Error Handling Connectoin Failure Of OLE DB Connection

Apr 11, 2008

Hello,

I'm looping through a set of IP's (sql servers), i'm changing the property ServerName for OLE DB connection dynamically.

So, I'm having a DataFlow Task inside a For each Task.

Data Flow task has OLE DB Source & OLE DB Destination. I've set ServerName of OLE DB Source to a variable which gets updated by For Each Loop.

Till now everything is working fine. However, if a Server (IP) is down it causes OLEDB Source to give an error.
So in my case, if one server is down, it gives error and does not proceed further. I want it to continue with other
servers.

How do i error handle this ?


Thank You,
Sandeep.

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Help. When Using Profile GetPropertyValue, I Get The Following Connection Error: An Error Has Occurred While Establishing A Connection To The Server. When Connecting To SQL Server 2005, This Failure May Be Caused By The Fact That Under The Default Sett

May 3, 2008

 Hi,I need some help. I am getting this error after I complete the asp.net register control and click on the continue button. It crashed when it tries to get it calls this Profile property((string)(this.GetPropertyValue("Address1")));When I look at the stack, it is coming from my ProfileWrapper class which adds user address, city, etc.. from a class which inherits fromSystem.Web.Profile.ProfileBase. From the stack, it is calling the System.Web.Profile and crashed when it tries to open a connection atSystem.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject). I already migrated all aspnet_user, aspnet_roles, etc.. and don't get any connection errors. It is only when I try to get the profile data. This works on  my pc, but throws an error on my lunarpage website.Any help is greatly appreciated.Thanks,AJAn error has occurred while establishing a connection to the server.  When connecting to SQL Server 2005, this failure may be caused by the fact that under the default settings SQL Server does not allow remote connections. (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified)Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.Exception Details: System.Data.SqlClient.SqlException: An error has occurred while establishing a connection to the server.  When connecting to SQL Server 2005, this failure may be caused by the fact that under the default settings SQL Server does not allow remote connections. (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified)Source Error:Line 100:    public virtual string Address2 {Line 101:        get {Line 102:            return ((string)(this.GetPropertyValue("Address2")));Line 103:        }Line 104:        set {Source File: c:windowsMicrosoft.NETFrameworkv2.0.50727Temporary ASP.NET Files
oot021d50639a6858cApp_Code.54nvluyo.1.cs    Line: 102Stack Trace:[SqlException (0x80131904): An error has occurred while establishing a connection to the server.  When connecting to SQL Server 2005, this failure may be caused by the fact that under the default settings SQL Server does not allow remote connections. (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified)]   System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject) +435   System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection) +82   System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) +105   System.Data.SqlClient.SqlConnection.Open() +111   System.Web.DataAccess.SqlConnectionHolder.Open(HttpContext context, Boolean revertImpersonate) +84   System.Web.DataAccess.SqlConnectionHelper.GetConnection(String connectionString, Boolean revertImpersonation) +197   System.Web.Profile.SqlProfileProvider.GetPropertyValuesFromDatabase(String userName, SettingsPropertyValueCollection svc) +782   System.Web.Profile.SqlProfileProvider.GetPropertyValues(SettingsContext sc, SettingsPropertyCollection properties) +428   System.Configuration.SettingsBase.GetPropertiesFromProvider(SettingsProvider provider) +404   System.Configuration.SettingsBase.GetPropertyValueByName(String propertyName) +117   System.Configuration.SettingsBase.get_Item(String propertyName) +89   System.Web.Profile.ProfileBase.GetInternal(String propertyName) +36   System.Web.Profile.ProfileBase.get_Item(String propertyName) +68   System.Web.Profile.ProfileBase.GetPropertyValue(String propertyName) +4   ProfileCommon.get_Address2() in c:windowsMicrosoft.NETFrameworkv2.0.50727Temporary ASP.NET Files
oot021d50639a6858cApp_Code.54nvluyo.1.cs:102   ProfileWrapper..ctor() in d:inetpubvhostsjavcentral.comhttpdocsApp_CodeProfileWrapper.cs:242   ProfileDataSource.GetData() in d:inetpubvhostsjavcentral.comhttpdocsApp_CodeProfileDataSource.cs:17[TargetInvocationException: Exception has been thrown by the target of an invocation.]   System.RuntimeMethodHandle._InvokeMethodFast(Object target, Object[] arguments, SignatureStruct& sig, MethodAttributes methodAttributes, RuntimeTypeHandle typeOwner) +0   System.RuntimeMethodHandle.InvokeMethodFast(Object target, Object[] arguments, Signature sig, MethodAttributes methodAttributes, RuntimeTypeHandle typeOwner) +72   System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture, Boolean skipVisibilityChecks) +308   System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture) +29   System.Web.UI.WebControls.ObjectDataSourceView.InvokeMethod(ObjectDataSourceMethod method, Boolean disposeInstance, Object& instance) +480   System.Web.UI.WebControls.ObjectDataSourceView.ExecuteSelect(DataSourceSelectArguments arguments) +1960   System.Web.UI.DataSourceView.Select(DataSourceSelectArguments arguments, DataSourceViewSelectCallback callback) +17   System.Web.UI.WebControls.DataBoundControl.PerformSelect() +149   System.Web.UI.WebControls.BaseDataBoundControl.DataBind() +70   System.Web.UI.WebControls.FormView.DataBind() +4   System.Web.UI.WebControls.BaseDataBoundControl.EnsureDataBound() +82   System.Web.UI.WebControls.FormView.EnsureDataBound() +163   System.Web.UI.WebControls.CompositeDataBoundControl.CreateChildControls() +69   System.Web.UI.Control.EnsureChildControls() +87   System.Web.UI.Control.FindControl(String id, Int32 pathOffset) +21   System.Web.UI.Control.FindControl(String id) +9   CustomerDetailsEdit.OnPreRender(EventArgs e) in d:inetpubvhostsjavcentral.comhttpdocsUserControlsCustomerDetailsEdit.ascx.cs:60   System.Web.UI.Control.PreRenderRecursiveInternal() +86   System.Web.UI.Control.PreRenderRecursiveInternal() +170   System.Web.UI.Control.PreRenderRecursiveInternal() +170   System.Web.UI.Control.PreRenderRecursiveInternal() +170   System.Web.UI.Control.PreRenderRecursiveInternal() +170   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2041 

