Home > Failed To > Failed To Enable Constraints. One Or More Rows Contain Values Violating Non-null

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

Contents

TeXForm handling of derivative higher than two What would be your next deduction in this game of Minesweeper? Dec 07, 2010 01:27 AM|armadillo.mx|LINK FirasDaw Hi All I think I found the solution coz it worked for me pefectly, All what u have to do is to check the length see more linked questions… Related 0Failed to enable constraints. Why would two species of predator with the same prey cooperate? have a peek at this web-site

All-Star 66183 Points 10249 Posts MVP Re: Failed to enable constraints. MyDataset.Tables[0].Merge1Failed to enable constraints. One of the columns of that table was "nvarchar(512)" and in the middle of the project I needed to changed it to "nvarchar(MAX)".Everything worked fine until the user entered more than Remove primary keys from select lists in table adapters if they are not related to the data being returned.

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

Once they have been configured, they're strongly typed and ready to be used. The DBconstraints were OK. In my case it looks like this, Employee Data Access Layer The accessor-method, GetEmployeeInformation() is basically a method inside the TableAdapter class (tblEmployeeTableAdapter) and can be called like any other method.

dataTable.GetErrors()[0].RowError share|improve this answer edited Mar 13 '14 at 6:19 steve cook 1,76211337 answered Aug 11 '11 at 16:43 PaulStock 6,88773448 4 Thanks a lot . >? What was weird was when I executed the exact same query in different tool, repeated values nor null values weren't there. Understand that English isn't everyone's first language so be lenient of bad spelling and grammar. Failed To Enable Constraints Oracle Permalink Posted 6-Nov-12 21:27pm joaquin_gs287 Rate this: Please Sign up or sign in to vote.

What code causes the error ? C# Datatable Disable Constraints One or more rows contain values violating non-null, unique, or foreign-key constraints. Run your query in SQL Management Studio and ensure there are not duplicate records being returned. http://stackoverflow.com/questions/17842344/failed-to-enable-constraints-when-filling-datatable The column did not return value -> went and reset the SQL statement- worked just fine.

adding/remove ffields in your quries), my fix to slove this is to recreate the TA, here is what I would do: 1) rename the TA that cause the problem by adding Datatable Constraints The error says you have 2 or more records with the same primary key. One or more rows contain values violating non-null, unique, or foreign-key constraints2ASP.NET dataset getdataBy Failed to enable constraints. Then I added two methods (I showed only one above) which were returning only one column.

C# Datatable Disable Constraints

I have the same error but maybe it's a different reason. What you probably have done is this, you went to the DataSet object, right-clicked and chose to add a new query. Failed To Enable Constraints. One Or More Rows Contain Values Violating Non-null For C#, the command would be ? Relax Or Turn Off Constraints In Your Dataset I tried all the proposed solutions posted here, but no luck at all because the problem had nothing to do with fields size, table key fields definition, constraints or the EnforceConstraints

Permalink Posted 19-Jan-10 0:00am keetawat781 Updated 4-Oct-12 5:14am Kenneth Haugland128.6K v2 Rate this: Please Sign up or sign in to vote. http://itivityglobal.com/failed-to/failed-to-load-schema-with-public-id-null.html dataTable.GetErrors(0).RowError or in C# it would be ? Permalink Posted 30-Nov-09 3:00am Christian Graus662.7K Rate this: Please Sign up or sign in to vote. Solution 8 Accept Solution Reject Solution This error was also showing in my project, using Visual Studio 2010. Enforceconstraints

One or more rows contain values violating non-null, unique, or... but none of the previous solutions works for me.. Posted 30-Nov-09 2:18am archana_Kalyankar550 Updated 22-Jun-16 19:51pm keetawat781 v4 Add a Solution Comments Member 10367533 25-Apr-14 2:53am I got same error msm, i have completed my project , finally Source One final note: To get the distinct employee last names and the cost centres, I created a new TableAdapter class and everything works great.

I know the problem, but I don't know how to fix it. C# Datatable Remove Constraints And since all the fields were non-null, I got the hideous error. E.g.

I encountered a similar problem.

Thanks for the comment. I could select and preview data OK. A specific error message would save all of this effort. Visual Studio Command Window One or more rows contain values violating non-null, unique, or...

This error can also occur if there is a leftover table relationship still in the dataset.  Even if you redesign the table, you must go through and rebuild the dataset.  I've Required fields are marked *Comment You may use these HTML tags and attributes:

Jan 04, 2012 09:40 AM|djcopi|LINK I'm not sure we're talking about the same thing, but when I encountered this error I found "Me.EnforceConstraints = true" in the Private Sub InitClass() method have a peek here Tuesday, March 27, 2012 2:36 PM 0 Sign in to vote HI all If you Working With datatable Only Just Clear the Datatable before you Load it again with the Following

Permalink Posted 30-Nov-09 2:31am Christian Graus662.7K Rate this: Please Sign up or sign in to vote. asked 5 years ago viewed 5199 times active 5 months ago Visit Chat Related 0How to add a property to a Table Adapter that can be bound to?0Unable to update query From the solutions listed on this thread, I can see that most people are having to turn off some or all of the constraints, because they don't really know what or Reply oradev-ming Member 100 Points 68 Posts Re: Failed to enable constraints.

Aug 09, 2008 10:06 AM|oradev-ming|LINK I ran into the sample problem with ODS and the info at the following link seems a cue: http://forums.msdn.microsoft.com/en-US/vsreportcontrols/thread/64532304-a4e8-466e-b0ce-65ee723a84b7/ ObjectDataSource GridView non-generic method .net 2.0 c# Make a suggestion Dev centers Windows Office Visual Studio Microsoft Azure More... One or more rows contain values violating non-null, unique, or foreign-key constraints. e.g.

Do you need your password? One or more rows contain values violating non-null, unique, or foreign-key constraints." Solution:  Check all the MaxLength property of the columns in your DataTable. So, without a specific error message, I can only assume that it's a bug in Microsoft code. Warehouse and Warehouse name have unique property set to false.

© Copyright 2017 itivityglobal.com. All rights reserved.