hi all
When I update my dataset it gives me an error which follows
"Concurrecn y failed, 0 record affected"
I don't know why??..I don't do anything that raise this error..
just when user press Save button I call Update mehtod of my SqlDataAdaptor. .
11  1363 
The dataAdapter thinks there is an error because 0 rows were updated when
you did an Update, you need to isolate the reason for this by debugging.
--
Terry Burns http://TrainingOn.net
"perspolis" <re*****@hotmai l.com> wrote in message
news:OI******** ******@TK2MSFTN GP14.phx.gbl... hi all
When I update my dataset it gives me an error which follows
"Concurrecn y failed, 0 record affected"
I don't know why??..I don't do anything that raise this error..
just when user press Save button I call Update mehtod of my
SqlDataAdaptor. .
I chnage my dataset and even check the row that raise this error..
but that row has modified row state ..then I think it can be updated..
but it dosen't :(
"Terry Burns" <us@ourWebSite. com> wrote in message
news:#2******** ******@TK2MSFTN GP10.phx.gbl... The dataAdapter thinks there is an error because 0 rows were updated when
you did an Update, you need to isolate the reason for this by debugging.
--
Terry Burns
http://TrainingOn.net
"perspolis" <re*****@hotmai l.com> wrote in message
news:OI******** ******@TK2MSFTN GP14.phx.gbl... hi all
When I update my dataset it gives me an error which follows
"Concurrecn y failed, 0 record affected"
I don't know why??..I don't do anything that raise this error..
just when user press Save button I call Update mehtod of my
SqlDataAdaptor. .
Did you write the Update code yourself. Its easy to make an error, try
creating a new project and letting the wizard write the update code and then
check it against yours.
--
Terry Burns http://TrainingOn.net
"perspolis" <re*****@hotmai l.com> wrote in message
news:%2******** ********@tk2msf tngp13.phx.gbl. .. I chnage my dataset and even check the row that raise this error..
but that row has modified row state ..then I think it can be updated..
but it dosen't :(
"Terry Burns" <us@ourWebSite. com> wrote in message
news:#2******** ******@TK2MSFTN GP10.phx.gbl... The dataAdapter thinks there is an error because 0 rows were updated when
you did an Update, you need to isolate the reason for this by debugging.
--
Terry Burns
http://TrainingOn.net
"perspolis" <re*****@hotmai l.com> wrote in message
news:OI******** ******@TK2MSFTN GP14.phx.gbl... > hi all
> When I update my dataset it gives me an error which follows
> "Concurrecn y failed, 0 record affected"
> I don't know why??..I don't do anything that raise this error..
> just when user press Save button I call Update mehtod of my
> SqlDataAdaptor. .
>
>
>
The reason for this is that you have a timestamp or something of that
nature on the record which was changed before you made the update.
For example, you could have a timestamp value on the row. When you
select the row, say the value is "a". Then, some other operation somewhere
saves the record, and it updates to "b". Then, you try and save your
changes. When you save it, it compares "a" with "b", and realizes that
someone else made a change, and you might not want to commit your change,
since the data you have is outdated.
Hope this helps.
--
- Nicholas Paldino [.NET/C# MVP]
- mv*@spam.guard. caspershouse.co m
"perspolis" <re*****@hotmai l.com> wrote in message
news:%2******** ********@tk2msf tngp13.phx.gbl. .. I chnage my dataset and even check the row that raise this error..
but that row has modified row state ..then I think it can be updated..
but it dosen't :(
"Terry Burns" <us@ourWebSite. com> wrote in message
news:#2******** ******@TK2MSFTN GP10.phx.gbl... The dataAdapter thinks there is an error because 0 rows were updated when
you did an Update, you need to isolate the reason for this by debugging.
