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• C# tableadapter add/update/delete

  - by ChrisMuench

  I'm using the table adapter in C# where visual studio generates the code for you. I have inserts and updates working just fine using the following code. However when trying to delete using the .update it gives me the following error. Update requires a valid DeleteCommand when passed DataRow collection with deleted rows. this.workersTableAdapter.Update(this.nursery_dbDataSet_workers.workers);

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• How to delete an object by id with entity framework

  - by Jeff

  It seems to me that I have to retrieve an object before I delete it with entity framework like below var customer = context.Customers.First(c => c.Id = 1); context.DeleteObject(customer); context.Savechanges(); So I need to hit database twice. Is there a easier way? Thanks

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• select, delete & update from multible tables using a single query in mysql

  - by mewis

  for example i use following command to find a record SELECT users.mail FROM users WHERE users.uid = %s if found an match, then i should like to delete this record, and update in the same query an another table. i can solve this with 'joins' ?

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• How to delete a native image ?

  - by Thomas

  Hi all, I am not able to delete a native image : del c:\windows\assembly\native...\mscorlib\xxxx\mscorlib.ni.dll access refused That works on Windows XP, but not in Seven. Does someone know how can I do ? Thanks

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• NHibernate : delete error

  - by MadSeb

  Hi, Model: I have a model in which one Installation can contain multiple "Computer Systems". Database: The table Installations has two columns Name and Description. The table ComputerSystems has three columsn Name, Description and InstallationId. Mappings: I have the following mapping for Installation: <?xml version="1.0" encoding="utf-8"?> <hibernate-mapping xmlns="urn:nhibernate-mapping-2.2" assembly="myProgram.Core" namespace="myProgram"> <class name="Installation" table="Installations" lazy="true"> <id name="Id" column="Id" type="int"> <generator class="native" /> </id> <property name="Name" column="Name" type="string" not-null="true" /> <property name="Description" column="Description" type="string" /> <bag name="ComputerSystems" inverse="true" lazy="true" cascade="all-delete-orphan"> <key column="InstallationId" /> <one-to-many class="ComputerSystem" /> </bag> </class> </hibernate-mapping> I have the following mapping for ComputerSystem: <?xml version="1.0" encoding="utf-8"?> <id name="Id" column="ID" type="int"> <generator class="native" /> </id> <property name="Name" column="Name" type="string" not-null="true" /> <property name="Description" column="Description" type="string" /> <many-to-one name="Installation" column="InstallationID" cascade="save-update" not-null="true" /> Classes: The Installation class is: public class Installation { public virtual String Description { get; set; } public virtual String Name { get; set; } public virtual IList<ComputerSystem> ComputerSystems { get { if (_computerSystemItems== null) { lock (this) { if (_computerSystemItems== null) _computerSystemItems= new List<ComputerSystem>(); } } return _computerSystemItems; } set { _computerSystemItems= value; } } protected IList<ComputerSystem> _computerSystemItems; public Installation() { Description = ""; Name= ""; } } The ComputerSystem class is: public class ComputerSystem { public virtual String Name { get; set; } public virtual String Description { get; set; } public virtual Installation Installation { get; set; } } The issue is that I get an error when trying to delete an installation that contains a ComputerSystem. The error is: "deleted object would be re-saved by cascade (remove deleted object from associations)". Can anyone help ? Regards, Seb

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• SVN delete file

  - by Josemalive

  Hi, My question is simple, if i delete a file in a trunk of an svn repository, could i get the file if i ask for a previous version or the file was deleted forever? Thanks. Best Regards. Jose

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• Prevent SQL Server Table operations (INSERT and DELETE) on some tables

  - by stckvrflw

  While working with some random sql queries on our databases, we may not want to insert or delete items to some of the database tables by just typing their names by mistake. So how to make them locked to the "editing", to be able to work safe. Thanks.

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• Symfony - Delete and reload all database records for each test

  - by Andree

  Hi there, From the Jobeet tutorial provided in Symfony website, I found out that I can load fixtures data each time I run unit test by using this script: Doctrine_Core::loadData(sfConfig::get('sf_test_dir').'/fixtures'); However, I want to delete and reload all records from database each time I run a unit test. Currently, I'm doing this manually (Run symfony doctrine:build --all before each test). Can someone provided me a correct way to do this?

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• Delete generated files when original is modified with Apache Ant

  - by Joepie

  I want to delete the generated files (".tmp" and ".bak") in the build directory when the source file (".xml)" is modified with Apache Ant. All files have the same name, but different extentions. I'm not able to create the fileset to do this. Please help me...

