VS 2008 - Transaction SProc's In Code - Says That My Insertcommand's Transaction Object Is Null

Apr 29, 2009

I've seen plenty of examples of transactions in the actual store procedure's SQL. But I'm wanting to do the transaction and keep track of it in code. I tried this but it says that my insertcommand's transaction object is null. How can I fix this?

vb Dim conn As SqlConnection = DBConnections.SQLServerConnection
conn.Open()
Dim params(1) As SqlParameter

[CODE]....

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Transaction Object - The Transaction Property Of The Command Has Not Been Initialized

Mar 5, 2009

What is this kind of exception?

Error : Execute requires the command to have a transaction object when the connection assigned to the command is in a pending local transaction. The transaction property of the command has not been initialized..

This one causes the error: Dim oOperation As COperationOutputTypeBS
oOperation = COperationOutputTypeBS.GetOperationOutputType(txtOperationCode.Text)

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Oracle Transaction - Rollback Your Transaction If You Haven't Commit The Transaction

Oct 31, 2011

I want to know that do you still need to rollback your transaction if you haven't commit the transaction that was created earlier.

[Code]...

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Transaction Error On Call To Commit() When Select Has Been Executed Inside Transaction?

May 9, 2011

I get this error at the Commit of a transaction in a desktop application:

This OleDbTransaction has completed; it is no longer usable.

Other posts I have seen with similar error suggests this can occur if it takes a long time, or contains large amounts of data. This is not the case here.Logging tells me it takes 140 ms from Begin to Commit and about 10 commands executed inside the transaction.It is using an Oracle database.This class is a simplified version of my database class:

Class MyDatabase
Private mConnection AS OleDbConnection
Private mTransaction AS OleDbTransaction

[code]....

Is it not allowed to run a select inside a transaction like this? Or can it be done by running the transaction in a specific isolation level (I see that the BeginTransaction method has an optional parameter for doing this) ? ..Or some other sollution..? In my case, it was not a problem to move the select to run before the transaction started, but what if you need to run selects that must run inside the transaction?

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Apr 4, 2011

i have this sql transaction i am using to make sales.But when ever i run the code it give me this null reference exception.I do not really know what is wrong.

[Code]...

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Generate New Transaction Code?

Sep 5, 2011

I am generating new code for a transaction.

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Sql - Transaction Inside Of Code

May 4, 2012

We are developping an application VB.net 2.0 and SQL 2005. Users are allowed to cancel a reception based on a purchase which may contains many received goods. But, during the process of cancellation, some questions are asked to users such as "Do you want to cancel Good #1".

If yes, delete. Then, "Do you want to cancel Good #2", no, do not delete and one another question (if received item is issued, a process must be made manualy by the user). And, at the end, if all goods were successfully cancelled, we have to cancel the reception itself. But sometime, if an error occurs or some conditions occurs once asked to user in this process, we want to cancel any actions made from the beginning and make it back to his original state. So I thought about Transaction.

[Code]...

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VB 2008 Transaction Commands?

Jul 28, 2010

back in VB6 i have used the following commands many time very succesfully, however for some reason i have been unable to find the correct manner to accomplish these task in vb 2008

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VS 2008 Transaction Scoop Generate Error

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VS 2008 InsertCommand - Column 'Contact_2' Cannot Be Null

Mar 8, 2012

I am connected to a MYSQL database and the following Insertcommand works fine:

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Now when I want the option of updating all the columns it keeps saying "Column 'Contact_2' cannot be null" or contact_1, so all the fields need something and not all suppliers of course have two numbers. What am I doing wrong? here is the

InsertCommand="INSERT INTO suppliers (Supplier, Contact_1, Contact_2) VALUES (?Supplier, ?Contact_1, ?Contact_2)"

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Insert SQL 2008 Parent And Child Rows In A Single Transaction?

Nov 13, 2010

First, a little background (greatly simplified): I have two classes, one called Entity and one called Item which a subclass of Entity. They each store their individual properties in seperate SQL 2008 tables using TableAdapters generated by a strongly typed DataSet. The Entity class has a Save() method that looks like this:

Public Sub Save()
entityTableAdapter.Update(entityRow)
End Sub

[Code]....

