internal bool CanRemove(DataTable table, bool fThrowException)
{
if (table == null)
{
if (!fThrowException)
{
return(false);
}
else
{
throw ExceptionBuilder.ArgumentNull("table");
}
}
if (table.DataSet != dataSet)
{
if (!fThrowException)
{
return(false);
}
else
{
throw ExceptionBuilder.TableNotInTheDataSet(table.TableName);
}
}
// allow subclasses to throw.
dataSet.OnRemoveTableHack(table);
if (table.ChildRelations.Count != 0 || table.ParentRelations.Count != 0)
{
if (!fThrowException)
{
return(false);
}
else
{
throw ExceptionBuilder.TableInRelation();
}
}
for (ParentForeignKeyConstraintEnumerator constraints = new ParentForeignKeyConstraintEnumerator(dataSet, table); constraints.GetNext();)
{
ForeignKeyConstraint constraint = constraints.GetForeignKeyConstraint();
if (!fThrowException)
{
return(false);
}
else
{
throw ExceptionBuilder.TableInConstraint(table, constraint);
}
}
for (ChildForeignKeyConstraintEnumerator constraints = new ChildForeignKeyConstraintEnumerator(dataSet, table); constraints.GetNext();)
{
ForeignKeyConstraint constraint = constraints.GetForeignKeyConstraint();
if (!fThrowException)
{
return(false);
}
else
{
throw ExceptionBuilder.TableInConstraint(table, constraint);
}
}
return(true);
}