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• Transaction Isolation on select, insert, delete

  - by Bradford

  What could possibly go wrong with the following transaction if executed by concurrent users in the default isolation level of READ COMMITTED? BEGIN TRANSACTION SELECT * FROM t WHERE pid = 10 and r between 40 and 60 -- ... this returns tid = 1, 3, 5 -- ... process returned data ... DELETE FROM t WHERE tid in (1, 3, 5) INSERT INTO t (tid, pid, r) VALUES (77, 10, 35) INSERT INTO t (tid, pid, r) VALUES (78, 10, 37) INSERT INTO t (tid, pid, r) VALUES (79, 11, 39) COMMIT

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• how do I delete a word when the cursoe is in the middle of the word

  - by abubacker

  I am working in VIM , I just want to know is it possible to delete a word when the cursor is in the middle of that word ( or some where it is other than the beginning or end ) Thanks in Advance :-)

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• SQL DROP TABLE foreign key constraint

  - by Polly Hollanger

  If I want to delete all the tables in my database like this, will it take care of the foreign key constraint? If not, how do I take care of that first? GO IF OBJECT_ID('dbo.[Course]','U') IS NOT NULL DROP TABLE dbo.[Course] GO IF OBJECT_ID('dbo.[Student]','U') IS NOT NULL DROP TABLE dbo.[Student]

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• how to delete sample app from android emulator

  - by yogsma

  Somehow, I have deleted the code from for sample apps from workspace, but the apps still show up in android emulator. How do I delete them?

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• Dynamically Delete inline formsets in Django

  - by BenMills

  Is it possible to have Django automatically delete formsets that are not present in the request? So for example if I had three inline formsets represented in HTML when I loaded my edit page and I use javascript to remove two of those when the request is processes Django sees that those two forms are no longer their and deletes them.

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• Delete all characters in a multline string upto a given pattern

  - by biffabacon

  Using Python I need to delete all charaters in a multiline string up to the first occurrence of a given pattern. In Perl this can be done using regular expressions with something like: #remove all chars up to first occurrence of cat or dog or rat $pattern = 'cat|dog|rat' $pagetext =~ s/(.*)($pattern)/$2/xms; What's the best way to do it in Python?

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• Delete last line in txt file

  - by user3658127

  I wrote a foreach loop for my datagridview to write all rows to txt file. I have a problem as it adds 2 empty lines at the end, as 1 row is full of empty cells after adding/reading to datagrid view. Is there any way to omit the last line or delete it in txt? foreach (DataGridViewRow item in this.DB.Rows) { foreach (DataGridViewCell item2 in item.Cells) { if(item2.Value != null) filewrite.Write(item2.Value.ToString() + " "); } filewrite.WriteLine(""); }

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• how to delete contents from plist ?

  - by srikanth rongali

  I have a plist file. I want to delete the data from the plist. How can I do it programmatically ? My Plist have an array cells. cells is filled by dictionaries . Each dictionary is filled by string. Thank you.

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• errors when trying to delete a key in the registry

  - by NightsEVil

  i'm trying to delete a registry from the Local_Machine\Software in the registry i made a key titles "DeleteMe" as a test to try it out but i cant get it to work iv tried multiple options and they all say that the "subkey" "subkeytree" and "value" do not exist BUT IT DOES! and i hope i'm using the right terminology here to its HKEY_LOCAL_MACHINE\SOFTWARE\DeleteMe i want it and all the sub keys/values deleted.. (i hope key is the right terminology they look just like folders but when right clicked on they have the option "copy key name")

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• how to delete only empty directories from a batch file

  - by Martin

  Is there a way to delete all empty sub-directories below a given directory from a batch file? Or is it possible to recursively copy a directory, but excluding any empty directories?

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• Is there any way to hide "-" (Delete) button while editing UITableView

  - by iPhoneDev

  Hi all, On my iphone app, I have a UITableView in edit mode, where user is allowed only to reorder the rows no delete permission is given. So is there any way where I can hide "-" red button from TableView. Please let me know. Thanks

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• Delete all characters in a multline string up to a given pattern

  - by biffabacon

  Using Python I need to delete all charaters in a multiline string up to the first occurrence of a given pattern. In Perl this can be done using regular expressions with something like: #remove all chars up to first occurrence of cat or dog or rat $pattern = 'cat|dog|rat' $pagetext =~ s/(.*?)($pattern)/$2/xms; What's the best way to do it in Python?

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• How to update table with ON DELETE CASCADE without dropping and recreating

  - by pukipuki

  During development of a PostgreSQL database, I made foreign keys in every table. The problem is that I forgot to select ON DELETE CASCADE option. I need to set that options on all tables. It seems I can only drop and recreate every constraint manually. Does anybody know any shortcuts?

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• Javascript cookie delete

  - by VictorS

  If I create a cookie in Javascript document.cookie = 'unseen' how do I delete it when I navigate away from this page? This is the only cookie I am creating on the page.

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• How to delete multiple rows in a DataTable?

  - by burak ozdogan

  Hi, How can I delete specific DataRows within a loop of a DataTable rows which meet a custom condition -lets say the rows having an index of even number-? (Without using LINQ) Thanks

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• ASP.net debug hangs until I delete vbproj.user

  - by Mike Robertson

  Intermittently when I start debugging a web application VS hangs (not responding). It will start OK if I run the appllication without debugging. When it has happened once it will do it every time until I delete the vbporj.user file. This problem appeared when I moved to Win7 64bit. I am using VS2008 Pro and everything is patched up to date. I am using the internal IIS7.

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