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Dataset Readxml Failed To Enable Constraints

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I have 5 entries in the TableAdaptor, but when I really looked at the .XSD file, there were only 4 entries defined. Took huge time, but atleast it's working fine now. If you choose to participate, the online survey will be presented to you when you leave the Msdn Web site.Would you like to participate? One or more rows contain values…." I got this error message by changing the length of a column when testing. Source

share|improve this answer answered Jun 23 '14 at 6:31 Zolfaghari 44125 add a comment| up vote 1 down vote I also had this issue and it was resolved after modifying the One or more rows contain values violati... I can't figure out why I would get the exception if my xml validates against the schema, and the dataset was generated from the same schema. I did not realize that was problem right away, since I had made the change some time before I started using the TableAdapter that it was called by.

Failed To Enable Constraints. One Or More Rows Contain Values Violating Non-null Unique Or Foreign

you didn't actually add stars (* * Test * *) to your XML, did you? –Dima May 8 '12 at 20:20 Sorry, the ** are Stackoverflow formatting for bold Solution 2 Accept Solution Reject Solution Dont know what exactly the problem is. Subscribed!

  1. I don't know C# or related technologies, but I do know Informix database.
  2. Lesson Learned: if you're not a pure Sql Server 2000 applicatoin, stick to passing DataSet objects between layers of an n-tiered application. <> wrote in message news:... > I hope someone
  3. The joining conditions between 'e' and the rest of the tables is: AND c.crsnum = e.crsnum AND c.batch_no = e.batch_no AND d.lect_code= e.lect_code This is an unusual combination.
  4. Pingback from Failed to enable constraints.
  5. private void readFromKontaktTable() { DataSet ds = new DataSet(); ds.ReadXml("notat.xml"); listBox1.DataSource = ds.Tables["kontakt"]; listBox1.DisplayMember = "navn"; listBox1.ValueMember = "telefon"; } if you want to use the 'ds' in the class you
  6. dt.GetErrors()[0] {System.Data.DataRow} HasErrors: true ItemArray: {object[10]} RowError: "Column 'eval' does not allow DBNull.Value." So I solve my problem by replacing e.eval to ,NVL (e.eval,'') eval.and this solves my problem.
  7. As a test, I set all MaxLength values to -1.
  8. Yes, my password is: Forgot your password?
  9. the problem: returning multiple rows w/ the same primary key.
  10. The fields not listed in the query were empty, and that's what the exception is barking about.

Worked for me. 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 Reply Connexity Member 11 Points 45 Posts Re: Failed to enable constraints. Enforceconstraints Marked as answer by Allen_MSDNMicrosoft contingent staff, Moderator Wednesday, March 28, 2012 1:48 AM Tuesday, March 27, 2012 1:28 PM Reply | Quote All replies 0 Sign in to vote This

One or more rows contain values…." Joel solution suited for me. Failed To Enable Constraints Tableadapter For the other fields I provided dummy data including, for example, strings of length one. Most likely you are trying to populate a child table in a DataSet without populating a parent table first, thereby violating a foreign key constraint. Best of luck, Joel Thursday, July 20, 2006 11:57 AM by Hans # re: DataSet hell - "Failed to enable constraints.

One or more rows contain values…." Hi Roy, the 2 simplest ways to debug this are: a) Run the Sql statements in Query analyer and see what resulsets are returned. Failed To Enable Constraints Oracle I normally enable the constraints again, only after the original Fill is complete. I keep getting a constraint exception. One or more rows > contain values violating non-null, unique, or foreign-key constraints. > > I am able to create a 2 column table, add a primary key, add rows to

Failed To Enable Constraints Tableadapter

One or more rows contain values…." I had the same issue. I keep getting a constraint exception. Failed To Enable Constraints. One Or More Rows Contain Values Violating Non-null Unique Or Foreign dataTable.GetErrors(0).RowError or in C# it would be ? C# Datatable Disable Constraints One or more rows contain values…." I have this problem time to time and have yet never managed to actually solve it - but i have worked around it..