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'**************************************************************************
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<strong>Trust in Cyberspace<br />
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Your reputation follows you, even into cyberspace. Online reviews, peer comments
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Overview. I am converting over from MSDE to SQL Express. My front end program is unable to connect to the database. To troubleshoot, from the remote computer I tried connecting with the management program and I get the Error 26 unable to connect.

(The connection string worked previously (yesterday) when using MSDE as the server. When I installed SQL Express I named it the same instance as the server name under MSDE. I also use server authtication on both with same user name and password. As stated below I cannot connect using the managment console.)

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More Info. when attempting to log on I am using the server authntication, I use "sa" as the user id plus my password.

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Would appreciate any suggestions or tips. Thanks.
I HAVE READ THE POST FROM MAY 13, 2007 AND TAKEN ALL STEPS SUGGESTED EXCEPT MAKING SURE THE BROWSERS SERVICE IS RUNNING ON SERVER WHICH I WILL DO NOW.

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An error has occurred while establishing a connection to the server. When connecting to SQL Server 2005, this
I use Microsoft Windows Vista Home Professional
I have already installed to my computer Microsoft SQL Server 2005 and SQL Serves Express. I used to be successful to connect to the SQL Server but now I CAN NOT.

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Additional Details


An error has occurred while establishing a connection to the server. When connecting to SQL Server 2005, this failure may be caused by the fact that under the default settings SQL Server does not allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server)

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My site works fine in VWD2008 express, but I get this error when I try to use it on my live website.
An error has occurred while establishing a connection to the server. When connecting to SQL Server 2005, this failure may be caused by the fact that under the default settings SQL Server does not allow remote connections. 
According to this article: http://support.microsoft.com/kb/914277  I am supposed to:




1.
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Ok, there is no such program in this folder.  The only thing in there is "SQL Server Error and Usage Reporting"...
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Server Error in '/RBOdev' Application.


