internal static void SetAsPrimaryKey(ConstraintCollection collection, UniqueConstraint newPrimaryKey) { //not null if (null == collection) { throw new ArgumentNullException("ConstraintCollection can't be null."); } //make sure newPrimaryKey belongs to the collection parm unless it is null if (collection.IndexOf(newPrimaryKey) < 0 && (null != newPrimaryKey)) { throw new ArgumentException("newPrimaryKey must belong to collection."); } //Get existing pk UniqueConstraint uc = GetPrimaryKeyConstraint(collection); //clear existing if (null != uc) { uc._isPrimaryKey = false; } //set new key if (null != newPrimaryKey) { newPrimaryKey._isPrimaryKey = true; } }
internal static void SetAsPrimaryKey(ConstraintCollection collection, UniqueConstraint newPrimaryKey) { //not null if (null == collection) throw new ArgumentNullException("ConstraintCollection can't be null."); //make sure newPrimaryKey belongs to the collection parm unless it is null if ( collection.IndexOf(newPrimaryKey) < 0 && (null != newPrimaryKey) ) throw new ArgumentException("newPrimaryKey must belong to collection."); //Get existing pk UniqueConstraint uc = GetPrimaryKeyConstraint(collection); //clear existing if (null != uc) uc._isPrimaryKey = false; //set new key if (null != newPrimaryKey) newPrimaryKey._isPrimaryKey = true; }