Question

Cannot convert date string to SQL server date in ASP

Asked by: mike99c

Hello,
I am having a frustrating time trying to convert and store a simple date string into a SQL server 2005 database. I have given a very simple example here:

I have declared a table as follows:
Table name: DatesTable
ID of type int (Key field and is identity)
StartDate of type smalldatetime

When I run the following INSERT query within the SQL Server query analyser it works fine:
INSERT INTO
  DatesTable
    (StartDate)
VALUES
    (convert(datetime,'2009-07-22'))

However, when I run the above query within my ASP script I get the following error:

Microsoft SQL Native Client error '80040e07'
The conversion of a char data type to a datetime data type resulted in an out-of-range datetime value.

I also used an alternative query using CAST and get the same error:
INSERT INTO
   DatesTable
     (StartDate)
VALUES
    (CAST('2009-07-22' AS datetime))

I understand that the standard SQL server date field should be in the format YYYY-MM-DD hh:mm:ss to avoid any regional conflicts.

I have provided the full ASP code in the code section.

Set oConn = Server.CreateObject( "ADODB.Connection" ) 
WITH oConn
  .Provider = "SQLNCLI"
  .ConnectionTimeout = 1000
  .CommandTimeout = 1000 
  .ConnectionString = "server=.\SQLEXPRESS;database=mydb;uid=myuid;password=mypwd
  .Open
END WITH  
 
SqlString = "INSERT INTO " &_
                  "   DatesTable " &_ 
                  "      (StartDate) " &_
                  "VALUES " &_
                  "      ( convert(datetime,'2009-07-22') )"
	
oConn.Execute SqlString

                                  
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Asked On
2009-07-22 at 12:20:52ID24592237
Topics

MS SQL Server

,

SQL Server 2005

,

Active Server Pages (ASP)

Participating Experts
2
Points
500
Comments
3

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Answers

 

by: angelIIIPosted on 2009-07-22 at 12:22:16ID: 24918641

specify the "style" parameter:

SqlString = "INSERT INTO " &_
                  "   DatesTable " &_ 
                  "      (StartDate) " &_
                  "VALUES " &_
                  "      ( convert(datetime,'2009-07-22', 120) )"

                                              
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by: bhess1Posted on 2009-07-22 at 12:31:51ID: 24918728

You can also remove the hyphens and get a more reliable conversion:

SqlString = "INSERT INTO " &_
                  "   DatesTable " &_
                  "      (StartDate) " &_
                  "VALUES " &_
                  "      ( convert(datetime,'20090722') )"

Finally, convert to the same data type as the destination - Smalldatetime:

SqlString = "INSERT INTO " &_
                  "   DatesTable " &_
                  "      (StartDate) " &_
                  "VALUES " &_
                  "      ( convert(smalldatetime, '2009-07-22', 120) )"

   or

SqlString = "INSERT INTO " &_
                  "   DatesTable " &_
                  "      (StartDate) " &_
                  "VALUES " &_
                  "      ( convert(smalldatetime,'20090722') )"

 

by: mike99cPosted on 2009-07-22 at 12:58:51ID: 31606641

Thanks for this. I have no idea why my script did not work as used the same script before without fail.
I have decided to go for the following:
SqlString = "INSERT INTO " &_
                  "   DatesTable " &_
                  "      (StartDate) " &_
                  "VALUES " &_
                  "      ( convert(smalldatetime,'20090722') )"
But all responses were very helpful.

20120131-EE-VQP-002

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