--
Terry Burns
http://TrainingOn.net
"perspolis" <re*****@hotmai l.com> wrote in message
news:OI******** ******@TK2MSFTN GP14.phx.gbl... > hi all
> When I update my dataset it gives me an error which follows
> "Concurrecn y failed, 0 record affected"
> I don't know why??..I don't do anything that raise this error..
> just when user press Save button I call Update mehtod of my
> SqlDataAdaptor. .
>
>
>
More generically, the original posted has a WHERE clause in the UPDATE
statement that is not matching any rows. It is possible, if he crafted this
UPDATE himself, that he is doing something other than looking at a TimeStamp
or DateTime field, or a laborious comparison of all fields before and
after -- or that he has implemented them wrong.
Figure out why the UPDATE isn't affecting any rows and you have the answer.
It doesn't matter that the datarow in the datatable has changed; it only
matters whether SQL Server can find any matching record(s) to put the
changed data into.
--Bob
"Nicholas Paldino [.NET/C# MVP]" <mv*@spam.guard .caspershouse.c om> wrote in
message news:uJ******** ******@TK2MSFTN GP15.phx.gbl... The reason for this is that you have a timestamp or something of that
nature on the record which was changed before you made the update.
For example, you could have a timestamp value on the row. When you
select the row, say the value is "a". Then, some other operation
somewhere saves the record, and it updates to "b". Then, you try and save
your changes. When you save it, it compares "a" with "b", and realizes
that someone else made a change, and you might not want to commit your
change, since the data you have is outdated.
Hope this helps.
--
- Nicholas Paldino [.NET/C# MVP]
- mv*@spam.guard. caspershouse.co m
"perspolis" <re*****@hotmai l.com> wrote in message
news:%2******** ********@tk2msf tngp13.phx.gbl. ..I chnage my dataset and even check the row that raise this error..
but that row has modified row state ..then I think it can be updated..
but it dosen't :(
"Terry Burns" <us@ourWebSite. com> wrote in message
news:#2******** ******@TK2MSFTN GP10.phx.gbl... The dataAdapter thinks there is an error because 0 rows were updated
when
you did an Update, you need to isolate the reason for this by debugging.
--
Terry Burns
http://TrainingOn.net
"perspolis" <re*****@hotmai l.com> wrote in message
news:OI******** ******@TK2MSFTN GP14.phx.gbl...
> hi all
> When I update my dataset it gives me an error which follows
> "Concurrecn y failed, 0 record affected"
> I don't know why??..I don't do anything that raise this error..
> just when user press Save button I call Update mehtod of my
> SqlDataAdaptor. .
>
>
>
thx all..I use a transaction..wh en an error occurs I rollback
transaction..an d when I change my dataset again and correct that error the
concurrency error occures...
"Bob Grommes" <bo*@bobgrommes .com> wrote in message
news:#O******** ******@tk2msftn gp13.phx.gbl... More generically, the original posted has a WHERE clause in the UPDATE
statement that is not matching any rows. It is possible, if he crafted
this UPDATE himself, that he is doing something other than looking at a
TimeStamp or DateTime field, or a laborious comparison of all fields before and
after -- or that he has implemented them wrong.
Figure out why the UPDATE isn't affecting any rows and you have the
answer. It doesn't matter that the datarow in the datatable has changed; it only
matters whether SQL Server can find any matching record(s) to put the
changed data into.
--Bob
"Nicholas Paldino [.NET/C# MVP]" <mv*@spam.guard .caspershouse.c om> wrote
in message news:uJ******** ******@TK2MSFTN GP15.phx.gbl... The reason for this is that you have a timestamp or something of that
nature on the record which was changed before you made the update.
For example, you could have a timestamp value on the row. When you
select the row, say the value is "a". Then, some other operation
somewhere saves the record, and it updates to "b". Then, you try and
save your changes. When you save it, it compares "a" with "b", and realizes
that someone else made a change, and you might not want to commit your
change, since the data you have is outdated.
Hope this helps.
