542 lines
20 KiB
C#
542 lines
20 KiB
C#
// ForeignKeyConstraintTest.cs - NUnit Test Cases for [explain here]
|
|
//
|
|
// Authors:
|
|
// Franklin Wise (gracenote@earthlink.net)
|
|
// Martin Willemoes Hansen (mwh@sysrq.dk)
|
|
//
|
|
// (C) Franklin Wise
|
|
// (C) 2003 Martin Willemoes Hansen
|
|
//
|
|
|
|
//
|
|
// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining
|
|
// a copy of this software and associated documentation files (the
|
|
// "Software"), to deal in the Software without restriction, including
|
|
// without limitation the rights to use, copy, modify, merge, publish,
|
|
// distribute, sublicense, and/or sell copies of the Software, and to
|
|
// permit persons to whom the Software is furnished to do so, subject to
|
|
// the following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be
|
|
// included in all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
|
|
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
|
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
|
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
//
|
|
|
|
using NUnit.Framework;
|
|
using System;
|
|
using System.Data;
|
|
|
|
namespace MonoTests.System.Data
|
|
{
|
|
[TestFixture]
|
|
public class ForeignKeyConstraintTest : Assertion
|
|
{
|
|
private DataSet _ds;
|
|
|
|
//NOTE: fk constraints only work when the table is part of a DataSet
|
|
|
|
[SetUp]
|
|
public void GetReady()
|
|
{
|
|
_ds = new DataSet();
|
|
|
|
//Setup DataTable
|
|
DataTable table;
|
|
table = new DataTable("TestTable");
|
|
table.Columns.Add("Col1",typeof(int));
|
|
table.Columns.Add("Col2",typeof(int));
|
|
table.Columns.Add("Col3",typeof(int));
|
|
|
|
_ds.Tables.Add(table);
|
|
|
|
table = new DataTable("TestTable2");
|
|
table.Columns.Add("Col1",typeof(int));
|
|
table.Columns.Add("Col2",typeof(int));
|
|
table.Columns.Add("Col3",typeof(int));
|
|
|
|
_ds.Tables.Add(table);
|
|
|
|
}
|
|
|
|
// Tests ctor (string, DataColumn, DataColumn)
|
|
[Test]
|
|
public void Ctor1 ()
|
|
{
|
|
DataTable Table = _ds.Tables [0];
|
|
|
|
AssertEquals ("test#01", 0, Table.Constraints.Count);
|
|
Table = _ds.Tables [1];
|
|
AssertEquals ("test#02", 0, Table.Constraints.Count);
|
|
|
|
// ctor (string, DataColumn, DataColumn
|
|
ForeignKeyConstraint Constraint = new ForeignKeyConstraint ("test", _ds.Tables [0].Columns [2], _ds.Tables [1].Columns [0]);
|
|
Table = _ds.Tables [1];
|
|
Table.Constraints.Add (Constraint);
|
|
|
|
AssertEquals ("test#03", 1, Table.Constraints.Count);
|
|
AssertEquals ("test#04", "test", Table.Constraints [0].ConstraintName);
|
|
AssertEquals ("test#05", typeof (ForeignKeyConstraint), Table.Constraints [0].GetType ());
|
|
|
|
Table = _ds.Tables [0];
|
|
AssertEquals ("test#06", 1, Table.Constraints.Count);
|
|
AssertEquals ("test#07", "Constraint1", Table.Constraints [0].ConstraintName);
|
|
AssertEquals ("test#08", typeof (UniqueConstraint), Table.Constraints [0].GetType ());
|
|
}
|
|
|
|
// Tests ctor (DataColumn, DataColumn)
|
|
[Test]
|
|
public void Ctor2 ()
|
|
{
|
|
DataTable Table = _ds.Tables [0];
|
|
|
|
AssertEquals ("test#01", 0, Table.Constraints.Count);
|
|
Table = _ds.Tables [1];
|
|
AssertEquals ("test#02", 0, Table.Constraints.Count);
|
|
|
|
// ctor (string, DataColumn, DataColumn
|
|