Indeed, the SQL table does not contain a row in the Entity table with the necessary ID at this point because the transaction is not complete.

My goal is to prevent the Entity record from being inserted if inserting the Item record fails. I could write code to delete the Entity record again, but this does not seem very elegant to me...

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[2008] Link 2 Parts Of My The Transaction Part Of Vending Machine?

Jan 12, 2009

I don't know really how to link 2 parts of my the transaction part of my vending machine and the restocking bit. Here is the The Restocking bit is basically adding to values from txtbx27 and 13 in the listbox and then showing the final value in the txb27, which i want to link with Transaction part of my code so that its possible to control machine's stock.

[code]...

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Sql Transaction In ADO.Net

Sep 22, 2010

I am getting the following error while handling transaction(Isoloation level is serializable) in Ado.Net."Transaction (Process ID 75) was deadlocked on lock resources with another process and has been chosen as the deadlock victim. Rerun the transaction."

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Add Transaction To Some Subs?

May 20, 2010

Can I code to add transaction for some subs? If there is an error in any sub will roll back.For example,

sub1 delete some tables

sub2 insert data into tables which just be deleted

sub3 send out confirmation email

sub4 make submit button disable

I knew that transaction will work for sub1 and sub2 but I do not know if transaction will work for all of subs

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Two Connections Under One Transaction

May 24, 2012

I searched araound and having some difficulties in implementing one scenario with SQL Server 2000 and sybase.I have two SQL servers on different locations naming ServerA (MSSQL Server) and ServerB (Sybase server).I have a table called SALARY.Whenever I insert one record to customer SALARY in ServerA, I also will insert it into ServerB.If should any of them failed, both of them should be rolled back.I am using Asp .Net with VB for the programming.I do not have the right to change / add table in Server B. The only thing allowed in Server B is insert/delete/update record.I looked around and find a method to use TransactionScope but I am not quite sure it is the right way to do.url...

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Use A Transaction To D Update?

Sep 27, 2011

I've found my current side project has become a great learning experience and have decided to keep it going that way. What I'm trying to do is update a table from a DataTable. The datatable has been created and isn't a direct result of a

query otherwise I'd just use a update and not learn anything new. This is what I have for code thus far[code]...

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Jun 12, 2011

I'm having a hard time on using Transaction then after that I need to use sqldataadapter. When I tried the code below I'm having an error "ExecuteReader requires the command to have a transaction when the connection assigned to the command is in a pending local transaction. The Transaction property of the command has not been initialized." Pointing to this block.[code...]

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Mar 7, 2012

While working on some functions that update my database, I was writing some quick tests just to make sure my functions were executing properly. When it comes time to actually update the database I can pass a transaction to a function and then commit it:

user.Assignment("assignment value for some column in table", connection, transaction)
transaction.Commit()

I am curious if there is a way to write a quick test that can verify that the transaction will actually update certain rows before committing?

(pseudoish-code)
user.Assignment("assignment value for some column in table", connection, transaction)
If Not transaction["SomeColumn"] = "Expected value for SomeColumn"
assert("ColumnName was not going to be updated to the expected value!")
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Mar 20, 2012

In my project i am using begin transaction commit or rollback changes. but this causes lock to the tables in that particular functionality.

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Jun 21, 2010

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Oct 8, 2011

I am using visual studio 2008. and i put dataset to use report wizard. but, when i compiled it, i got this errors.

Error1Property 'Transaction' is 'ReadOnly'.C:\Documents and Settings\mahalia\Desktop\NewProject\NewProject\DataSet2.Designer.vb292321NewProject
Error6'OracleDbTypeEx' is not a member of 'Oracle.DataAccess.Client.OracleParameter'.C:\Documents and Settings\mahalia\Desktop\NewProject\NewProject\DataSet2.Designer.vb299113NewProject

--- and when i locate it, i saw it in dataset.designer.vb.

