public abstract int InsertCollegePlacement(CollegeBranchCoursePlacementProperty objCollegeBranchCoursePlacementProperty, int createdBy, out string errmsg);
public abstract int UpdateCollegePlacement(CollegeBranchCoursePlacementProperty objCollegeBranchCoursePlacementProperty, int modifiedBy, out string errmsg);
public abstract int UpdateCollegePlacementByCourse( CollegeBranchCoursePlacementProperty objCollegeBranchCoursePlacementProperty, int createdBy, out string errmsg);