & " was identified on line #" & currLineNo.ToSt ring() & ", column " & Column.ColumnNa me & ", position " & Column.Ordinal. ToString() & ". The field was truncated to a null entry to allow the record to be processed.") End If Return "null" End Try
Return "'" & Obj & "'" Else Return Obj
End If
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