Implement Transaction In Function For A XML File?
Sep 23, 2011How to Implement transaction in function for an XML file?
View 2 RepliesHow to Implement transaction in function for an XML file?
View 2 RepliesI want to know that do you still need to rollback your transaction if you haven't commit the transaction that was created earlier.
[Code]...
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?
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]....
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)
I am trying to implement map function in VB.NET and I have tried the below.
Function Map(a,f)
Dim i
for each i in a
f(i)
[code].....
But the above code is not working and saying alert is not declared.
Below is my code for DELETE button. What i want is if the user select the transaction from the listview and press the DELETE button it must be able to delete the transaction from listview and text file(temporary log file) which i keep all the transaction record. At the same time the list view must able show the total current balance from the deleted trnsaction.
[Code]...
I'm looking to implement a sort function in my program however I am new to VB and don't know how to. Basically I have 6 objects in my program racing across the screen and what I would like is a leaderboard showing the current top 3.
View 13 RepliesIm getting the following error on the code I transleted from C# to VB.NET below (original code can be found here:
Class 'QueryParameterComparer' must implement 'Function Compare(x As oAuthBase2.QueryParameter, y As oAuthBase2.QueryParameter) As Integer' for interface 'System.Collections.Generic.IComparer(Of QueryParameter)'.
[code]......
I am working with existing VB.NET code for a Windows Application that uses StreamWriter and Serializer to output an XML document of transaction data. Code below. Private TransactionFile As ProjectSchema.TransactionFile
Dim Serializer As New Xml.Serialization.XmlSerializer(GetType(ProjectSchema.TransactionFile))
Dim Writer As TextWriter
[code].....
I have the following multithreading function to implement threads fetching from a list of urls to parse content. The code was suggested by a user and I just want to know if this is an efficient way of implementing what I need to do. I am running the code now and getting errors on all functions that worked fine doing single thread.for example now for the list that I use to check visited urls; I am getting the 'argumentoutofrangeexception - capacity was less than the current size'/Does everything now need to be synchronized?
Dim startwatch As New Stopwatch
Dim elapsedTime As Long = 0
Dim urlCompleteList As String = String.Empty
[code]...
I need another (dozen) pair of eyes on this. The following code:
Interface iRuleEntity
Function GetRuleViolations() As List(Of RuleViolation)
End Interface
Partial Public Class Feedback
[code]....
is giving me this error:'Feedback' must implement 'Function GetRuleViolations() As System.Collections.Generic.List(Of RuleViolation)' for interface 'iRuleEntity'.
I want to add from vb.net a file into a clob column in oracle 9.6.1 (8 mb). When i add the file within a transaction then it goes much longer (10x longer) then when i add it whitout transaction. Why i have to wait so long with transaction object?
Here i have prepared an example code. the first code is without transaction and the second code with transaction. The first code is much faster then the second.
I have the problem only when i want to add the file in a clob column. When i want to add it in a blob column, then i don't have any problem.[code]...
I am explaining an issue that I have faced in my SSIS Package today. A script task reads a string from particular position in a feed file which is basically Transaction amount. I am providing the psuedo code below to explain the issue
[Code]...
I need to implement a routine to read a plain text file, BUT that file has a predefined format.The file format is as follows:
Quote:
<FILE_PROPERTIES> 'The "< >" also appears
Propertie1="String" 'It's possible to have spaces after or before the "="
Propertie2="String"
Propertie3="String"
PropertieN="String"
[code]....
Is there any Windows API Routine to read something like that?Or could you point me an URL where something is implemented?I don't want a procedure to read the file line by line and comparing them with Line Input because blank spaces, empty lines and comments starting with " // " may appear too, and I don't want to take them into account, but also I need to save changes to the file, but only to the modified section, without having to read the whole file, and re-write it completely.
Binary access can't work, because I don't know what's the size of each "section", since the number of elements into it can change.
I need something like the "ReadINI" Windows API Procedure, but allowing me to read the "[XXX]" sections headers, and also the "<XXX>" file title header.
How do I update records in a dataset with records in a transaction file?
View 3 RepliesIs there somebody who can tell me how to convert/implement a JScript-file to an Visual Basic 2010 project?
View 4 RepliesI have a program I wrote that copies select files from one remote computer to another.
The set up I for testing is, one computer(a) at home running the program connected to my work's network via VPN and two computers(b,c) at work side by side on the same network. I am trying to copy the files on computer b to computer c, while the program is running on computer a.
The only thing wrong with this is, the files seem to be caching to a temp folder on computer a then going to computer c. When it should be going straight from computer b to computer c. Is there a way to keep the files from trying to cache on the computer running the app?
link that implements DES algorithm with CBC. if I want to use an existing class to implement the standard DES (using ECB) to encrypt file, how do i do? I want to use this class because it implements each step of the algorithm.
View 4 RepliesI 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."
View 3 RepliesCan 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
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...
View 1 RepliesI'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]...
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...]
View 1 RepliesI Ported this code from a code project article in c# called Nscript
heres the code
Base App
Imports System
Imports System.IO
Imports System.Resources
[code]....
Okay Now I only get two errors (I dont know how to solve them)
Error3Class 'BaseApp' must implement 'Sub OnCompilerError(errors() As CompilerError)' for interface 'IScriptManagerCallback'.
And
Error4Class 'ScriptManager' must implement 'Sub CompileAndExecuteFile(file As String, args() As String, callback As IScriptManagerCallback)' for interface 'IScriptManager'.
But What I would also Like to know (as well as how to fix the errors), is would the code work?
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!")
transaction.Rollback()
In my project i am using begin transaction commit or rollback changes. but this causes lock to the tables in that particular functionality.
So if the any other user does any other functionality those locked table are not available until the transaction is completed. I want to know if there is any alternative to transaction which insures data security but the tables are not locked out.
i am building a transaction called client search the location of movie in store which mean client search the movie then get the direction of the movie where it is located in store. So now i need to build classes for this transaction which i am unable to find it because i am confuse about direction table .
View 1 RepliesI 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.
I am generating new code for a transaction.
View 11 Replies