An error has occurred while establishing a connection to the server.  When connecting to SQL Server 2005, this failure may be caused by the fact that under the default settings SQL Server does not allow remote connections. (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified)
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.Data.SqlClient.SqlException: An error has occurred while establishing a connection to the server.  When connecting to SQL Server 2005, this failure may be caused by the fact that under the default settings SQL Server does not allow remote connections. (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified)Source Error:



An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below. Stack Trace:



[SqlException (0x80131904): An error has occurred while establishing a connection to the server. When connecting to SQL Server 2005, this failure may be caused by the fact that under the default settings SQL Server does not allow remote connections. (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified)]
System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection) +739123
System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) +188
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System.Data.SqlClient.SqlInternalConnectionTds.AttemptOneLogin(ServerInfo serverInfo, String newPassword, Boolean ignoreSniOpenTimeout, Int64 timerExpire, SqlConnection owningObject) +109
System.Data.SqlClient.SqlInternalConnectionTds.LoginNoFailover(String host, String newPassword, Boolean redirectedUserInstance, SqlConnection owningObject, SqlConnectionString connectionOptions, Int64 timerStart) +383
System.Data.SqlClient.SqlInternalConnectionTds.OpenLoginEnlist(SqlConnection owningObject, SqlConnectionString connectionOptions, String newPassword, Boolean redirectedUserInstance) +181
System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, Object providerInfo, String newPassword, SqlConnection owningObject, Boolean redirectedUserInstance) +170
System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection) +130
System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnection owningConnection, DbConnectionPool pool, DbConnectionOptions options) +28
System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection owningObject) +424
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Details
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Help!Urgent....!Connection Failure

May 14, 2008

Hi, I was using an accounting software which uses sql server 2005 express and while I was processing a transaction my machine got stuck and didn't allow to do any operation and I had to restart the machine.I've connected to a domain and after I logged in to the software I can process all other transactions but Couldn't process the one I tried when the machine got stuck. It says connection failure and Select * command dosent work. the software runs in the domain and it need .net frame work 2.o and Windows Installer 3.0 for installation.(Sage Pastel Evolution).I removed sage and Sql server completely and reinstalled but the result was same. Then I applied a patch for clearALLPool but I'm in the simmillar situation

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ODBC Connection Failure

Sep 12, 2006

Hello there!

This is my issue: I do have a database which back end is in SQL Server 2005 and front end is in ACCESS 2003. When one of the forms is trying to write duplicate information in any of the tables, there is a message coming "ODBC -- call failure", I wrote code trying to avoid that situation, but is keeps on coming. Does anybody have any idea about how to handle this exception? I would really appreciate a help on this subject.

Thanks;

Luisofo

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ODBC Connection Failure

Mar 15, 2007

My application (written in a proprietary old 4GL) is connecting to a SQL 2000 database via ODBC

This works fine nearly all the time, but occasionally, it throws the following error when trying to connect :

Connection Failed

SQLState '01000'

SQL Server Error: 10060

[Microsoft][ODBC SQL Server Driver][TCP/IP Sockets]Connection Open(Connect()).

Connection Failed:

SQLState '08001'

SQL Server Error: 17

[Microsoft][ODBC SQL Server Driver][TCP/IP Sockets]SQL Server does not exist or access denied.

This error is displayed in a Windows dialog box. When the OK button on this dialog is clicked, it throws up a login/password box. When this is filled in and submitted, the connection is usually made cleanly and the application continues.

The big problem is that the application is an unattended service, and this dialog can go unnoticed for quite a while.

If these dialogs are 'Cancelled' rather than 'OK'd, the 4GL receives the error and arranges to re-try the connection itself.

Is ODBC responsible for popping up the interactive dialog, and, if so, can I do anything to force it to return an error instead ?

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ODBC Connection Failure

Apr 7, 2007

I am having a problem getting the ODBC driver to connect.



I just installed VS2005 and can't connect to my SQL2000 server. It is there. I can't connect using either one of the mix mode authentication.



I can login to SQL from another pc when logged in with this user name. It has to be something on this pc blocking it.



Iam not rying to do this from a ASP web page just trying to setup a ODBC driver and I get these errors.

I get the error:" Login failed for user (null)" Not associated with a trusted connection



Thanks

Mike









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Error Handling - How To Suppress An Informational Error?

