site stats

Cannot implicitly convert type ienumerable

Web擴展方法IEnumerable.Distinct不是謂詞函數。 它對IEnumerable並返回一個新的IEnumerable ,其中每個元素僅出現一次。 要修復代碼,只需執行以下操作: IEnumerable distinctNumbers = tempNumbers.Distinct(); WebApr 9, 2024 · If you have better answer, please add a comment about this, thank you! Source: Stackoverflow.com

Cannot implicitly convert type

WebApr 2, 2013 · You're returning a string and using Distinct () to get the unique characters, this returns as an IEnumerable. Tou need to convert it back into a string somehow, here is one method: rtb.SelectedText = string.Join (string.Empty, uniqueItems); Share Improve this answer Follow answered Apr 2, 2013 at 7:26 Daniel Imms 47.3k 19 150 165 Web问题在于,在语句“IEnumerable project=new project();”中,您试图用项目对象初始化IEnumerable对象。必须使用实现IEnumerable的对象初始化IEnumerable。项目不是可枚举的;没有办法反复浏览它。在本例中,您可以使用C#列表中更常用的IEnumerable之一,如 … diamondback bike shop https://iasbflc.org

c# - Cannot implicitly convert type

WebSep 15, 2024 · Cannot implicitly convert type 'type' to 'type' The compiler requires an explicit conversion. For example, you may need to cast an r-value to be the same type as an l-value. Or, you must provide conversion routines to support certain operator overloads. Conversions must occur when assigning a variable of one type to a variable of a … WebCannot implicitly convert type 'System.Linq.IQueryable' to 'System.Collections.Generic.IList' To convert IQuerable or IEnumerable to a list, you … WebMay 10, 2024 · Look at this code: List listString = listObject.OrderBy(x => x.m_Type).ToString(); The right hand side expression is calling ToString() on the result of OrderBy - which isn't useful itself, and will result in a string.. You're then trying to assign that string expression to a new variable of type List.That's not going to work. circle of flames png

Compiler Error CS0266 Microsoft Learn

Category:c# - Cannot implicitly convert type

Tags:Cannot implicitly convert type ienumerable

Cannot implicitly convert type ienumerable

Resolved: Error CS0029: Cannot implicitly convert type

WebSep 15, 2024 · This browser is no longer supported. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. http://duoduokou.com/csharp/36722085622593685708.html

Cannot implicitly convert type ienumerable

Did you know?

WebMay 2, 2013 · return newsRepository.GetMany (constraint); returns an IEnumerable, you should do: return newsRepository.GetMany (constraint).FirstOrDefault (); return the first News if it is found in newRepository, null otherwise Share Improve this answer Follow answered May 2, 2013 at 8:35 Ahmed … WebMay 20, 2015 · The quesry now instead of being dictionary is IEnumerable, but whould be Dictionary. How could it be solved? This is the error: Cannot implicitly convert type 'System.Collections.Generic.IEnumerable' to 'System.Collections.Generic.Dictionary'. An explicit conversion exists (are you missing a …

WebJan 6, 2015 · Cannot convert type 'System.Collections.Generic.IEnumerable' to 'string' I need it to be a collection, so that when I pass back out my List that Manager contains many Managers. c#; linq; ... .ToList() does not work as it gives me a Cannot implicitly convert type 'System.Collections.Generic.List' to 'string' – … WebApr 9, 2024 · If you have better answer, please add a comment about this, thank you! Source: Stackoverflow.com

WebMar 2, 2024 · 2 solutions Top Rated Most Recent Solution 1 Use var and don't create a list at all. You need to call ToList at the end of your Select in order to get back a list, instead of an IEnumerable. List eventt_grp1 = lstGroup.Select (r => … Web我需要填寫數據庫表中的下拉鍵和值。 我在做什么. Dictionary states = resultSet.Tables[0].AsEnumerable() .ToDictionary(row => row.Field(0), row => row.Field(1)); //Add the list item states.Add(0, "Select State"); //Sort the dictionary to set the "0" item at the top var sortedStates = (from entry in states orderby entry.Key …

WebIEnumerable e = (from char c in source select new { Data = c.ToString () }).Select (t = > t.Data); // or IEnumerable e = from char c in source select c.ToString (); // or IEnumerable e = source.Select (c = > c.ToString ()); Then you can call ToList ():

WebJul 19, 2024 · Cannot implicitly convert type 'PartIndex' to 'System.Collections.Generic.IEnumerable' Which means it cannot automatically cast a single object into an IEnumerable containing only that one object. You have to do it manually. Share Improve this answer Follow edited Jul 19, 2024 at 7:48 answered Jul … diamondback bikes headquartersWebLINQ to Entities does not recognize the method 'System.Collections.Generic.List`1[System.Int32] ToList[Int32](System.Collections.Generic.IEnumerable`1[System.Int32])' method, and this method cannot be translated into a store expression. 我看到linq查询的返回类型 … circle of flashing light in visionWebOct 15, 2012 · The main issue with your example that you can't implicitly convert Task return types to the base T type. You need to use the Task.Result property. Note that Task.Result will block async code, and should be used carefully. Try this instead: public List TestGetMethod () { return GetIdList ().Result; } Share. circle of flowers crosswordWebSep 25, 2024 · Obviously IEnumerable is just interface, it will not imlicitly convert to concrete implementation. – eocron Sep 25, 2024 at 17:15 Remember that IEnumerable isn't necessarily a List. It could be a Queue, Stack or any number of other things. – DavidG Sep 25, 2024 at 17:20 Add a comment 2 Answers Sorted by: 10 circle of fire pngWebIn C#, you cannot implicitly convert a non-generic IList to a generic List because they are different types. An IList represents a non-generic collection of objects that can be … diamondback bikes houstonWebFeb 13, 2013 · List of anonymous types cannot be casted to list of transactions. Looks like your Transaction class do not have AccountNumber property. Also you cannot return anonymous objects from methods. So you should create some … diamondback bikes historyWebMay 18, 2015 · Cannot implicitly convert type 'System.Collections.Generic.IEnumerable' to 'System.Collections.Generic.IEnumerable'. An explicit conversion exists (are you missing a cast?) Why is an implicit conversion required when they are the same … diamondback bikes parts and accessories