@@IDENTITY In Code
Sep 15, 2006
Hi all,
I encountered a problem with SQL server mobile.
I am inserting a row inside a database table through C# code and need to obtain the ID of the last inserted row if successful. I have the following in my code:
SqlCeHelper.ExecuteNonQuery(connectionString, "*INSERT STATEMENT*");
Int64 id = (Int64)SqlCeHelper.ExecuteScalar(connectionString, "SELECT @@IDENTITY");
The variable id always ends up NULL. Is this the correct approach to this? Is there anything else I can use to obtain the id of the last inserted row in SQL server mobile?
-- The class SqlCeHelper is a wrapper that I wrote, it works 100%.
Thanks
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Jun 2, 2006
how do i return the identity from stored procedure to asp.net code behind page?
CREATE PROCEDURE [dbo].[myInsert] ( @Name varchar(35), @LastIdentityNumber int output)AS insert into table1 (name) values (@name)
DECLARE @IdentityNumber intSET @IdentityNumber = SCOPE_IDENTITY()SELECT @IdentityNumber as LastIdentityNumber
code behind:
public void _Insert(
string _Name,
{
DbCommand dbCommand = db.GetStoredProcCommand("name_Insert");db.AddInParameter(dbCommand, "name", DbType.String, _userId);
db.AddParameter(dbCommand, "@IdentityNumber", DbType.Int32, ParameterDirection.Output, "", DataRowVersion.Current, null);
db.ExecuteNonQuery(dbCommand);
int a = (int)db.GetParameterValue(dbCommand,"@IdentityNumber");
whats wrong with to the above code?
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Nov 14, 2006
Hello!
I´m trying to setup a Report Server on my SQL 2005 server. In Reporting Services Configuration Manager I get an error when i try to create the Web Sevice Identity
ReportServicesConfigUI.WMIProvider.WMIProviderException: An unknown error has occurred in the WMI Provider. Error Code 80070003
at ReportServicesConfigUI.WMIProvider.RSReportServerAdmin.SetWebServiceIdentity(String applicationPool)
The default website contains an office sharepoint 2007 beta solution if that could cause the error..
Would be real grateful for some hints...
Regards
Erik B
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Oct 30, 2005
Hi.here is my code with my problem described in the syntax.I am using asp.net 1.1 and VB.NETThanks in advance for your help.I am still a beginner and I know that your time is precious. I would really appreciate it if you could "fill" my example function with the right code that returns the new ID of the newly inserted row.
Public Function howToReturnID(ByVal aCompany As String, ByVal aName As String) As Integer
'that is the variable for the new id.Dim intNewID As Integer
Dim strSQL As String = "INSERT INTO tblAnfragen(aCompany, aName)" & _ "VALUES (@aCompany, @aName); SELECT @NewID = @@identity"
Dim dbConnection As SqlConnection = New SqlConnection(connectionString)Dim dbCommand As SqlCommand = New SqlCommand()dbCommand.CommandText = strSQL
'Here is my problem.'What do I have to do in order to add the parameter @NewID and'how do I read and return the value of @NewID within that function howToReturnID'any help is greatly appreciated!'I cannot use SPs in this application - have to do it this way! :-(
dbCommand.Parameters.Add("@aFirma", aCompany.Trim)dbCommand.Parameters.Add("@aAnsprAnrede", aName.Trim)
dbCommand.Connection = dbConnection
TrydbConnection.Open()dbCommand.ExecuteNonQuery()
'here i want to return the new ID!Return intNewID
Catch ex As Exception
Throw New System.Exception("Error: " & ex.Message.ToString())
Finally
dbCommand.Dispose()dbConnection.Close()dbConnection.Dispose()
End Try
End Function
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Jul 9, 2006
While I have learned a lot from this thread I am still basically confused about the issues involved.
.I wanted to INSERT a record in a parent table, get the Identity back and use it in a child table. Seems simple.
To my knowledge, mine would be the only process running that would update these tables. I was told that there is no guarantee, because the OLEDB provider could write the second destination row before the first, that the proper parent-child relationship would be generated as expected. It was recommended that I create my own variable in memory to hold the Identity value and use that in my SSIS package.
1. A simple example SSIS .dts example illustrating the approach of using a variable for identity would be helpful.
2. Suppose I actually had two processes updating these tables, running at the same time. Then it seems the "variable" method will also have its problems. Is there a final solution other than locking the tables involved prior to updating them or doing something crazy like using a GUID for the primary key!
3. We have done the type of parent-child inserts I originally described from t-sql for years without any apparent problems. (Maybe we were just lucky.) Is the entire issue simply a t-sql one or does SSIS add a layer of complexity beyond t-sql that needs to be addressed?
