BoldSignEasily embed eSignatures in your .NET applications. Free sandbox with native SDK available.
clsBase loB1=new clsBase();
clsInherited1 loI1=new clsInherited1();
clsInherited2 loI2=new clsInherited2();
mCollection=new clsBaseCollection();
mCollection.Add(loB1);
mCollection.Add(loI1);
mCollection.Add(loI2);
dtg.BeginUpdate();
dtg.DataSource=mCollection;
mCollection.Remove(loB1);
dtg.EndUpdate();
dtg.Refresh();