不能用集合初始化器初始化类型，因为它没有实现ienumerable

本文关键字：初始化 因为 实现 ienumerable 集合 类型 不能 | 更新日期: 2023-09-27 18:07:51

我是一个相当初级的c#开发人员，所以请原谅我，如果这是很容易的，但我得到这个错误" invalid initializer member declarator "在这行代码下面:

foreach (DataRow p in data.Rows)
{
  DBTrack top = new DBTrack()
 /* ===> Error starts here */   {
     track.TrackID = SQLDataHelper.GetGuid(dataReader, "TrackID"); 
     track.TrackName = SQLDataHelper.GetString(dataReader, "TrackName");
     track.ArtistName = SQLDataHelper.GetString(dataReader, "ArtistName");
     track.AddedDate = SQLDataHelper.GetDateTime(dataReader, "AddedDate");
    };
 DBTrackData.Add(top);
}

有人能解释这意味着什么，我如何工作，并实现它来显示数据?

这是供您检查的完整方法:

 public static List<DBTrack> GetAllTracksFromReaderDB(IDataReader dataReader)
 {
  if (DBTrackData == null)
  {
     DBTrack track = new DBTrack();
     System.Data.DataTable data = new System.Data.DataTable();
     List<DBTrack> daa = new List<DBTrack>();
     DBTrackData = new List<DBTrack>();
     foreach (DataRow p in data.Rows)
     {
     DBTrack top = new DBTrack()
     /* ===> Error starts here */   {
     track.TrackID = SQLDataHelper.GetGuid(dataReader, "TrackID"); 
     track.TrackName = SQLDataHelper.GetString(dataReader, "TrackName");
     track.ArtistName = SQLDataHelper.GetString(dataReader, "ArtistName");
     track.AddedDate = SQLDataHelper.GetDateTime(dataReader, "AddedDate");
     };
    DBTrackData.Add(top);
    }
  }
  return DBTrackData;
 }
编辑:

public Guid TrackID { get; set; }
public string TrackName { get; set; }
public string ArtistName { get; set; }
public DateTime AddedDate { get; set; }

任何帮助将是伟大的:)谢谢

不能用集合初始化器初始化类型，因为它没有实现ienumerable

您的语法对成员初始化无效。您不能实例化top并尝试填充track属性。

应该是这样的:

DBTrack top = new DBTrack
{
   TrackID = SQLDataHelper.GetGuid(dataReader, "TrackID"),
   TrackName = SQLDataHelper.GetString(dataReader, "TrackName"),
   ArtistName = SQLDataHelper.GetString(dataReader, "ArtistName"),
   AddedDate = SQLDataHelper.GetDateTime(dataReader, "AddedDate")
};
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