TIA,
Barkingdog
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Jun 30, 2006
I want to insert a new record into a table with an Identity field and return the new Identify field value back to the data stream (for later insertion as a foreign key in another table).
What is the most direct way to do this in SSIS?
TIA,
barkingdog
P.S. Or should I pass the identity value back in a variable and not make it part of the data stream?
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Jan 25, 2015
I have table of three column first column is an ID column. However at creation of the table i have not set this column to auto increment. Then i have copied 50 rows in another table to this table then set the ID column values to zero.
Now I have changed the ID column to auto increment seed=1 increment=1 but the problem is i couldn't figure out how to update this ID column with zero value set to each row with this auto increment values so the ID column would have values from 1-50. Is there a away to do this?
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Sep 19, 2005
Ok,I just need to know how to get the last record inserted by the highestIDENTITY number. Even if the computer was rebooted and it was twoweeks ago. (Does not have to do with the session).Any help is appreciated.Thanks,Trint
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Jul 27, 2006
Hi all--I'm trying to convert a function which I inherited from a SQL Server 2000 DTS package to something usable in an SSIS package in SQL Server 2005. Given the original code here:
Function Main()
on error resume next
dim cn, i, rs, sSQL
Set cn = CreateObject("ADODB.Connection")
cn.Open "Provider=sqloledb;Server=<server_name>;Database=<db_name>;User ID=<sysadmin_user>;Password=<password>"
set rs = CreateObject("ADODB.Recordset")
set rs = DTSGlobalVariables("SQLstring").value
for i = 1 to rs.RecordCount
sSQL = rs.Fields(0).value
cn.Execute sSQL, , 128 'adExecuteNoRecords option for faster execution
rs.MoveNext
Next
Main = DTSTaskExecResult_Success
End Function
This code was originally programmed in the SQL Server ActiveX Task type in a DTS package designed to take an open-ended number of SQL statements generated by another task as input, then execute each SQL statement sequentially. Upon this code's success, move on to the next step. (Of course, there was no additional documentation with this code. :-)
Based on other postings, I attempted to push this code into a Visual Studio BI 2005 Script Task with the following change:
public Sub Main()
...
Dts.TaskResult = Dts.Results.Success
End Class
I get the following error when I attempt to compile this:
Error 30209: Option Strict On requires all variable declarations to have an 'As' clause.
I am new to Visual Basic, so I'm on a learning curve here. From what I know of this script:
- The variables here violate the new Option Strict On requirement in VS 2005 to declare what type of object your variable is supposed to use.
- I need to explicitly declare each object, unless I turn off the Option Strict On (which didn't seem recommended, based on what I read).
Given this statement:
dim cn, i, rs, sSQL
I'm looking at "i" as type Integer; rs and sSQL are open-ended arrays, but can't quite figure out how to read the code here:
Set cn = CreateObject("ADODB.Connection")
cn.Open "Provider=sqloledb;Server=<server_name>;Database=<db_name>;User ID=<sysadmin_user>;Password=<password>"
set rs = CreateObject("ADODB.Recordset")
This code seems to create an instance of a COM component, then pass provider information and create the recordset being passed in by the previous task, but am not sure whether this syntax is correct for VS 2005 or what data type declaration to make here. Any ideas/help on how to rewrite this code would be greatly appreciated!
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Mar 28, 2007
Dear Friends,
I am having 2 Tables.
Table 1: AddressBook
Fields --> User Name, Address, CountryCode
Table 2: Country
Fields --> Country Code, Country Name
Step 1 : I have created a Cube with these two tables using SSAS.
Step 2 : I have created a report in SSRS showing Address list.
The Column in the report are User Name, Address, Country Name
But I have no idea, how to convert this Country Code to Country name.
I am generating the report using the Layout tab. ( Data | Layout | Preview ) Report1.rdl [Design]
Anyone help me to solve this issue. Because, in our project most of the transaction tables have Code and Code description in master table. I need to convert all code into corresponding description in all my reports.
Thanks in advance.
Regards
Ramakrishnan
Singapore
28 March 2007
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Jun 19, 2008
Hi,
I am having problem in bulk update of a sql server table haning identity column from a datatable( has no identity column) using sqlbulkcopy. I tried several approaches, but it does not show any error nor is the table getting updated. But the identity value seems to getting increased every time.
thanks.
varun
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Aug 1, 2014
I'm working with a third-party database (SQL Server 2005) and the problem here is the following:
- There are a bunch of ETL processes that needs to insert rows on a table (let's call this table T) and at the same time, an ERP (owner of T) is up and running (reading, updating and inserting on T).