ForeignKeyConstraint Constraint = new ForeignKeyConstraint (_ds.Tables [0].Columns [2], _ds.Tables [1].Columns [0]);
|
|
Table = _ds.Tables [1];
|
|
Table.Constraints.Add (Constraint);
|
|
|
|
AssertEquals ("test#03", 1, Table.Constraints.Count);
|
|
AssertEquals ("test#04", "Constraint1", Table.Constraints [0].ConstraintName);
|
|
AssertEquals ("test#05", typeof (ForeignKeyConstraint), Table.Constraints [0].GetType ());
|
|
|
|
Table = _ds.Tables [0];
|
|
AssertEquals ("test#06", 1, Table.Constraints.Count);
|
|
AssertEquals ("test#07", "Constraint1", Table.Constraints [0].ConstraintName);
|
|
AssertEquals ("test#08", typeof (UniqueConstraint), Table.Constraints [0].GetType ());
|
|
}
|
|
|
|
// Test ctor (DataColumn [], DataColumn [])
|
|
[Test]
|
|
public void Ctor3 ()
|
|
{
|
|
DataTable Table = _ds.Tables [0];
|
|
|
|
AssertEquals ("test#01", 0, Table.Constraints.Count);
|
|
Table = _ds.Tables [1];
|
|
AssertEquals ("test#02", 0, Table.Constraints.Count);
|
|
|
|
DataColumn [] Cols1 = new DataColumn [2];
|
|
Cols1 [0] = _ds.Tables [0].Columns [1];
|
|
Cols1 [1] = _ds.Tables [0].Columns [2];
|
|
|
|
DataColumn [] Cols2 = new DataColumn [2];
|
|
Cols2 [0] = _ds.Tables [1].Columns [0];
|
|
Cols2 [1] = _ds.Tables [1].Columns [1];
|
|
|
|
ForeignKeyConstraint Constraint = new ForeignKeyConstraint (Cols1, Cols2);
|
|
Table = _ds.Tables [1];
|
|
Table.Constraints.Add (Constraint);
|
|
|
|
AssertEquals ("test#03", 1, Table.Constraints.Count);
|
|
AssertEquals ("test#04", "Constraint1", Table.Constraints [0].ConstraintName);
|
|
AssertEquals ("test#05", typeof (ForeignKeyConstraint), Table.Constraints [0].GetType ());
|
|
|
|
Table = _ds.Tables [0];
|
|
AssertEquals ("test#06", 1, Table.Constraints.Count);
|
|
AssertEquals ("test#07", "Constraint1", Table.Constraints [0].ConstraintName);
|
|
AssertEquals ("test#08", typeof (UniqueConstraint), Table.Constraints [0].GetType ());
|
|
|
|
}
|
|
|
|
// Tests ctor (string, DataColumn [], DataColumn [])
|
|
[Test]
|
|
public void Ctor4 ()
|
|
{
|
|
DataTable Table = _ds.Tables [0];
|
|
|
|
AssertEquals ("test#01", 0, Table.Constraints.Count);
|
|
Table = _ds.Tables [1];
|
|
AssertEquals ("test#02", 0, Table.Constraints.Count);
|
|
|
|
DataColumn [] Cols1 = new DataColumn [2];
|
|
Cols1 [0] = _ds.Tables [0].Columns [1];
|
|
Cols1 [1] = _ds.Tables [0].Columns [2];
|
|
|
|
DataColumn [] Cols2 = new DataColumn [2];
|
|
Cols2 [0] = _ds.Tables [1].Columns [0];
|
|
Cols2 [1] = _ds.Tables [1].Columns [1];
|
|
|
|
ForeignKeyConstraint Constraint = new ForeignKeyConstraint ("Test", Cols1, Cols2);
|
|
Table = _ds.Tables [1];
|
|
Table.Constraints.Add (Constraint);
|
|
|
|
AssertEquals ("test#03", 1, Table.Constraints.Count);
|
|
AssertEquals ("test#04", "Test", Table.Constraints [0].ConstraintName);
|
|
AssertEquals ("test#05", typeof (ForeignKeyConstraint), Table.Constraints [0].GetType ());
|
|
|
|
Table = _ds.Tables [0];
|
|
AssertEquals ("test#06", 1, Table.Constraints.Count);
|
|
AssertEquals ("test#07", "Constraint1", Table.Constraints [0].ConstraintName);
|
|
AssertEquals ("test#08", typeof (UniqueConstraint), Table.Constraints [0].GetType ());
|
|
}
|
|
|
|
[Test]
|
|
public void TestCtor5()
|
|
{
|
|
DataTable table1 = new DataTable ("Table1");
|
|
DataTable table2 = new DataTable ("Table2");
|
|