--
- Nicholas Paldino [.NET/C# MVP]
- mv*@spam.guard. caspershouse.co m
"perspolis" <re*****@hotmai l.com> wrote in message
news:%2******** ********@tk2msf tngp13.phx.gbl. ..I chnage my dataset and even check the row that raise this error..
but that row has modified row state ..then I think it can be
updated.. but it dosen't :(
"Terry Burns" <us@ourWebSite. com> wrote in message
news:#2******** ******@TK2MSFTN GP10.phx.gbl...
The dataAdapter thinks there is an error because 0 rows were updated
when
you did an Update, you need to isolate the reason for this by
debugging.
--
Terry Burns
http://TrainingOn.net
"perspolis" <re*****@hotmai l.com> wrote in message
news:OI******** ******@TK2MSFTN GP14.phx.gbl...
> hi all
> When I update my dataset it gives me an error which follows
> "Concurrecn y failed, 0 record affected"
> I don't know why??..I don't do anything that raise this error..
> just when user press Save button I call Update mehtod of my
> SqlDataAdaptor. .
>
>
>
Doesn't change the solution -- you have to determine why the second UPDATE
isn't matching any records. Something makes the WHERE condition false the
second time. What is it?
--Bob
"perspolis" <re*****@hotmai l.com> wrote in message
news:ul******** ******@TK2MSFTN GP09.phx.gbl... thx all..I use a transaction..wh en an error occurs I rollback
transaction..an d when I change my dataset again and correct that error the
concurrency error occures...
"Bob Grommes" <bo*@bobgrommes .com> wrote in message
news:#O******** ******@tk2msftn gp13.phx.gbl... More generically, the original posted has a WHERE clause in the UPDATE
statement that is not matching any rows. It is possible, if he crafted
this UPDATE himself, that he is doing something other than looking at a
TimeStamp or DateTime field, or a laborious comparison of all fields before and
after -- or that he has implemented them wrong.
Figure out why the UPDATE isn't affecting any rows and you have the
answer. It doesn't matter that the datarow in the datatable has changed; it only
matters whether SQL Server can find any matching record(s) to put the
changed data into.
--Bob
in my project I have 2 tables (one master and another details)
first I update master then details..when I make a mistake in details and
update both ,the details gives me an error then I correct that error and
update both again..this time I get a concurrency error...I don't do anything
special to get this error..
"Bob Grommes" <bo*@bobgrommes .com> wrote in message
news:#K******** ******@TK2MSFTN GP09.phx.gbl... Doesn't change the solution -- you have to determine why the second UPDATE
isn't matching any records. Something makes the WHERE condition false the
second time. What is it?
--Bob
"perspolis" <re*****@hotmai l.com> wrote in message
news:ul******** ******@TK2MSFTN GP09.phx.gbl... thx all..I use a transaction..wh en an error occurs I rollback
transaction..an d when I change my dataset again and correct that error
the concurrency error occures...
"Bob Grommes" <bo*@bobgrommes .com> wrote in message
news:#O******** ******@tk2msftn gp13.phx.gbl... More generically, the original posted has a WHERE clause in the UPDATE
statement that is not matching any rows. It is possible, if he crafted
this UPDATE himself, that he is doing something other than looking at a
TimeStamp or DateTime field, or a laborious comparison of all fields before and
after -- or that he has implemented them wrong.
Figure out why the UPDATE isn't affecting any rows and you have the
answer. It doesn't matter that the datarow in the datatable has changed; it
only matters whether SQL Server can find any matching record(s) to put the
changed data into.
--Bob
in my project I have 2 tables (one master and another details)
first I update master then details..when I make a mistake in details and
update both ,the details gives me an error then I correct that error and
update both again..this time I get a concurrency error...I don't do anything
special to get this error..
"Nicholas Paldino [.NET/C# MVP]" <mv*@spam.guard .caspershouse.c om> wrote in
message news:uJ******** ******@TK2MSFTN GP15.phx.gbl... The reason for this is that you have a timestamp or something of that
nature on the record which was changed before you made the update.
