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C# Datatable Disable Constraints

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One or more rows contain values violating non-null, unique, or foreign-key constraints. My Web Site.... For the other fields I provided dummy data including, for example, strings of length one. How can I work around?0Failed to enable constraints using TableAdapters0tableadapter failed constraints1TableAdapter exception with joins Hot Network Questions Implementing realloc in C Is investing a good idea with a low amount

C# Datatable Disable Constraints

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.The column that I changed from "nvarchar(512)" to "nvarchar(MAX)" some rows contains things like:

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sadsadsaadsasd When I do GetData(), it gives me the error. Then I selected one EXTRA row in QA. I changed the second query to return the datacolumn2 but not use it and it solved the problem.

One or more rows contain values violating …”0Error in Stored Procedure: Failed to enable constraints. 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. Main query was returning datacolumn1 and datacolumn2 while my second query was returning just datacolumn1. Datatable 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.

I did not return any more than one column via the sproc. dataTable.GetErrors(0).RowError or in C# it would be ? Monday, May 16, 2011 7:47 PM 1 Sign in to vote AVOID "Select * from tablename" I had a webservice that connected to an SQL Express 2005 without any difficulties. I put this table on DataSet and when I'm trying to call it: ASPNET_LocalizationResourcesTableAdapter adapter = new ASPNET_LocalizationResourcesTableAdapter(); dbAdmin.ASPNET_LocalizationResourcesDataTable dt = adapter.GetData(); It says: Failed to enable constraints.

I am a real newbie to C# and would really appreciate if anybody could help. Visual Studio Command Window That didn't work, but I could add a watch for the dataset and type .GetErrors after it and expand the values. 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 After I included all the key columns and the columns defined as "not null" into my queries the problem disappeared completely.

Relax Or Turn Off Constraints In Your Dataset

The source table was changed by someone else. Thursday, October 13, 2011 8:50 PM 0 Sign in to vote I also had similar problem. C# Datatable Disable Constraints I've just had this problem, and that was my solution. Enforceconstraints = False Solution 1 Accept Solution Reject Solution There must be other code in there that is causing this.

One or more rows contain values violating non-null, unique, or foreign-key constraints. Shutting down the Pi safely without SSH or a monitor? I tried other solutions posted in other blogs, but no luck at all because the problem had nothing to do with fields size, table key fields definition, constraints or the EnforceConstraints Your post helped me figure it out. Failed To Enable Constraints Oracle

asked 5 years ago viewed 121959 times active 5 months ago Visit Chat Linked 0 Failed to enable constraints (in SQL Server) 1 InnerJoin Query giving “Failed to enable constraints” error 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.The column that I changed from "nvarchar(512)" to "nvarchar(MAX)" Thanks again Friday, May 04, 2007 8:09 PM 0 Sign in to vote I keep getting this error whenever I FILL (and it returns just one row) even though the data have a peek here One or more rows contain values…." Thanks Joel.

Tuesday, June 02, 2009 6:45 AM 0 Sign in to vote Hi SarahBurgess, I had a same error. C# Try Catch One or more rows contain values…." I used a stored procedure that returned a different number of columns depending on a parameter. The problem was caused by a discrepancy between the defined max size of a data column in my project's XSD and the size in the database.

One or more rows contain values…." Yes, but it still returns the error string.

I had increased the size of a VarChar(10)field to VarChar(12) in SQLExpress to allow longer text. Sometime's it can get out of whack... Anyway, some of the ID fields in the table had Default values of DBNULL even though they were not nullable. Monday, September 25, 2006 12:49 PM by Yaron # re: DataSet hell - "Failed to enable constraints.

The other way is to open the .xsd file normally, look at the table/view causing the issue and delete any keys (right click column, select delete key) that should not be The stored procedure returns early if anticapited business rules are not complied. One or more rows…" # nateirwin.net » Blog Archive » ASP.NET DataSet Error: "Failed to enable constraints. One or more rows contain values violating non-null, unique, or foreign-key constraints.