Nov 1, 1999

Hello,

I would like to supress an Informational error that SQL is returning when I run a stored proc that I created. The error message returned is:

Warning: Null value eliminated from aggregate.

The values returned from the stored proc are the results from a 'select * from #tmp_tbl". Before returning the values, I simply create the temp table, populate it and then run the select statement. Prior to getting my results, I get the error message. Can I suppress it and how?

Thank you.

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MSDE Remote Connection Failure

May 1, 2007

Hi all,

I installed a MSDE on a Windows XP SP2 and configured it for accepting remote connections. But It shows the "SQL Server doesnot exist or connection denied" message whenever I try to connect to this server. For more information I am adding more facts

* It is an MSDE and not a WMSDE
* Firewall is turned off
* Server process is listening on 0.0.0.0:1433
* TCP/IP and Named Pipes are enabled using server network utility
* LoginMode=2 is set for mixed mode authentication in the registry
* Tried restaring the Process and even windows after the changes.


Please help me !!

Thanks in advance

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Connection Failure - Data Corruption?

Jan 18, 2006

Hi,

Yesterday, one of the computers on the network of our SQL server experienced a connection failure while using two specific jobs in a table containing assignments for jobs. The data interaction occurs from a Data Access Page, and from what I've learned, the nature of a DAP is such that the client not only connects to the web server but actually also establishes a direct connection to the SQL Server (we use a backend of MS SQL Server 2003). The data is still inside the tables, but on the Data Access Page, any data that was opened during the connection failure does not show up anymore from any computer.

My guess is that there was corruption of some sort on another layer beneath the actual data layer that cannot be accessed directly or viewed. To remedy this problem, I am going to try to recreate all affected records and rebuild all table ID ties manually with append and update queries. Does anyone know the actual problem or corruption that occurs during a connection failure? Is there a way to access the affected layer(s) and undo the corruption or remedy the affect so the records can be used? Is the problem with the SQL Data itself or on a layer with MS Access/MS DAP?

This data is very important and needs to be used today and was supposed to be used yesterday. If anyone could help me in this matter or provide a better way to undo the supposed corruption, it would be greatly appreciated :)!

thanks in advance,
mellamokb

PS - I don't know if this makes a difference, but other data has been changed in the same database/tables since the connection failure, so a complete reversion back to the system at that point in time would mean loss of other updated data.

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Aliases And Remote Connection Failure

Nov 14, 2007

Just stumbled over the interesting bug -
if you have an SQLExpress server and the "allow remote connection" in SQL Instance is turned ON, it doesn't means that it works if you create some aliases for this instance

If Im trying to connect to SQLExpress via new created alias ('localhost' for example) I got the "SQL Server does not allow remote connections" error. Albeit, connecting to ".SQLExpress" is successful.
I've checked the properties of locahost DB instance in SQL Management Studio - remote connection is allowed.
I've restarted the SQLExpress instance.
There is no SQLServer or other instances on my PC

But it doesn't work

How to fix this and allows to connect to sql instance via aliases?

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Adding Transaction Causes Connection Failure?

May 14, 2007

I have some tables that I need to wipeout and reload once per day. So I have created a T-SQL task that does a truncate table, then a data flow task, then a update statistics task. Running those works fine, but as soon as I put them all into a sequence container and set the container to require transactions, the first step gets a connection failure. "Failed to acquire connection "<name>". Connection may not be configured correctly or you may not have the right permissions on this connection". I am using a .Net SQLClient data provider for the T-SQL task and in the data flow task I have to use a OLEDB provider so that I can run the task locally in development.



Is there something I am doing wrong or is there some other way to handle truncate, load, update stats all in a transaction?



Thanks.

Tim

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Login Failure For OLE DB Data Connection

Aug 13, 2007

Hello,

I have encountered a problem with my data source connection. I have a data souce that uses a SQL Login to access a remote server. When I test the connection in the Data Source Designer all works fine. Even when I add the data source as a new data connection in my SSIS package an use it in a OLE DB Source component it works fine, in the preview window.

But when I try to run the package in debug mode i get the following error message,


SSIS package "rXolapform.dtsx" starting.

Information: 0x4004300A at Data Flow Task, DTS.Pipeline: Validation phase is beginning.