Register Privacy Policy Terms and Rules Help Popular Sections Tech Support Forums Articles Archives Connect With Us Twitter Log-in Register Contact Us Forum software by XenForo™ ©2010-2016 XenForo Ltd. http://blackplanetsupport.com/failed-to/warning-fsockopen-failed-to-enable-crypto.html share|improve this answer edited Apr 19 '12 at 14:08 Christoffer Lette 7,83643245 answered Apr 18 '12 at 15:24 Bob Sullentrup 6111 1 Welcome to SO, Bob. asked 4 years ago viewed 656 times active 4 years ago Related 144.NET - Get protocol, host, and port154.NET Configuration (app.config/web.config/settings.settings)172Invalid postback or callback argument. Guest, Feb 2, 2004, in forum: Microsoft ADO .NET Replies: 1 Views: 423 Miha Markic [MVP C#] Feb 2, 2004 Failed to enable constraints. Relax Or Turn Off Constraints In Your Dataset

PC Review Home Newsgroups > Microsoft DotNet > Microsoft ADO .NET > Home Home Quick Links Search Forums Recent Posts Forums Forums Quick Links Search Forums Recent Posts Articles Articles Quick Results 1 to 6 of 6 Thread: [RESOLVED] Failed to enable constraints. Sep 06, 2007 04:22 AM|misuk11|LINK I managed to solve it in the end. have a peek here Description: An unhandled exception occurred during the execution of the current web request.

i am loading a datatable , but while calling _DtTrainsWd.Load(Dr) i am getting above error the SQL i am using is returning some fields null values , but fulfilling my need Datatable Constraints I have validated that my xml matches the schema using xmlspy. Sep 05, 2007 10:23 AM|DarrellNorton|LINK You need to set what the primary key really is in the DataSet designer.

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One or more rows contain values violating non-null, unique, or foreign-key constraints." error Failed to enable constraints How do i solve foreign key constraint error Enable to fill values in datatable One or more rows contain values violating non-null, unique, or... Then I selected one EXTRA row in QA. Visual Studio Command Window Reply rogerperkins None 0 Points 9 Posts Re: Failed to enable constraints.

Basically another developer changed the size of the column and when i did refresh schema the XSD didnt get refreshed as well. The problem was with my binding source. One or more rows contain values…." Yes, Sanjay has laid out the way to go on this. Check This Out I cant use Dataset.EnforceConstraints = false; because im creating a datatable not a dataset (does this even turn of the problem with duplicate primary keys?) Reply DarrellNorto...

Seems like it saves it in the memory and write everything I had before x2? {\rtf1\ansi\ansicpg1252\deff0\deflang1044{\fonttbl{\f0\fnil\fcharset0 Microsoft Sans Serif;}} \viewkind4\uc1\pard\f0\fs17 sad\par } asd sad asde More About Us... Jun 12, 2012 02:58 PM|rogerperkins|LINK nomanejaz i was having a same problem and the issue was not same mentioned in the exception actually, by default one of my string column was View All Comments No new messages.

share|improve this answer answered Aug 18 '14 at 17:48 Ravi 111 add a comment| up vote 1 down vote To fix this error, i took off the troubling table adapter from The problem at hand will be solved for sure and this may very well be safe to do. Compiling multiple LaTeX files What do you call this alternating melodic pattern? Monday, September 25, 2006 12:49 PM by Yaron # re: DataSet hell - "Failed to enable constraints.

Guest I hope someone can help me with my error : An unhandled exception of type 'System.Data.ConstraintException' occurred in system.data.dll Additional information: Failed to enable constraints. If you're using a data adapter then calling Fill or FillSchema will apply non-null and unique constraints to the DataTable schema to match the database table. As you drag your database table objects into the Dataset visual item, it reads each table definition from the underlying database and copies the constraints into the Dataset object exactly as Wednesday, April 18, 2007 12:04 AM by Juan # re: DataSet hell - "Failed to enable constraints.

One or more rows contain values violating non-null, thanks jmc The averted nuclear war My notes: PrOtect your PC. If you have changed the length of a varchar field in the database and the XML contained in the XSS file has not picked it up, find the field name and One or more rows contain values violating non-null, As the error message says, the types of constraints that you might violate are non-null, unique, or foreign-key constraints.