public void IndexOf()
{
DataRelationCollection drcol = _dataset.Relations;
DataRelation dr1 = new DataRelation("CustOrder"
, _dataset.Tables["Customer"].Columns["custid"]
, _dataset.Tables["Order"].Columns["custid"]);
DataRelation dr2 = new DataRelation("ItemOrder"
, _dataset.Tables["Item"].Columns["itemid"]
, _dataset.Tables["Order"].Columns["custid"]);
drcol.Add(dr1);
drcol.Add(dr2);
Assert.Equal(0, drcol.IndexOf(dr1));
Assert.Equal(1, drcol.IndexOf(dr2));
Assert.Equal(0, drcol.IndexOf("CustOrder"));
Assert.Equal(1, drcol.IndexOf("ItemOrder"));
Assert.Equal(0, drcol.IndexOf(drcol[0]));
Assert.Equal(1, drcol.IndexOf(drcol[1]));
Assert.Equal(-1, drcol.IndexOf("_noRelation_"));
DataRelation newdr = new DataRelation("newdr"
, _dataset.Tables["Customer"].Columns["custid"]
, _dataset.Tables["Order"].Columns["custid"]);
Assert.Equal(-1, drcol.IndexOf(newdr));
}
public void IndexOf()
{
DataRelationCollection drcol = _dataset.Relations;
DataRelation dr1 = new DataRelation("CustOrder"
, _dataset.Tables ["Customer"].Columns ["custid"]
, _dataset.Tables ["Order"].Columns ["custid"]);
DataRelation dr2 = new DataRelation("ItemOrder"
, _dataset.Tables ["Item"].Columns ["itemid"]
, _dataset.Tables ["Order"].Columns ["custid"]);
drcol.Add(dr1);
drcol.Add(dr2);
Assert.That(drcol.IndexOf(dr1), Is.EqualTo(0), "test#1");
Assert.That(drcol.IndexOf(dr2), Is.EqualTo(1), "test#2");
Assert.That(drcol.IndexOf("CustOrder"), Is.EqualTo(0), "test#3");
Assert.That(drcol.IndexOf("ItemOrder"), Is.EqualTo(1), "test#4");
Assert.That(drcol.IndexOf(drcol [0]), Is.EqualTo(0), "test#5");
Assert.That(drcol.IndexOf(drcol [1]), Is.EqualTo(1), "test#6");
Assert.That(drcol.IndexOf("_noRelation_"), Is.EqualTo(-1), "test#7");
DataRelation newdr = new DataRelation("newdr"
, _dataset.Tables ["Customer"].Columns ["custid"]
, _dataset.Tables ["Order"].Columns ["custid"]);
Assert.That(drcol.IndexOf(newdr), Is.EqualTo(-1), "test#8");
}
public void IndexOf()
{
DataRelationCollection drcol = _dataset.Relations;
DataRelation dr1 = new DataRelation("CustOrder"
, _dataset.Tables["Customer"].Columns["custid"]
, _dataset.Tables["Order"].Columns["custid"]);
DataRelation dr2 = new DataRelation("ItemOrder"
, _dataset.Tables["Item"].Columns["itemid"]
, _dataset.Tables["Order"].Columns["custid"]);
drcol.Add(dr1);
drcol.Add(dr2);
AssertEquals("test#1", 0, drcol.IndexOf(dr1));
AssertEquals("test#2", 1, drcol.IndexOf(dr2));
AssertEquals("test#3", 0, drcol.IndexOf("CustOrder"));
AssertEquals("test#4", 1, drcol.IndexOf("ItemOrder"));
AssertEquals("test#5", 0, drcol.IndexOf(drcol[0]));
AssertEquals("test#6", 1, drcol.IndexOf(drcol[1]));
AssertEquals("test#7", -1, drcol.IndexOf("_noRelation_"));
DataRelation newdr = new DataRelation("newdr"
, _dataset.Tables["Customer"].Columns["custid"]
, _dataset.Tables["Order"].Columns["custid"]);
AssertEquals("test#8", -1, drcol.IndexOf(newdr));
}
private void AddRelation(DataColumn parentChapterColumn, DataColumn chapterColumn)
{
if (this._dataSet != null)
{
string columnName = chapterColumn.ColumnName;
DataRelation relation = new DataRelation(columnName, new DataColumn[] { parentChapterColumn }, new DataColumn[] { chapterColumn }, false);
int num = 1;
string relationName = columnName;
DataRelationCollection relations = this._dataSet.Relations;
while (-1 != relations.IndexOf(relationName))
{
relationName = columnName + num;
num++;
}
relation.RelationName = relationName;
relations.Add(relation);
}
}
private void OnRelationRemoved(object sender, CollectionChangeEventArgsDerived args)
{
if (!(args.Element is DataRelationCollection))
{
return;
}
if (args.Action != CollectionChangeActionDerived.Remove)
{
return;
}
DataRelationCollection relationCollection = (DataRelationCollection)args.Element;
if (_cachedRelation != null && relationCollection != null && (relationCollection.IndexOf(_cachedRelation)) == -1)
{
DropCached(null, relationCollection);
}
}
private void AddRelation(DataColumn parentChapterColumn, DataColumn chapterColumn) // MDAC 71613
{
if (null != this.dataSet)
{
string name = /*parentChapterColumn.ColumnName + "_" +*/ chapterColumn.ColumnName; // MDAC 72815
DataRelation relation = new DataRelation(name, new DataColumn[] { parentChapterColumn }, new DataColumn[] { chapterColumn }, false); // MDAC 71878
int index = 1;
string tmp = name;
DataRelationCollection relations = this.dataSet.Relations;
while (-1 != relations.IndexOf(tmp))
{
tmp = name + index;
index++;
}
relation.RelationName = tmp;
relations.Add(relation);
}
}