For example, you could have a timestamp value on the row. When you
select the row, say the value is "a". Then, some other operation
somewhere saves the record, and it updates to "b". Then, you try and save your
changes. When you save it, it compares "a" with "b", and realizes that
someone else made a change, and you might not want to commit your change,
since the data you have is outdated.
Hope this helps.
--
- Nicholas Paldino [.NET/C# MVP]
- mv*@spam.guard. caspershouse.co m
"perspolis" <re*****@hotmai l.com> wrote in message
news:%2******** ********@tk2msf tngp13.phx.gbl. ..I chnage my dataset and even check the row that raise this error..
but that row has modified row state ..then I think it can be
updated.. but it dosen't :(
"Terry Burns" <us@ourWebSite. com> wrote in message
news:#2******** ******@TK2MSFTN GP10.phx.gbl... The dataAdapter thinks there is an error because 0 rows were updated
when you did an Update, you need to isolate the reason for this by
debugging.
--
Terry Burns
http://TrainingOn.net
"perspolis" <re*****@hotmai l.com> wrote in message
news:OI******** ******@TK2MSFTN GP14.phx.gbl...
> hi all
> When I update my dataset it gives me an error which follows
> "Concurrecn y failed, 0 record affected"
> I don't know why??..I don't do anything that raise this error..
> just when user press Save button I call Update mehtod of my
> SqlDataAdaptor. .
>
>
>
This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics | |
by: AIM |
last post by:
Error in msvc in building inheritance.obj to build hello.pyd
Hello,
I am trying to build the boost 1.31.0 sample extension hello.cpp.
I can not compile the file inheritance.cpp because the two
files containing some templates: adjacency_list.hpp and mem_fn.hpp can
not compile.
Does anyone have any solutions?
|
by: Tony Wright |
last post by:
Hi,
I am having a problem installing an msi for a web site. The error
message I am getting is:
"The specified path 'http://mipdev05/features/Fas2' is unavailable.
The Internet Information Server might not be running or the path
exists and is redirected to another machine. Please check the status
of this virtual directory in the Internet Services Manager."
|
by: Aravind |
last post by:
we have two files:
1. rc4.c (defines one function "create_pin()")
2. MyImpl.c(calling the function "create_pin()"),This implements JNI
method.
1.When I am trying to create .dll file with one file rc4.obj(rc4.c),it
is creating the .dll file without any error.
Command : ILINK32 rc4.obj
2.But,when we are trying to create .dll file with two .obj files with
following errors.
|
by: yanwan |
last post by:
I met this problem in executing a c++ project in visual studio.
Does anyone have suggestions to resolve "error lnk 2001"?
--------------------Configuration: reconstruction - Win32
Debug--------------------
Linking...
icarus_camera.obj : error LNK2001: unresolved external symbol _dgels_
icarus_leastsquares.obj : error LNK2001: unresolved external symbol _dgels_
icarus_maths.obj : error LNK2001: unresolved external symbol _dgels_...
|
by: Enos Meroka |
last post by:
Hallo,
I am a student doing my project in the university.. I have been trying
to compile the program using HP -UX aCC compiler, however I keep on
getting the following errors.
=================================================================
Error 19: "CORBAManagerMessages.h", line 4 # Unexpected 'std'.
using std::string;
^^^
| | |
by: deko |
last post by:
I use this convention frequently:
Exit_Here:
Exit Sub
HandleErr:
Select Case Err.Number
Case 3163
Resume Next
Case 3376
Resume Next
|
by: p |
last post by:
WE had a Crystal 8 WebApp using vs 2002 which we upgraded to VS2003. I also
have Crystal 9 pro on my development machine. The web app runs fine on my
dev machine but am having problems deploying. I created the websetup and
built the MSI, have the bundled version. Copied to webserver and ran
Websetup.msi. Said I had to remove old version, which I did, then reran
WebSetup.msi and keeps giving me this error. "The installer was interrupted...
|
by: hyperpau |
last post by:
Before anything else, I am not a very technical expert when it comes to VBA coding.