- The PK of T is an Integer.
Today all ETL processes uses (select max(ID) + 1 from T) to insert new rows, so just picture the scenario. It is a mess! Everyday they get duplicate key error when 2 or more concurrent processes are trying to insert a row (with the max) at the same time.
Considering that I can't change the PK, what is the best approach to solve this problem?
To sum up:
* I need to have processes in parallel inserting on T
* I can't change anything on T
* The PK is NOT an Identity
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Feb 24, 2008
Hello,
I'm using ASP.Net to update a table which include a lot of fields may be around 30 fields, I used stored procedure to update these fields. Unfortunatily I had to use a FormView to handle some TextBoxes and RadioButtonLists which are about 30 web controls.
I 've built and tested my stored procedure, and it worked successfully thru the SQL Builder.The problem I faced that I have to define the variable in the stored procedure and define it again the code behind againALTER PROCEDURE dbo.UpdateItems
(
@eName nvarchar, @ePRN nvarchar, @cID nvarchar, @eCC nvarchar,@sDate nvarchar,@eLOC nvarchar, @eTEL nvarchar, @ePhone nvarchar,
@eMobile nvarchar, @q1 bit, @inMDDmn nvarchar, @inMDDyr nvarchar, @inMDDRetIns nvarchar,
@outMDDmn nvarchar, @outMDDyr nvarchar, @outMDDRetIns nvarchar, @insNo nvarchar,@q2 bit, @qper2 nvarchar, @qplc2 nvarchar, @q3 bit, @qper3 nvarchar, @qplc3 nvarchar,
@q4 bit, @qper4 nvarchar, @pic1 nvarchar, @pic2 nvarchar, @pic3 nvarchar, @esigdt nvarchar, @CCHName nvarchar, @CCHTitle nvarchar, @CCHsigdt nvarchar, @username nvarchar,
@levent nvarchar, @eventdate nvarchar, @eventtime nvarchar
)
AS
UPDATE iTrnsSET eName = @eName, cID = @cID, eCC = @eCC, sDate = @sDate, eLOC = @eLOC, eTel = @eTEL, ePhone = @ePhone, eMobile = @eMobile,
q1 = @q1, inMDDmn = @inMDDmn, inMDDyr = @inMDDyr, inMDDRetIns = @inMDDRetIns, outMDDmn = @outMDDmn,
outMDDyr = @outMDDyr, outMDDRetIns = @outMDDRetIns, insNo = @insNo, q2 = @q2, qper2 = @qper2, qplc2 = @qplc2, q3 = @q3, qper3 = @qper3,
qplc3 = @qplc3, q4 = @q4, qper4 = @qper4, pic1 = @pic1, pic2 = @pic2, pic3 = @pic3, esigdt = @esigdt, CCHName = @CCHName,
CCHTitle = @CCHTitle, CCHsigdt = @CCHsigdt, username = @username, levent = @levent, eventdate = @eventdate, eventtime = @eventtime
WHERE (ePRN = @ePRN)
and the code behind which i have to write will be something like thiscmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.AddWithValue("@eName", ((TextBox)FormView1.FindControl("TextBox1")).Text);cmd.Parameters.AddWithValue("@ePRN", ((TextBox)FormView1.FindControl("TextBox2")).Text);
cmd.Parameters.AddWithValue("@cID", ((TextBox)FormView1.FindControl("TextBox3")).Text);cmd.Parameters.AddWithValue("@eCC", ((TextBox)FormView1.FindControl("TextBox4")).Text);
((TextBox)FormView1.FindControl("TextBox7")).Text = ((TextBox)FormView1.FindControl("TextBox7")).Text + ((TextBox)FormView1.FindControl("TextBox6")).Text + ((TextBox)FormView1.FindControl("TextBox5")).Text;cmd.Parameters.AddWithValue("@sDate", ((TextBox)FormView1.FindControl("TextBox7")).Text);
cmd.Parameters.AddWithValue("@eLOC", ((TextBox)FormView1.FindControl("TextBox8")).Text);cmd.Parameters.AddWithValue("@eTel", ((TextBox)FormView1.FindControl("TextBox9")).Text);
cmd.Parameters.AddWithValue("@ePhone", ((TextBox)FormView1.FindControl("TextBox10")).Text);
cmd.Parameters.AddWithValue("@eMobile", ((TextBox)FormView1.FindControl("TextBox11")).Text);
So is there any way to do it better than this way ??
Thank you
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Oct 16, 2007
Hi all,
Could someone tell me if custom code function can capture the event caused by a user? For example, onclick event on the rendered report?
Also, can custom code function alter the parameters of the report, or refresh the report?
