public override string ToString()
{
string depStr = Dep.DepartmentName + ", " + Post.PostName + " (" + Post.PKCategory.ToString() + ")";;
if (FinancingSource != null)
depStr = Dep.DepartmentName + ", " + Post.PostName + " (" + Post.PKCategory.ToString() + "), " + FinancingSource.ToString();
if (PrikazBegin != null)
depStr += ", " + PrikazBegin.ToString();
return depStr;
}