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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." exception but the second time it does the work very well, i ll wait for your feed backs try{ In my case, since all my datatables know their PK cols I can write debug for these errors automatically for all tables. the maxlength solution is not useful for mw beacause in my table i have 3 int columns and its maxlength is -1 by default.. Results 1 to 6 of 6 Thread: [RESOLVED] Failed to enable constraints. this contact form

However, I am running into a problem that I can't seem to solve. This site aims to connect all the dots of my online activities - from tools, books blogs and twitter accounts, to upcoming conferences, engagements and user group talks. This results in the inevitable "Failed to enable constraints" error when you try to fill the DataTable. One or more rows contain values violating non-null, unique, or foreign-key constraints. _DtTrainsWd.Load(Dr) ' End If

C# Datatable Disable Constraints

When returning on an error condition the columns selected prior to a return did not match the columns selected when the stored procedure completed its logic Wednesday, November 22, 2006 11:24 One or more rows contain values violating non-null, unique, or foreign-key constraints" For me, the solution was merely to: Double-click the DataSet'sXSD Review, one by one, each column in the DS Everything works fine with me.

One or more rows contain values…." John's post helped me a lot. Problem will be fixed. Thanks Tuesday, June 27, 2006 11:35 AM by Alana # re: DataSet hell - "Failed to enable constraints. Datatable Constraints i had same prob, cleared by checking this..

Monday, November 13, 2006 3:27 AM by Fedor # re: DataSet hell - "Failed to enable constraints. Relax Or Turn Off Constraints In Your Dataset after you created your Strong Typed DataTable? Tuesday, May 12, 2009 10:14 PM 0 Sign in to vote That is total and utter BS! Solution 6 Accept Solution Reject Solution Can you try this functionPublic Function getSP2DataTable(ByVal spName As String, ByVal paramName() As String, ByVal paramValue() As String) On Error GoTo ErrorHappening Dim rtnDT As New DataTable

Question has a verified solution. Visual Studio Command Window In other words if you have a field that does not allow nulls then it must be in the SELECT field list for the function that is called. make them or make new table adapters. Unless you add them yourself, they can only be created when DataTable and DataSet schema is generated automatically, by the Data Source or the like.

Relax Or Turn Off Constraints In Your Dataset

If you are experiencing a similar issue, please ask a related question Suggested Solutions Title # Comments Views Activity How to LOAD up a .NET Framework website with data? 2 34 I konw I did not change the structure or definition of the datatables after the XSD was put up. C# Datatable Disable Constraints I had to hand-edit the .xsd to remove the constraint. Enforceconstraints = False Source Error: Line 15615: this.Adapter.SelectCommand = this.CommandCollection[0]; Line 15616: dbAdmin.ASPNET_LocalizationResourcesDataTable dataTable = new dbAdmin.ASPNET_LocalizationResourcesDataTable(); Line 15617:

EDIT: SELECT UNIQUE a.crs_e, a.crs_e || '/ ' || a.crst crs_name, b.period, b.crscls, c.crsday, c.from_lect, c.to_lect, c.to_lect - c.from_lect + 1 Subtraction, c.lect_kind, e.eval, e.batch_no, e.crsnum, e.lect_code, e.prof_course FROM rlm1course a, share|improve this answer edited Nov 7 '12 at 7:35 Alessandro Minoccheri 17k1461109 answered Nov 7 '12 at 7:18 jgarcias 311 add a comment| up vote 3 down vote This worked for share|improve this answer edited Apr 19 '12 at 14:08 Christoffer Lette 7,81643245 answered Apr 18 '12 at 15:24 Bob Sullentrup 6111 1 Welcome to SO, Bob. Then I deiced to review all the PK on the dataTable and guess what I found? Failed To Enable Constraints Oracle

Dim DtNewInstanceTable As New DataTable Cnm.InitializeConnectionProperty(cS) With Cmd_Wd .Connection = Cnn_Wd .CommandType = CommandType.StoredProcedure How would you rate this article? The attachment is currently being processed. I just opened the xsd code and manually updated the xs:maxLength value for the field that I had changed Wednesday, January 27, 2010 6:31 PM 0 Sign in to vote Hi navigate here dt.GetErrors()[0] {System.Data.DataRow} HasErrors: true ItemArray: {object[10]} RowError: "Column 'eval' does not allow DBNull.Value." –Anyname Donotcare Aug 14 '11 at 8:09 2 Awesome.

That didn't work, but I could add a watch for the dataset and type .GetErrors after it and expand the values. C# Try Catch its works for me Monday, November 17, 2008 11:44 AM 2 Sign in to vote I thought i might mention some things here.  The designer is an ok tool and the Even if you specify a "Where" clause in the SQL, a Cartesian may still occur if JOIN with secondary table for example contains the unequal join (useful when to get data

Especially, did you ever change any field size? 0 LVL 22 Overall: Level 22 ASP.NET 22 C# 7 MS SQL Server 2005 3 Message Expert Comment by:prairiedog ID: 217116052008-06-04 Basically,

I think it won't be the problem. Now just have to narrow down which one. If you've eliminated null values, then my guess is that the primary key columns is being duplicated. The content you requested has been removed.

Sunday, July 30, 2006 8:39 AM by John # re: Failed to enable constraints. and how do I disable enableConstraints? dbTempTableAdapters.ASPNET_LocalizationResourcesTableAdapter adapter = new dbTempTableAdapters.ASPNET_LocalizationResourcesTableAdapter(); dbTemp.ASPNET_LocalizationResourcesDataTable dt = adapter.GetData(); Select all Open in new window 0 LVL 22 Overall: Level 22 ASP.NET 22 Maybe there was a char/s that caused it. 0 LVL 14 Overall: Level 14 C# 11 ASP.NET 6 MS SQL Server 2005 2 Message Expert Comment by:Daniel Junges ID: 217582882008-06-11 I found the missing item, and regenerated it by opening the item, and clicking Finish.

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 My response is on my own website » Author: (forget stored information) Author Email (optional): Author URL (optional): Post: ↓ | ↑ Some HTML allowed: One or more rows contain values…." Yes, Sanjay has laid out the way to go on this. I did not return any more than one column via the sproc.

e.g. I don't think there will be an answer for this. Personally I currently don't understand the deeper sense behind this behavior as I believe that SQL should be used in a way to retrieve exactly the data I need at a dataTable.GetErrors(0).RowError or in C# it would be ?

January 30, 2013 | Seth Post a New Comment Enter your information below to add a new comment. Just regular binding data.When I run query in query builder it is executed successfully at the point when we create 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