Thanks.
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Jan 25, 2007
Hi,I need some help here. I have a SELECT sql statement that will query the table. How do I get the return value from the sql statement to be assigned to a label. Any article talk about this? Thanks geniuses.
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Aug 12, 2009
when i alter non identity column to identity column using this Query alter table testid alter column test int identity(1,1) then i got this error message Msg 156, Level 15, State 1, Line 3 Incorrect syntax near the keyword 'identity'.
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Apr 19, 2006
Hi:
My service broker is working with 2 different instances in local server.But could not able to get working on 2 different servers because of Conversation ID cannot be associated with an active conversation error which I have posted.
After I receive the message successfully...in the end I get this message sent...
<Error xmlns="http://schemas.microsoft.com/SQL/ServiceBroker/Error">
<Code>-8462</Code>
<Description>The remote conversation endpoint is either in a state where no more messages can be exchanged, or it has been dropped.</Description>
</Error>
Why am i gettting this error after the conversation.
Thanks,
Pramod
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Jan 28, 2008
Hi All,
Recently in an SSIS package I am getting the following error for a particular Data flow task.
Error: 2008-01-25 12:01:48.58
Code: 0xC0202009
Source: Import Datasynapse Data User Events Source [3017]
Description: SSIS Error Code DTS_E_OLEDBERROR. An OLE DB error has occurred. Error code: 0x8000FFFF.
End Error
Error: 2008-01-25 12:01:48.73
Code: 0xC004701A
Source: Import Datasynapse Data DTS.Pipeline
Description: component "User Events Source" (3017) failed the pre-execute phase and returned error code 0xC0202009.
End Error
Our guess is when the data size of User Events table is more it throws this error. If we try to transfer small subset of data it succeeds. What could be reason for this error?
Since this is very urgent, immediate response would be very much appreciated.
Thanks & Regards,
Prakash Srinivasan
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Oct 26, 2006
i have found loads of topics on this but have yet to find one that gives the answer i need.I want to display the last insert id into a label/textbox after the INSERT functionhow do i do this?
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Feb 29, 2008
I got two tables
one table has the fields ie table1
orderid ofd orderdate customername
where order id is autonumber
the other table2
orderid ofd product id productname
the problem here is thatif customer purchases 3 product at a time all the 3 products get the same ofd number ........and any 2 customers can have the same ofd number................ now i have to pull the order ID value from table 1 to table 2............ can somebody help with this i am the front end is asp.net amd the database is done on SQL server management studio
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Mar 3, 2008
Hi, I was looking through this thread about @@Identity: http://forums.asp.net/p/1039145/1443971.aspx#1443971 I'm still unsure how to ue it. I have an Orders table, a Products table and a Products_Orders table. When I add an order to the Orders table I want the PK OrderID in this table to also update the FK OrderID in my Products_Orders table. I'm using SQL EXP05 and I'm in C#.
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Mar 11, 2008
Hi i want to get the naxt identity number how can i get it pls help me very urgent
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Feb 24, 2004
I know identity key in a table can cause problems when the table is replicated. Should we avoid using identity key altogether, if we don't know in advance whether replication will come into the picture?
Thanks for any advice.
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Aug 30, 2004
hello,
I've got a problem reading the @@identity in vb.net
I tried it the way below and get the error: Public member 'EOF' on type 'Integer' not found.
(--> means with rsLastIdent)
comm_user = "SET NOCOUNT ON; INSERT INTO user (firstname, lastname, company, emailAddress) VALUES ...); SELECT @@IDENTITY AS Ident;"
comm = new SqlCommand(comm_user, dbConnection)
dbConnection.Open()
Try
rsLastIdent = comm.ExecuteNonQuery()
Catch ex As Exception
Response.Write("Exception:")
Response.Write(ex.ToString)
End Try
if NOT rsLastIdent.EOF then
feed_userID = rsLastIdent.Fields.Item("Ident").Value
end if
The sql-statement is correct - I tried it on SQL Server and got the correct result, so something is wrong with my vb.net code...
Please can anybody help me and tell me how to declare my rsLastIdent or another way to code it in vb.net to get the @@identity?
Thanks a lot!
tim
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Sep 20, 2004
hi,
I was wondering if someone could help me out with this stored procedure I have. I am trying to execute a transaction in one of my sps and am getting pk violations on 'OrderID'.
