public void Remove()
{
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);
drcol.Remove(dr1);
Assert.False(drcol.Contains(dr1.RelationName));
drcol.Add(dr1);
drcol.Remove("CustOrder");
Assert.False(drcol.Contains("CustOrder"));
drcol.Add(dr1);
DataRelation drnull = null;
drcol.Remove(drnull);
DataRelation newdr = new DataRelation("newdr"
, _dataset.Tables["Customer"].Columns["custid"]
, _dataset.Tables["Order"].Columns["custid"]);
AssertExtensions.Throws <ArgumentException>(null, () => drcol.Remove(newdr));
}
public void Remove()
{
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);
drcol.Remove(dr1);
AssertEquals("test#1", false, drcol.Contains(dr1.RelationName));
drcol.Add(dr1);
drcol.Remove("CustOrder");
AssertEquals("test#2", false, drcol.Contains("CustOrder"));
drcol.Add(dr1);
DataRelation drnull = null;
drcol.Remove(drnull);
DataRelation newdr = new DataRelation("newdr"
, _dataset.Tables["Customer"].Columns["custid"]
, _dataset.Tables["Order"].Columns["custid"]);
try
{
drcol.Remove(newdr);
Fail("Err: removed relation which not part of collection");
}
catch (Exception e)
{
AssertEquals("test#4", typeof(ArgumentException), e.GetType());
}
try
{
drcol.Remove("newdr");
Fail("Err: removed relation which not part of collection");
}
catch (ArgumentException e)
{
}
}