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There is than no>>>>key or a wrong key declared in your database. I've used the same code (modified for different forms/tables) in three locations. This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL) Top Experts Last 24hrsThis month OriginalGriff 250 ppolymorphe 149 NF Khan Reply shiningstar Member 684 Points 274 Posts Re: .ExecuteNonQuery not performing Update? http://bookread.org/not-working/facebook-not-working-on-ipad-after-update.html

Edited by ahmadka Monday, September 24, 2012 1:36 PM Monday, September 24, 2012 1:34 PM 1 Sign in to vote you are obviously not looking into the exact same database. It might simplify all your work. No errors are generated. The ex message shows nothing (ex = nothing) and row is not inserted.

Executenonquery Update Not Working

Regards BR Dec 30 '06 #5 P: n/a b_r Thank you for suggestions. RobinS napisał(a): Try this, and see what it says about the rows updated: Dim RecordsAffected As Integer = command.ExecuteNonQuery() Debug.WriteLine("Query Affected {0} row(s).", RecordsAffected) Does it say 0? catidParam.Value = intCategoryID; cmdSql.Parameters.Add( catidParam ); // etc., in the right order (id, name, desc) } else if ( addEdit == "edit" ) { // normal stuff catidParam.Value = intCategoryID; cmdSql.Parameters.Add( Reply interorion Member 77 Points 303 Posts Re: .ExecuteNonQuery not performing Update?

  1. We are still talking about connectivity to wrong database what in my opinion is correct.
  2. Jan 1 '07 #13 P: n/a Cor Ligthert [MVP] BR, This errors comes often in these newsgroup.
  3. This is the entire method for updating one of the tables, as follows: OleDbConnection conMyData; OleDbCommand cmdSql; string strSQL; conMyData = DataManager.GetDbConnection(); // Assign input data to variables intSubCategoryID = Convert.ToInt32(dgrdSubCategories.DataKeys[
  4. The code is as follows: Dim sConnectionString As String = _ "Data Source=.\SQLEXPRESS;AttachDbFilename=|DataDirector y|\DB.mdf....
  5. Mark as answer if it helps you.
  6. If it's not there, open your immediate window and check your connection string and make sure you're really connecting to the right database.
  7. Today's Topics Dream.In.Code > Programming Help > C# ExecuteNonQuery Don't Insert rows into databaseI am getting strange problem with ExecuteNonQuery.
  8. Was This Post Helpful? 0 Back to top MultiQuote Quote + Reply #13 somwang New D.I.C Head Reputation: 0 Posts: 1 Joined: 24-September 09 Re: ExecuteNonQuery Don't Insert rows into
  9. But after you close your connection, thedata disappears, right?- yes, it is just as you wroteWhat if you then re-open the connection and onceagain read for the data in your program?
  10. Dec 31 '06 #11 P: n/a RobinS You're not using any kind of transactions, are you?

And if I want to browse the MDf file outside my project, I use SQL Management Studio. Do you have any idea what is wrong? Faq Reply With Quote August 13th, 2008,09:33 AM #6 LyonHaert View Profile View Forum Posts Visit Homepage  Arcane Scribbler Devshed Intermediate (1500 - 1999 posts)      Executenonquery Return Value When I want to verify inserted row I got the following information: A first chance exception of type 'System.InvalidCastException' occurred in Microsoft.VisualBasic.dll RobinS napisał(a): Put in a breakpoint at the Debug.WriteLine

Perhaps ditch the SqlCommand.ExecuteNonQuery and process it with SQLDataAdapter? Else, how to check data has been insrted: use Select query, and fill datatable!Mitja Marked as answer by Bob ShenMicrosoft contingent staff, Moderator Thursday, October 04, 2012 9:35 AM Monday, September I copied that from a console app that I wrote to do testing. What if you then re-open the connection and once again read for the data in your program?

There is than no key or awrong key declared in your database. RobinS napisał(a): >>Try this, and see what it says about the rows updated: Dim RecordsAffected As Integer = command.ExecuteNonQuery() Debug.WriteLine("Query Affected {0} row(s).", RecordsAffected)Does it say 0?If so, can you open BR, This errors comes often in these newsgroup. if yes, what is that?