DataSet dataSet = new DataSet();
|
|
dataSet.Tables.Add (table1);
|
|
dataSet.Tables.Add (table2);
|
|
DataColumn column1 = new DataColumn ("col1");
|
|
DataColumn column2 = new DataColumn ("col2");
|
|
DataColumn column3 = new DataColumn ("col3");
|
|
table1.Columns.Add (column1);
|
|
table1.Columns.Add (column2);
|
|
table1.Columns.Add (column3);
|
|
DataColumn column4 = new DataColumn ("col4");
|
|
DataColumn column5 = new DataColumn ("col5");
|
|
DataColumn column6 = new DataColumn ("col6");
|
|
table2.Columns.Add (column4);
|
|
table2.Columns.Add (column5);
|
|
table2.Columns.Add (column6);
|
|
string []parentColumnNames = {"col1", "col2", "col3"};
|
|
string []childColumnNames = {"col4", "col5", "col6"};
|
|
string parentTableName = "table1";
|
|
|
|
// Create a ForeingKeyConstraint Object using the constructor
|
|
// ForeignKeyConstraint (string, string, string[], string[], AcceptRejectRule, Rule, Rule);
|
|
ForeignKeyConstraint fkc = new ForeignKeyConstraint ("hello world", parentTableName, parentColumnNames, childColumnNames, AcceptRejectRule.Cascade, Rule.Cascade, Rule.Cascade); // Assert that the Constraint object does not belong to any table yet
|
|
try {
|
|
DataTable tmp = fkc.Table;
|
|
Fail ("When table is null, get_Table causes an InvalidOperationException.");
|
|
} catch (InvalidOperationException) {
|
|
}
|
|
|
|
Constraint []constraints = new Constraint[3];
|
|
constraints [0] = new UniqueConstraint (column1);
|
|
constraints [1] = new UniqueConstraint (column2);
|
|
constraints [2] = fkc;
|
|
|
|
// Try to add the constraint to ConstraintCollection of the DataTable through Add()
|
|
try{
|
|
table2.Constraints.Add (fkc);
|
|
throw new ApplicationException ("An Exception was expected");
|
|
}
|
|
// LAMESPEC : spec says InvalidConstraintException but throws this
|
|
catch (ArgumentException) {
|
|
}
|
|
|
|
#if false // FIXME: Here this test crashes under MS.NET.
|
|
// OK - So AddRange() is the only way!
|
|
table2.Constraints.AddRange (constraints);
|
|
// After AddRange(), Check the properties of ForeignKeyConstraint object
|
|
Assertion.Assert("#A04", fkc.RelatedColumns [0].ColumnName.Equals ("col1")); Assertion.Assert("#A05", fkc.RelatedColumns [1].ColumnName.Equals ("col2")); Assertion.Assert("#A06", fkc.RelatedColumns [2].ColumnName.Equals ("col3")); Assertion.Assert("#A07", fkc.Columns [0].ColumnName.Equals ("col4"));
|
|
Assertion.Assert("#A08", fkc.Columns [1].ColumnName.Equals ("col5"));
|
|
Assertion.Assert("#A09", fkc.Columns [2].ColumnName.Equals ("col6"));
|
|
#endif
|
|
// Try to add columns with names which do not exist in the table
|
|
parentColumnNames [2] = "noColumn";
|
|
ForeignKeyConstraint foreignKeyConstraint = new ForeignKeyConstraint ("hello world", parentTableName, parentColumnNames, childColumnNames, AcceptRejectRule.Cascade, Rule.Cascade, Rule.Cascade);
|
|
constraints [0] = new UniqueConstraint (column1);
|
|
constraints [1] = new UniqueConstraint (column2);
|
|
constraints [2] = foreignKeyConstraint;
|
|
try{
|
|
table2.Constraints.AddRange (constraints);
|
|
throw new ApplicationException ("An Exception was expected");
|
|
}
|
|
catch (ArgumentException e) {
|
|
}
|
|
catch (InvalidConstraintException e){ // Could not test on ms.net, as ms.net does not reach here so far.
