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PropertyInfo info = BusinessType.GetProperty(PropertyName);
info.SetValue(this, value, null);
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public class UserItem
     {
        public UserItem() { }
        private string _userid;
        private string _username;
        private string _pwd;
        private string _email;
        public string UserID
        {
            set { _userid = value; }
            get { return _userid; }
        }
        public string UserName
        {
            set { _username = value; }
            get { return _username; }
        }
        public string Pwd
        {
            set { _pwd = value; }
       


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