C# Executenonquery Not Updating

Was This Post Helpful? 0 Back to top MultiQuote Quote + Reply #3 baavgai Dreaming Coder Reputation: 6752 Posts: 14,176 Joined: 16-October 07 Re: ExecuteNonQuery Don't Insert rows into database My suggestion is, place the mdf file back into your project folder, reference it the old way and inspect the mdf in your bin\Debug after you've inserted a record. (You can Executenonquery Update Not Working also, the return from ExecuteNonQuery is 1, meaning the code thinks that 1 record WAS inserted, whereas it was actually not inserted ... Executenonquery Not Updating Database Dim cnDB As New SqlConnection(sConnectionString) cnDB.Open() Dim strSQL As String strSQL = "INSERT INTO Company (CompanyName) VALUES ('four')" Dim command As SqlCommand = New SqlCommand(strSQL, cnDB) command.ExecuteNonQuery() cnDB.Close() But the row

But When i watch my database its empty table. http://bookread.org/not-working/mac-f12-key-not-working.html Code: // after assigning conMyData OleDbParameter catidParam = new OleDbParameter( "@CategoryID", 0 ); // etc. // go ahead and create cmdSql here with an empty CommandText cmdSql = conMyData.CreateCommand(); if ( Just Me napisał(a): Dubug using this construct and see what the value of ex.message tells you Try '//Your Code Catch ex as Exception '//breakpoint here End try "b_r"

What field is it?Are you filling it with your Insert statement?>Robin S.-------------------------"Cor Ligthert [MVP]" BR,>>>This errors comes often in these newsgroup. I have no problems with the Inserting of records (via a different routine) but am struggling to update existing records - I'm not even getting any errors, and I can verify I've used the same code (modified for different forms/tables) in three locations. http://bookread.org/not-working/javascript-not-working-in-firefox-but-working-in-chrome.html Thanks in advance, Todd Faq Reply With Quote January 10th, 2005,11:34 AM #2 bigpaul View Profile View Forum Posts  Contributing User Devshed Newbie (0 - 499 posts)  Join Date

If there was any problem on the SQLServer side, it would return 0. so the parameter is not bound properly. To fill datatable you do: DataTable table = new DataTable(); using(SqlConnection conn =new SqlConnection("connString")) { string query = @"SELECT * FROM TableName"; //your query using(SqlDataAdapter da = new SqlDataAdapter(query, conn")) da.Fill(table);

And I am making a Desktop Application Program in C#.

There is than no key ora wrong key declared in your database. Why are auto leases stubbornly strict about visa status and how to work around that? Else, how to check data has been insrted: use Select query, and fill datatable!Mitja Marked as answer by Bob ShenMicrosoft contingent staff, Moderator Thursday, October 04, 2012 9:35 AM Monday, September Try changing your code around a little bit, creating the parameters first and then adding them to the parameter collection inside the if branches.

The code is as follows: Dim sConnectionString As String = _ "Data Source=.\SQLEXPRESS;AttachDbFilename=|DataDirector y|\DB.mdf.... Also, you should really enclose everything here with using. more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed http://bookread.org/not-working/f1-key-not-working.html What field is it?

However I think that you have not declared any key in your database or that company is the key. (If it is no identifier, than you have to give the key It doesn't Inse (2 Pages) 1 2 → New Topic/Question Reply 16 Replies - 32714 Views - Last Post: 03 June 2010 - 09:32 AM Rate Topic: #1 naveedanjum New share|improve this answer edited Dec 11 '14 at 6:45 Sufian 3,43562460 answered Dec 11 '14 at 6:15 saroj panda 211 add a comment| up vote 2 down vote I had the Your Email This email is in use.

Does it>>find it then?>- after re-open the connection, there is no expected record>>>>Robin S.>>---------------------------->>"b_r" >news:1e***************************@news.chel lo.pl...>>>I've made some additional tests and the results are as follows:>>>- the record is Reply interorion Member 77 Points 303 Posts Re: .ExecuteNonQuery not performing Update?