|
|
}
|
|
|
|
#if false // FIXME: Here this test crashes under MS.NET.
|
|
// Check whether the child table really contains the foreign key constraint named "hello world"
|
|
Assertion.Assert("#A11 ", table2.Constraints.Contains ("hello world"));
|
|
#endif
|
|
}
|
|
|
|
|
|
|
|
// If Childs and parents are in same table
|
|
[Test]
|
|
public void KeyBetweenColumns ()
|
|
{
|
|
DataTable Table = _ds.Tables [0];
|
|
|
|
AssertEquals ("test#01", 0, Table.Constraints.Count);
|
|
Table = _ds.Tables [1];
|
|
AssertEquals ("test#02", 0, Table.Constraints.Count);
|
|
|
|
|
|
ForeignKeyConstraint Constraint = new ForeignKeyConstraint ("Test", _ds.Tables [0].Columns [0], _ds.Tables [0].Columns [2]);
|
|
Table = _ds.Tables [0];
|
|
Table.Constraints.Add (Constraint);
|
|
|
|
AssertEquals ("test#03", 2, Table.Constraints.Count);
|
|
AssertEquals ("test#04", "Constraint1", Table.Constraints [0].ConstraintName);
|
|
AssertEquals ("test#05", typeof (UniqueConstraint), Table.Constraints [0].GetType ());
|
|
AssertEquals ("test#04", "Test", Table.Constraints [1].ConstraintName);
|
|
AssertEquals ("test#05", typeof (ForeignKeyConstraint), Table.Constraints [1].GetType ());
|
|
|
|
}
|
|
|
|
[Test]
|
|
public void CtorExceptions ()
|
|
{
|
|
ForeignKeyConstraint fkc;
|
|
|
|
DataTable localTable = new DataTable();
|
|
localTable.Columns.Add("Col1",typeof(int));
|
|
localTable.Columns.Add("Col2",typeof(bool));
|
|
|
|
//Null
|
|
try
|
|
{
|
|
fkc = new ForeignKeyConstraint((DataColumn)null,(DataColumn)null);
|
|
Fail("Failed to throw ArgumentNullException.");
|
|
}
|
|
catch (NullReferenceException) {}
|
|
catch (AssertionException exc) {throw exc;}
|
|
catch (Exception exc)
|
|
{
|
|
Fail("A1: Wrong Exception type. " + exc.ToString());
|
|
}
|
|
|
|
//zero length collection
|
|
try
|
|
{
|
|
fkc = new ForeignKeyConstraint(new DataColumn[]{},new DataColumn[]{});
|
|
Fail("B1: Failed to throw ArgumentException.");
|
|
}
|
|
catch (ArgumentException) {}
|
|
catch (AssertionException exc) {throw exc;}
|
|
catch (Exception exc)
|
|
{
|
|
Fail("A2: Wrong Exception type. " + exc.ToString());
|
|
}
|
|
|
|
//different datasets
|
|
try
|
|
{
|
|
fkc = new ForeignKeyConstraint(_ds.Tables[0].Columns[0], localTable.Columns[0]);
|
|
Fail("Failed to throw InvalidOperationException.");
|
|
}
|
|
catch (InvalidOperationException) {}
|
|
catch (AssertionException exc) {throw exc;}
|
|
catch (Exception exc)
|
|
{
|
|
Fail("A3: Wrong Exception type. " + exc.ToString());
|
|
}
|
|
|
|
try
|
|
{
|
|
fkc = new ForeignKeyConstraint(_ds.Tables[0].Columns[0], localTable.Columns[1]);
|
|
Fail("Failed to throw InvalidConstraintException.");
|
|
}
|
|
// tables in different datasets
|
|
catch (InvalidOperationException) {}
|
|
|
|
// Cannot create a Key from Columns that belong to
|
|
// different tables.
