Solved

Retrieve Scope_identity() in ASP

Posted on 2007-04-03
5
1,008 Views
Last Modified: 2012-06-21
I have an MS Sql Table 'order_number' withFields: 'order_id scope_identity()',  'pplno'

Using a transaction i want to retrieve and store the identity value as a variable when i insert new a record in pplno using ASP. Can anyone help? Below is what i have so far.

Many Thanks,
SM

StrConnect_ppl = "DRIVER=SQL Server;" & _
      "SERVER=;UID=;PWD=DATABASE=;"

      On Error Resume Next
      'CREATE UNIQUE ORDER NUMBER
      SQLStmt_1 = "Insert into order_number(ppl_no) values ('"& pplno &"') Select scope_identity()"

                    Set Cn = Server.CreateObject("ADODB.Connection")
                Cn.Open StrConnect_ppl
              Cn.BeginTrans
 
      Set Rs = Server.CreateObject("ADODB.Recordset")
               Rs.Open SQLStmt_1,Cn,1,3
       cn.CommitTrans
   cn.Close      
      order_id = Rs(0)
0
Comment
Question by:seanmorris
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5 Comments
 
LVL 143

Accepted Solution

by:
Guy Hengel [angelIII / a3] earned 500 total points
ID: 18843406
StrConnect_ppl = "DRIVER=SQL Server;" & _
      "SERVER=;UID=;PWD=DATABASE=;"

      On Error Resume Next
      'CREATE UNIQUE ORDER NUMBER
      SQLStmt_1 = " SET NOCOUNT ON  Insert into order_number(ppl_no) values ('"& pplno &"') Select scope_identity() new_id_value "

                    Set Cn = Server.CreateObject("ADODB.Connection")
                Cn.Open StrConnect_ppl
              Cn.BeginTrans
 
      Set Rs = Server.CreateObject("ADODB.Recordset")
               Rs.Open SQLStmt_1,Cn,1,3
       cn.CommitTrans
   cn.Close      
      order_id = Rs("new_id_value").value


0
 

Author Comment

by:seanmorris
ID: 18843594
hi angellll

Its still not returning the new_id_value to order_id..

Sean
0
 
LVL 143

Expert Comment

by:Guy Hengel [angelIII / a3]
ID: 18843641
do you get any errors?
does the table order_number have a identity field?
can you run the SQL manually against the database (query analyser), does it run fine there?
0
 

Author Comment

by:seanmorris
ID: 18843705
Hi angelll

Yes it works manually through query analyser. I've modified the code below and it now works. Must have been because i was trying to retrieve scope_identity() after the transaction was complete. Does this seem logical to you?

Set Rs = Server.CreateObject("ADODB.Recordset")
               Rs.Open SQLStmt_1,Cn,1,3
               order_id = Rs("new_id_value").value
       cn.CommitTrans
   cn.Close      
     
0
 
LVL 143

Expert Comment

by:Guy Hengel [angelIII / a3]
ID: 18843726
I rather think it was because you tried to access it after the cn.close
0

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