This where i encounter this error:
SELECT
@OrderID = @@Identity
/* Copy items from given shopping cart to OrdersDetail table for given OrderID*/
INSERT INTO OrderDetails
(
OrderID,
ProductID,
Quantity,
UnitCost
)
SELECT
@OrderID,
ShoppingCart.ProductID,
ShoppingCart.Quantity,
Prices.UnitCost
FROM
ShoppingCart INNER JOIN
Prices ON ShoppingCart.ProductID = Prices.ProductID
WHERE
CartID = @CartID
is there any way to rewrite this statement so that I can put it in the form insert()values(). ?
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Jun 17, 2005
HiTrying to get a return value from this code, but only gets a 0. Am using SQLExpress.SqlParameter[] p = new SqlParameter[4];p[0] = new SqlParameter("@a", "aaa");p[1] = new SqlParameter("@b", "bbb");p[2] = new SqlParameter("@c", "ccc");p[3] = new SqlParameter("@d", SqlDbType.Int, 40);p[3].Direction = ParameterDirection.ReturnValue;
string s = @"set nocount on INSERT INTO ABC(A, B, C) VALUES(@a,@b,@c) SELECT scope_identity()";
using(SqlConnection conn = new SqlConnection(this._connection)){ conn.Open(); SqlHelper.ExecuteNonQuery(conn, CommandType.Text, s, p); int foo = p[3].Value;}
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Jul 20, 2005
Hi all,
is there a way in SQL Server for me to get the next available Identity value from an Identity column?
(I don't want to perform an insert, and then get the identity through @@IDENTITY!)
Thanks
Tryst
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Jun 1, 2006
I am trying to follow other examples I have seen on the site, and am still getting the
Must declare the scalar variable "@@INDENTITY".
string sqlAdd = string.Format("INSERT INTO " + siteCode + "_campaign_table (campaign_name, prod_id, type) "
+ "VALUES('{0}', '{1}', '{2}'); SELECT @@INDENTITY", campaignName, prodID, type);
SqlCommand comAdd = new SqlCommand(sqlAdd, con);
comAdd.CommandType = CommandType.Text;
con.Open();
//comAdd.ExecuteNonQuery();
int identity;
identity = Decimal.ToInt32((decimal)comAdd.ExecuteScalar());
lblErrorMessageAdd.Text = identity.ToString();
con.Close();
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Nov 5, 2001
Is it possible to use the ALTER TABLE statment when modifying an INT field to be an IDENTITY.
thanks in advance.
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Jul 11, 2000
I would like to know the best way to select/maintain a sequence number in SQL Server. I've seen locking problems with using the @@identity and was wondering if there is a better way.
Several of our applications have the need to generate a sequence number that is inserted into one or several tables. In one application they have done the following ...
- Created a table with a column defined with identity attribute, for example
TableA
ColA defined as Int with Identity checked
ColB define as char(20)
- In the application, code looks like to get the sequence number:
insert into tableA (ColB, 'anything');
select (@@identity) as sequence from TableA
Then the last 5 positions of sequence are used to insert into another table. Problem with this is that several rows are being created in tableA when only a sequence number is needed. Also, we need to make sure no one else does an insert before the select @@identity.
Another approach I'm thinking about would be to create a one row table that contains an integer field initialized with a value of 1. To select/update the sequence number the code would need to:
set transaction serializable
select number
from tableA UPDLOCK
update tableA
set number = number + 1
How are most people generating a sequence number in SQL Server? In Oracle this would be done by selecting sequence.nextval. For example:
Select sequenceA.nextval from dual;
Is there an equivalent way in SQL Server 7.0? Thanks.
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Oct 17, 2000
Hi,
Is there a way, I can give access(not dbo or sa) to a person so they can bcp into tables that have identity columns? I want to be able to give permissions ahead so I do not have to bother setting the identity insert on every time he wants to bcp.
Thanks a lot for your help
Sasha
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Nov 30, 1999
I'm successfully inserting into a db using a stored proc, but I need to replicate the ClientID to 10 other tables. For some reason, this one is escaping me.
After a successful insert, I then use:
SELECT @@IDENTITY ClientID
SELECT @ClientID = @@IDENTITY
INSERT INTO table2
(ClientID)
VALUES(@ClientID)
INSERT INTO table3
(ClientID)
VALUES(@ClientID)
INSERT INTO table4
(ClientID)
VALUES(@ClientID)
The insert ClientID into the other tables is being inserted. I added SET @ClientID = @@IDENTITY and it made no difference.
Thanks for the help.
Alan
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Sep 2, 1999
Does anyone know if there is bug/problem with the @@identity global variable in SQL Server 7.0?
I have a stored procedure that inserts a row into a table with an identity column and returns (outputs) the value
of the identity column just generated. The SP is called by a Java program. The SP works fine most of the time,
however from time to time it retuns a NULL value! Your comments/suggestions are much appreciated.
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