|
|
try
|
|
{
|
|
fkc = new ForeignKeyConstraint(new DataColumn [] {_ds.Tables[0].Columns[0], _ds.Tables[0].Columns[1]}, new DataColumn [] {localTable.Columns[1], _ds.Tables[1].Columns [0]});
|
|
Fail("Failed to throw InvalidOperationException.");
|
|
}
|
|
catch (InvalidConstraintException) {}
|
|
catch (AssertionException exc) {throw exc;}
|
|
}
|
|
|
|
[Test]
|
|
public void CtorExceptions2 ()
|
|
{
|
|
DataColumn col = new DataColumn("MyCol1",typeof(int));
|
|
|
|
ForeignKeyConstraint fkc;
|
|
|
|
//Columns must belong to a Table
|
|
try
|
|
{
|
|
fkc = new ForeignKeyConstraint(col, _ds.Tables[0].Columns[0]);
|
|
Fail("FTT1: Failed to throw ArgumentException.");
|
|
}
|
|
catch (ArgumentException) {}
|
|
catch (AssertionException exc) {throw exc;}
|
|
// catch (Exception exc)
|
|
// {
|
|
// Fail("WET1: Wrong Exception type. " + exc.ToString());
|
|
// }
|
|
|
|
//Columns must belong to the same table
|
|
//InvalidConstraintException
|
|
|
|
DataColumn [] difTable = new DataColumn [] {_ds.Tables[0].Columns[2],
|
|
_ds.Tables[1].Columns[0]};
|
|
try
|
|
{
|
|
fkc = new ForeignKeyConstraint(difTable,new DataColumn[] {
|
|
_ds.Tables[0].Columns[1],
|
|
_ds.Tables[0].Columns[0]});
|
|
|
|
Fail("FTT2: Failed to throw InvalidConstraintException.");
|
|
}
|
|
catch (InvalidConstraintException) {}
|
|
catch (AssertionException exc) {throw exc;}
|
|
catch (Exception exc)
|
|
{
|
|
Fail("WET2: Wrong Exception type. " + exc.ToString());
|
|
}
|
|
|
|
|
|
//parent columns and child columns should be the same length
|
|
//ArgumentException
|
|
DataColumn [] twoCol =
|
|
new DataColumn [] {_ds.Tables[0].Columns[0],_ds.Tables[0].Columns[1]};
|
|
|
|
|
|
try
|
|
{
|
|
fkc = new ForeignKeyConstraint(twoCol,
|
|
new DataColumn[] { _ds.Tables[0].Columns[0]});
|
|
|
|
Fail("FTT3: Failed to throw ArgumentException.");
|
|
}
|
|
catch (ArgumentException) {}
|
|
catch (AssertionException exc) {throw exc;}
|
|
catch (Exception exc)
|
|
{
|
|
Fail("WET3: Wrong Exception type. " + exc.ToString());
|
|
}
|
|
|
|
//InvalidOperation: Parent and child are the same column.