I learned most of what I know by the excellent Access/VBA forum from bytes.com (formerly thescripts.com).
Ergo, I will be writing this article intended for those who are in the same level, or maybe lower, of my technical knowledge.
I would be using layman's words, or maybe, my own words as how I understand them, hoping, you will understand it the same way that...
|
by: hyperpau |
last post by:
Before anything else, I am not a very technical expert when it comes to VBA coding.
I learned most of what I know by the excellent Access/VBA forum from bytes.com (formerly thescripts.com).
Ergo, I will be writing this article intended for those who are in the same level, or maybe lower, of my technical knowledge.
I would be using layman's words, or maybe, my own words as how I understand them, hoping, you will understand it the same way that...
|
by: Hystou |
last post by:
Most computers default to English, but sometimes we require a different language, especially when relocating. Forgot to request a specific language before your computer shipped? No problem! You can effortlessly switch the default language on Windows 10 without reinstalling. I'll walk you through it.
First, let's disable language synchronization. With a Microsoft account, language settings sync across devices. To prevent any complications,...
|
by: Oralloy |
last post by:
Hello folks,
I am unable to find appropriate documentation on the type promotion of bit-fields when using the generalised comparison operator "<=>".
The problem is that using the GNU compilers, it seems that the internal comparison operator "<=>" tries to promote arguments from unsigned to signed.
This is as boiled down as I can make it.
Here is my compilation command:
g++-12 -std=c++20 -Wnarrowing bit_field.cpp
Here is the code in...
| | |
by: Hystou |
last post by:
Overview:
Windows 11 and 10 have less user interface control over operating system update behaviour than previous versions of Windows. In Windows 11 and 10, there is no way to turn off the Windows Update option using the Control Panel or Settings app; it automatically checks for updates and installs any it finds, whether you like it or not. For most users, this new feature is actually very convenient. If you want to control the update process,...
|
by: tracyyun |
last post by:
Dear forum friends,
With the development of smart home technology, a variety of wireless communication protocols have appeared on the market, such as Zigbee, Z-Wave, Wi-Fi, Bluetooth, etc. Each protocol has its own unique characteristics and advantages, but as a user who is planning to build a smart home system, I am a bit confused by the choice of these technologies. I'm particularly interested in Zigbee because I've heard it does some...
|
by: isladogs |
last post by:
The next Access Europe User Group meeting will be on Wednesday 1 May 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM).
In this session, we are pleased to welcome a new presenter, Adolph Dupré who will be discussing some powerful techniques for using class modules.
He will explain when you may want to use classes instead of User Defined Types (UDT). For example, to manage the data in unbound forms.
Adolph will...
|
by: conductexam |
last post by:
I have .net C# application in which I am extracting data from word file and save it in database particularly. To store word all data as it is I am converting the whole word file firstly in HTML and then checking html paragraph one by one.
At the time of converting from word file to html my equations which are in the word document file was convert into image.
Globals.ThisAddIn.Application.ActiveDocument.Select();...
|
by: 6302768590 |
last post by:
Hai team
i want code for transfer the data from one system to another through IP address by using C# our system has to for every 5mins then we have to update the data what the data is updated we have to send another system
|
by: muto222 |
last post by:
How can i add a mobile payment intergratation into php mysql website.
| | |
by: bsmnconsultancy |
last post by:
In today's digital era, a well-designed website is crucial for businesses looking to succeed. Whether you're a small business owner or a large corporation in Toronto, having a strong online presence can significantly impact your brand's success. BSMN Consultancy, a leader in Website Development in Toronto offers valuable insights into creating effective websites that not only look great but also perform exceptionally well. In this comprehensive...
| |