Error: 0xC0202009 at rXolapform, Connection manager "Frango_A_Source": SSIS Error Code DTS_E_OLEDBERROR. An OLE DB error has occurred. Error code: 0x80040E4D.

An OLE DB record is available. Source: "Microsoft SQL Native Client" Hresult: 0x80040E4D Description: "Communication link failure".

An OLE DB record is available. Source: "Microsoft SQL Native Client" Hresult: 0x80040E4D Description: "TCP Provider: An existing connection was forcibly closed by the remote host.

".

An OLE DB record is available. Source: "Microsoft SQL Native Client" Hresult: 0x80040E4D Description: "Login failed for user 'sa'.".

Error: 0xC020801C at Data Flow Task, OLE DB Source 1 [1675]: SSIS Error Code DTS_E_CANNOTACQUIRECONNECTIONFROMCONNECTIONMANAGER. The AcquireConnection method call to the connection manager "Frango_A_Source" failed with error code 0xC0202009. There may be error messages posted before this with more information on why the AcquireConnection method call failed.

Error: 0xC0047017 at Data Flow Task, DTS.Pipeline: component "OLE DB Source 1" (1675) failed validation and returned error code 0xC020801C.

Error: 0xC004700C at Data Flow Task, DTS.Pipeline: One or more component failed validation.

Error: 0xC0024107 at Data Flow Task: There were errors during task validation.

SSIS package "rXolapform.dtsx" finished: Failure.

The program '[4316] rXolapform.dtsx: DTS' has exited with code 0 (0x0).


Does anyone have any idea of what it could be?

Thanks in advance!

/P

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Mssql2k Sqloledb.1 (re)connection Failure

Sep 7, 2007

Hey all, 2 questions.

Is there a way to 'refresh' the value of adodb.connection.state? and When my ado class reconnects after a dropped connection i still get connection failure errors.

I'm trying to make the connection b/n the my work's app and mssql server more 'robust'.

Our ado class tests the connection in the 'execute' method ie if connect() execute db task

.connect() is

IF this.loConnection.State = adStateOpen
*-- The connection is already open.
ELSE
create connection
ENDIF

return (this.loConnection.State = adStateOpen)

Now, this works fine when starting up the app, and everything runs fine, but *in theory* it should be able re-establish the connection at any time. So i kill the connection @ on the sql server while the app is running and try to perform a task that requires a db connection.

problem is that 'this.loConnection.State' is still equal to 1 even though the connection is no longer there.

It gets changed to 0 when the .execute fails but the failure is less than graceful... and although it reconnects (sp_who shows a new connection), it seems like the ado object is trying to connect using the old connection rather than the new one. command.activeconnection is set to the new connection in the .connect method so i dunno what's up.

Any ideas?

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Connection Failure To SQL When Database Updated

Jan 23, 2008

Hi,

I have very little, to zero, IT configuration knowledge and I am hoping that someone is able to help me out.

I am currently writing the SQL scripts and developing the reports in the SQL Server Business Intelligence Development Studio, and then deploying the reports to the server for managers to eventually view.

Recently the IT section updated the test database (temp) that is connected to SQL Server 2005, with the live database (production), so that the data and database structure were up to date for me to create the reports.

When the update was done, the connection to SQL Server failed, and the newly appointed IT person responsible for SQL does not know how to resolve the problem. Up until yesterday I was getting a message that said that the connection has failed and then today I have the following message (she has been trying very hard to get it working):

An error occurred during local report processing.
An error has occurred during report processing.
Query execution failed for dataset 'Division'.
The SELECT permission was denied on the object 'Dim1', database 'payglobal', schema 'dbo'.

The reports that were deployed to the server prior to the update are still accessible however I am unable to review any reports I edit within the Development Studio. It has been out of action now for nearly two weeks.

Could someone please give me very detailed instructions on where the IT person should look, and what she should do to fix the problem. I will then pass these onto her.

Thanks.

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Handling @@error

Apr 16, 2008

Hi there,
         Can anyone help me in catching @@error value.
I have a stored procedure which return @@error value, I  need to read that in my dataaccesslayer and act according to it.
how do I catch the return value from stored procedure in my dataaccesslayer.
if I am not wrong @@error return a bool value
 
Thanks in advance.

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