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Mar 5, 2010

I'm learning about VB.Net and need to work with an SQLite database using the open-source System.Data.SQLite ADO.Net solution.The examples I found in the HOWTO section are only in C#. Would someone have a simple example in VB.Net that I could study to understand how to use transactions when INSERTing multiple parameters?[code]

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However, I've just inherited a problem and was wondering if anyone knows if I can solve it with a command line application written in .NET. Basically, we have a SAP transaction which has been written which imports data from a csv file.At the moment, it will be a manual process requiring someone to log in and run the transaction. Does anyone know if it's possible to action this from a command line app which we could then set up as a scheduled task?

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SQL Transaction Locking Whole Tables?

Mar 7, 2012

I am trying to use a transaction for the duration that the dialog is open and then commit the changes once the dialog has been ok�d or rollback'd if canceled by the user.My problem is when I use the transaction it is locking the whole of the tables that I�m using to update and insert new records too.I update the record in the first (current) table and insert a new record into the second (history) table. Obviously this is causing me problems as I only want the transaction to lock the specific records i'm updating and not allow a new insert record with my PK associated to my that I�m updating, not lock the whole of the 2 tables.This is my code[code]....

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SQL Transaction Rollback Failure

Nov 11, 2011

I have 2 tables which I want to insert data into, table "CAM" and table "COut", after inserting data in "CAM" it shall return a retAutoID which will be hand to "COut" as one of the parameter required for it's insertion. I implemented a rollback in my Business Logic such that if "Cout" hits an exception error while inserting, the previous insertion for "CAM" will rollback even if successful.With the code below, I am getting this error after trying to do perform insertion:"ExecuteNonQuery requires the command to have a transaction when the connection assigned to the command is in a pending local transaction. The Transaction property of the command has not been initialized." [code]

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SqlConnection Transaction Support?

Jan 4, 2012

I'm trying to add transaction support to our database object.This object is a Remoting object. (this to ensure that on the Windows Client, no database connection is required.)Now I want to add support for transactions;Basically, a client will need to use it like this;

BeginTransaction
ExecuteNonQuery("insert...")
ExecuteNonQuery("insert...")

[code].....

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Updating Records Using Transaction

May 1, 2009

I am trying to update a link table with values from multiple datagrids, the field types in the link table are numbers and the value selected from the datagrids are also numbers.

I am getting the following error:

The OleDbParameterCollection only accepts non-null OleDbParameter type objects, not String objects.

In line : cmdCompany.Parameters.Add("@COMPANY_ID")

[Code].....

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Use Transaction With Typed DataSets?

Apr 30, 2010

I have a DB application that I've created using the Datasources wizard. A particular insert requires that two inserts must be done at the same time meaning that it has got to use transaction. how to use transaction in this situation.Only performance counts!

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Using Transaction In Multiple Functions?

May 24, 2010

I'm trying to use transactionscope to maintain database consistent. But I'm getting error ('Already enlisted'). I'm using transactionscope in multiple functions. I'm trying to do something like this

Private Function RootMethod() As Boolean
Using scope as New Transactionscope
'Connecting & executing query.

[Code].....

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Asp.net Mvc 3 - PayPal Ipn With MVC 3 Status 200 But Not Logging Transaction At All?

Oct 23, 2011

Using VB MVC 3 with Razor ... can I create the PayPal ipn in any controller? say I put it in its own controller say IPN. Would the URL not then be [URL] ? and if that is correct. Do I need to create a blank view page named Ipn or what ever the Ipn action name is?? In this view would It need to contain any razor syntax? I have been back and fourth over every single post I could find about IPN but there is nothing for MVC 3 vb.net.. This has been edited... I have got the IPN handler reutrning status 200. And when I run it through the tester I get success... However actual test transactions are not being entered in the database...The Ipn Controller function is this:

End Function
<AcceptVerbs(HttpVerbs.Post)>
Function IPN_Handler(ByVal sender As Object, ByVal e As System.EventArgs)
Dim strFormValues As String = Request.Form.ToString()

[code]....

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