Bug 5897 - DataSet.EnforceConstraint throws an exception due to deleted rows
Summary: DataSet.EnforceConstraint throws an exception due to deleted rows
Status: RESOLVED FIXED
Alias: None
Product: iOS
Classification: Xamarin
Component: Xamarin.iOS.dll ()
Version: 5.2
Hardware: Macintosh Mac OS
: --- normal
Target Milestone: Untriaged
Assignee: Martin Baulig
URL:
Depends on:
Blocks:
 
Reported: 2012-06-27 20:35 UTC by Dominique NORMAND
Modified: 2012-06-27 22:14 UTC (History)
2 users (show)

Tags:
Is this bug a regression?: ---
Last known good build:

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Status:
RESOLVED FIXED

Description Dominique NORMAND 2012-06-27 20:35:30 UTC
For a DataSet that has a Relation between 2 DataTables and some rows in one of those 2 DataTables have a status of deleted, the DataSet throws an exception when enforcing the constraints.

Here's a sample code to reproduce the defect

DataSet 	ds = new DataSet() ;
DataTable 	t1 = ds.Tables.Add("T1") ;
DataTable 	t2 = ds.Tables.Add("T2") ;
DataColumn 	c1 = t1.Columns.Add("C1") ;
DataColumn 	c2 = t2.Columns.Add("C2") ;

ds.Relations.Add("T12T2",c1, c2) ;
ds.EnforceConstraints = false ;
		
DataRow r1 = t1.NewRow();
DataRow r2 = t2.NewRow() ;

r1[c1] = "1" ;
r2[c2] = "1" ;

t1.Rows.Add(r1) ;
t2.Rows.Add(r2) ;

ds.EnforceConstraints = true ;
ds.AcceptChanges();

ds.EnforceConstraints = false ;
r2.Delete();
ds.EnforceConstraints = true ; // <-- This throws the exception
Comment 1 Miguel de Icaza [MSFT] 2012-06-27 22:14:06 UTC
This is the same bug as Novell Bugzilla #650402 which we fixed shortly after 5.2.12 was released, it will be contained in the next MonoTouch stable and beta releases.