當我想到這個東西時,我正在爲我的應用程序創建對象。我知道使用DBML的手工創建類(見下面的類)可以提高我的應用程序開發的速度,但我真的很困惑,使用DBML的其他缺點和優點,比手動創建類,感謝所有願意幫助的人。 :)手動創建類與Vs. DBML
[Serializable]
public class Building
{
public Building()
{
LastEditDate = DateTime.Now.Date;
LastEditUser = GlobalData.CurrentUser.FirstName + " " + GlobalData.CurrentUser.LastName;
}
public int BuildingID { get; set; }
public string BuildingName { get; set; }
public bool IsActive { get; set; }
public DateTime LastEditDate { get; set; }
public string LastEditUser { get; set; }
public static bool CheckIfBuildingNameExists(string buildingName, int buildingID = 0)
{
return BuildingsDA.CheckIfBuildingNameExists(buildingName, buildingID);
}
public static Building CreateTwin(Building building)
{
return CloningUtility.DeepCloner.CreateDeepClone(building);
}
public static List<Building> GetBuildingList()
{
return BuildingsDA.GetBuildingList();
}
public static List<Building> GetBuildingList(bool flag)
{
return BuildingsDA.GetBuildingList(flag).ToList();
}
public static Building SelectBuildingRecord(int buildingId)
{
return BuildingsDA.SelectBuilding(buildingId);
}
public static void InsertBuildingRecord(Building building)
{
BuildingsDA.InsertBuilding(building);
}
public static void UpdateBuildingRecord(Building building)
{
BuildingsDA.UpdateBuilding(building);
}
public static void DeleteBuildingRecord(int building)
{
BuildingsDA.DeleteBuilding(building);
}
}
和我的DAL是這樣的:
internal static class BuildingsDA
{
internal static Building SelectBuilding(int buildingId)
{
SqlCommand commBuildingSelector = ConnectionManager.MainConnection.CreateCommand();
commBuildingSelector.CommandType = CommandType.StoredProcedure;
commBuildingSelector.CommandText = "Rooms.asp_RMS_Building_Select";
commBuildingSelector.Parameters.AddWithValue("BuildingID", buildingId);
SqlDataReader dreadBuilding = commBuildingSelector.ExecuteReader();
if (dreadBuilding.HasRows)
{
dreadBuilding.Read();
Building building = new Building();
building.BuildingID = int.Parse(dreadBuilding.GetValue(0).ToString());
building.BuildingName = dreadBuilding.GetValue(1).ToString();
building.IsActive = dreadBuilding.GetValue(2).ToString() == "Active";
building.LastEditDate = dreadBuilding.GetValue(3).ToString() != string.Empty ? DateTime.Parse(dreadBuilding.GetValue(3).ToString()) : DateTime.MinValue;
building.LastEditUser = dreadBuilding.GetValue(4).ToString();
dreadBuilding.Close();
return building;
}
dreadBuilding.Close();
return null;
}
....................
}
我也想知道這可能是由於OOP實現:)
Ahmm +1給你的朋友。你更喜歡使用存儲過程和舊的類創建類比DBML文件嗎? –
是的,我更喜歡創建自己的自定義類,然後將視圖和存儲過程中的數據形成它。我以這種方式工作,長期得到更好的結果。 – Ekk