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我有以下代碼:LINQ - 日期時間爲String再次
result = from i in _dbContext.Meetings
where i.UserInvitedID == CurrentUserID && i.MeetingStatus == null && i.AllowedTime.AllowedDate.Day >= date
//where i.UserInvitedID == CurrentUserID && i.MeetingStatus == null && EntityFunctions.TruncateTime(i.AllowedTime.AllowedDate.Day) >= date
select new ITW2012Mobile.Core.DataTable.MeetingModel2()
{
Name = i.UserInviter.FirstName + " " + i.UserInviter.LastName,
Company = i.UserInviter.Company,
MeetingID = i.MeetingID,
Time = EntityFunctions.AddMinutes(EntityFunctions.AddHours(i.AllowedTime.AllowedDate.Day, i.AllowedTime.Hour).Value, i.AllowedTime.Minute).Value.ToString("0:dddd, MMMM d, yyyy 0:t"),
Image = i.UserInviter.ProfileImage,
Username = i.UserInviter.aspnet_User.UserName
};
時間是字符串。當然,我得到
Exception error: {"LINQ to Entities does not recognize the method 'System.String ToString()' method, and this method cannot be translated into a store expression."}
但如何在我的情況下正確寫入?
後,我該怎麼辦呢?在選擇部分我必須設置時間,對吧? – John 2012-03-01 15:56:26
你可以這樣做:'select new {A = iA,B = iB})。AsEnumerable()。選擇(i => new MeetingModel2 {A = iAToString(...),B = iB);' – 2012-03-01 16:03:39
是非常長的腳本(我有大約相似的10個地方,不能合併成一個) – John 2012-03-01 16:09:48