|
|
try
|
|
{
|
|
fkc = new ForeignKeyConstraint( _ds.Tables[0].Columns[0],
|
|
_ds.Tables[0].Columns[0] );
|
|
|
|
Fail("FTT4: Failed to throw InvalidOperationException.");
|
|
}
|
|
catch (InvalidOperationException) {}
|
|
catch (AssertionException exc) {throw exc;}
|
|
catch (Exception exc)
|
|
{
|
|
Fail("WET4: Wrong Exception type. " + exc.ToString());
|
|
}
|
|
|
|
}
|
|
|
|
[Test]
|
|
public void EqualsAndHashCode()
|
|
{
|
|
DataTable tbl = _ds.Tables[0];
|
|
DataTable tbl2 = _ds.Tables[1];
|
|
|
|
ForeignKeyConstraint fkc = new ForeignKeyConstraint(
|
|
new DataColumn[] {tbl.Columns[0], tbl.Columns[1]} ,
|
|
new DataColumn[] {tbl2.Columns[0], tbl2.Columns[1]} );
|
|
|
|
ForeignKeyConstraint fkc2 = new ForeignKeyConstraint(
|
|
new DataColumn[] {tbl.Columns[0], tbl.Columns[1]} ,
|
|
new DataColumn[] {tbl2.Columns[0], tbl2.Columns[1]} );
|
|
|
|
ForeignKeyConstraint fkcDiff =
|
|
new ForeignKeyConstraint( tbl.Columns[1], tbl.Columns[2]);
|
|
|
|
Assert( "Equals failed. 1" , fkc.Equals(fkc2));
|
|
Assert( "Equals failed. 2" , fkc2.Equals(fkc));
|
|
Assert( "Equals failed. 3" , fkc.Equals(fkc));
|
|
|
|
Assert( "Equals failed diff. 1" , fkc.Equals(fkcDiff) == false);
|
|
|
|
Assert( "Hash Code Failed. 1", fkc.GetHashCode() == fkc2.GetHashCode() );
|
|
Assert( "Hash Code Failed. 2", fkc.GetHashCode() != fkcDiff.GetHashCode() );
|
|
|
|
}
|
|
|
|
[Test]
|
|
[ExpectedException (typeof (ArgumentException))]
|
|
public void ViolationTest ()
|
|
{
|
|
DataTable parent = _ds.Tables [0];
|
|
DataTable child = _ds.Tables [1];
|
|
|
|
parent.Rows.Add (new object [] {1, 1, 1});
|
|
child.Rows.Add (new object [] {2, 2, 2});
|
|
|
|
try {
|
|
child.Constraints.Add (new ForeignKeyConstraint ( parent.Columns [0],
|
|
child.Columns [0])
|
|
);
|
|
} finally {
|
|
// clear the rows for further testing
|
|
_ds.Clear ();
|
|
}
|
|
}
|
|
|
|
[Test]
|
|
public void NoViolationTest ()
|
|
{
|
|
DataTable parent = _ds.Tables [0];
|
|
DataTable child = _ds.Tables [1];
|
|
|
|
parent.Rows.Add (new object [] {1, 1, 1});
|
|
child.Rows.Add (new object [] {2, 2, 2});
|
|
|
|
try {
|
|
_ds.EnforceConstraints = false;
|
|
child.Constraints.Add (new ForeignKeyConstraint ( parent.Columns [0],
|
|
child.Columns [0])
|
|
);
|
|
} finally {
|
|
// clear the rows for further testing
|
|
_ds.Clear ();
|
|
_ds.EnforceConstraints = true;
|
|
}
|
|
}
|
|
|
|
[Test]
|
|
public void ModifyParentKeyBeforeAcceptChanges ()
|
|
{
|
|
DataSet ds1 = new DataSet();
|
|
DataTable t1= ds1.Tables.Add ("t1");
|
|
DataTable t2= ds1.Tables.Add ("t2");
|
|
t1.Columns.Add ("col1", typeof (int));
|
|
t2.Columns.Add ("col2", typeof (int));
|
|
ds1.Relations.Add ("fk", t1.Columns [0], t2.Columns [0]);
|
|
|
|
t1.Rows.Add (new object[] {10});
|
|
t2.Rows.Add (new object [] {10});
|
|
|
|
t1.Rows [0][0]=20;
|
|
Assert("#1", (int)t2.Rows [0][0] == 20);
|
|
}
|
|
|
|
[Test]
|
|
// https://bugzilla.novell.com/show_bug.cgi?id=650402
|
|
public void ForeignKey_650402 ()
|
|
{
|
|
DataSet data = new DataSet ();
|
|
DataTable parent = new DataTable ("parent");
|
|
DataColumn pk = parent.Columns.Add ("PK");
|
|
DataTable child = new DataTable ("child");
|
|
DataColumn fk = child.Columns.Add ("FK");
|
|
|
|
data.Tables.Add (parent);
|
|
data.Tables.Add (child);
|
|
data.Relations.Add (pk, fk);
|
|
|
|
parent.Rows.Add ("value");
|
|
child.Rows.Add ("value");
|
|
data.AcceptChanges ();
|
|
child.Rows[0].Delete ();
|
|
parent.Rows[0][0] = "value2";
|
|
|
|
data.EnforceConstraints = false;
|
|
data.EnforceConstraints = true;
|
|
}
|
|
}
|
|
}
|