enumeration yielded no results|yield return break : Pilipinas The problem is that Linq uses deferred execution. Therefore, you query doesn't really execute until you enumerate mediaChannels, which is after you context is disposed. If you don't want to use deferred execution, then add a .ToList() to the end of . Page 1 of 2 - Name 10 fruities from the 1980s - posted in Real Fruit Machines: Well, for a bit of fun, lets see whos in the know when it comes to machines a little older than the usual. Simple. Just name 10 Fruit Machines from the 1980s. It would be more interesting if the 10 are machines you actually played rather than going through .
enumeration yielded no results,The problem is that Linq uses deferred execution. Therefore, you query doesn't really execute until you enumerate mediaChannels, which is after you context is disposed. If you don't want to use deferred execution, then add a .ToList() to the end of . You can debug an integration test and then work your way towards the end result - the SQL you are after - written in Entity Framework Linq to Entities code. First .enumeration yielded no results yield return break yield return 1; yield return 2; yield return 3; // We could put "yield break;" here but there's no need, the end of the function signals the same thing. } When you call .
What role does it play? How does the C# yield keyword function? Don’t worry, we’ll answer all these questions in this section. What is Yield in C# and Its Purpose? In . c# - When using Query Syntax in C# "Enumeration yielded no results". How to retrieve output. 问问题 2010-05-26T05:41:27.233. 8676 次. 1. I have created this . Antão Almada. Enumeration yielded no results?? Archived Forums 1-20 > ADO.NET, Entity Framework, LINQ to SQL, Nhibernate. . var result = from e in XXXX where . Enumeration yielded no results. How can a query return rows but no results? Logically to me, if ViewResult is empty, HasRows should be false. What could . 如何 case 使用一个或多个 xml 文件的两条信息填充对象列表？ 我尝试过的每种方法都产生了零结果，并且检查变量给出了 "Enumeration yielded no results" . "Enumeration yielded no results" and inner repeater has empty values. protected void parentRepeater_ItemDataBound(object sender, RepeaterItemEventArgs .
The query executes correctly on SQL, and even changing the query to get data from other tables give the same results. Please note that I have several other functions in a separate class executing the similar code to get data from these same database tables and they work without any issue. 2. I have the following statement which when i run it i get. Enumeration yielded no results. var striko4goodproduct = from myrow in GoodProduct.AsEnumerable() where myrow.Field("MachineID") == "Striko 4". group myrow by myrow.Field("MachineID") == "Striko 4" into g. select new. 我尝试过的每种方法都产生了零结果，并且检查变量给出了"Enumeration yielded no results"。在下面的代码示例中，我已经包含（注释掉）我尝试用来实现此结果的各种方法。 如果已经有答案，请指出我的方向。我也将不胜感激任何随附的解释。 以下是代 .
上の質問に返事がないのでいろいろ不明ですが、エラーメッセージ「System.OverflowException: 'Conversion overflows.'」からすると、. SQL Server の decimal 型. と、.NET の Decimal 型. とでは扱える値の大きさが異なる (SQL Server の方が大きい) ことが原因だと思います。. //最後 .
Enumeration yielded no results in c#. Hi. I have one simple query. I want to retrieve all distinct PO's from table but when I execute a query it give recordsaffected -1. below is my query. connDB.Open(); SqlDataReader reader = null; string selectcmd = " SELECT distinct PO as PurchaseOrder FROM ABC"; SqlCommand cmd = new .
In intQty I am getting 0 but it should be 10 or 12 as you can see in the QTY column in the grid (Enumeration yielded no results). Where am wrong? vb.net; linq; Share. Improve this question. Follow edited Jun 13, 2014 at 7:14. Abbas. 14.3k 6 6 gold badges 41 41 silver badges 73 73 bronze badges.
Enumeration yielded no results. although when I run the procedure it returns a one customer !! c#; entity-framework; visual-studio-2015; entity-framework-6; dbcontext; Share. Improve this question. Follow edited Feb 13, 2016 at 17:59. Lemonseed. 1,704 1 1 gold badge 17 17 silver badges 30 30 bronze badges.Enumeration yielded no results. although when I run the procedure it returns a one customer !! c#; entity-framework; visual-studio-2015; entity-framework-6; dbcontext; Share. Improve this question. Follow edited Feb 13, 2016 at 17:59. Lemonseed. 1,704 1 1 gold badge 17 17 silver badges 30 30 bronze badges.
1. I have trouble with following linq query: It does not return actual result. Instead, it just shows Enumeration yielded no results. Only after placing the OR operation, i got this message actually. It does return the actual result, which is nothing, nothing matches. Whatever it is that examines the result is what produces "Enumeration yielded . 48. I just want to know what is the best way to check if an IQueryable result has no values. var db = new DataContext(); var list= from data in db.Table select data; return list; //do something --- in here even if the result set has no values it will. // go to this line. It just say `enumeration yielded no results`.
I have following C# code to read values from XML file. But when I expand the result, it says “Enumeration yielded no results” Questions. What is the issue here? How to fix this? How to read the value of "family" element; Note: I have seen similar questions in stack overflow and other forums and tried the recommendations already. C#
LINQ from DataTable Enumeration yielded no results. 0. Enumeration yielded no results. 3. LINQ: "Enumeration yielded no results" 1. Returns “Enumeration yielded no results” in LINQ statement. Hot Network Questions Is there a formalization of the butterfly effect?
enumeration yielded no results我正在使用具有 2 个参数的非常简单的存储过程。. 然后它会填满一个 DataReader，但是当我运行代码时，DataReader 会抛出一条错误消息“Enumeration yielded no results”，尽管它已通过 reader.Read () 行。. 我的函数将电子邮件作为参数传递。. 然后建立连接: SqlConnection con .
1. The enumeration yielding no result is the runtime telling you that your query did not find any matching results for your parameters. There are two ways to debug this: 1) Spin up SQL Profiler and start a trace, check to see the query getting generated and run that with query analyzer to understand your query better. 0. i use SqlDataReader to read data from query result,i run the debugger and the query is working. hasrows is true, but it shows Enumeration yielded no results. this is my code : SqlCommand selectLastData = new SqlCommand("SELECT TOP 1 * FROM tbl_transaksi ORDER BY id DESC", conn); using (SqlDataReader rdr = .
Also, reader[int] is zero-based. So your data (if you get any) will be in reader[0].Btw if you get to the Console.WriteLine line, that means that there is at least 1 row of results. And finally, calling reader.Close() is not necessary (and would in fact break it if there was more than 1 line returned). The using takes care of that. Maybe you wanted to .yield return breakEvery method I've tried has produced zero results and checking the variable gives "Enumeration yielded no results". In my code example below, I have included (commented out) various methods I've tried to use to achieve this results. If there is already an answer out there for this, please point me in that direction. I would appreciate any .
I execute a Stored Procedure via SqlCommand and the SqlDatareader object that is returned doesn't give me the results, however, I can see them if a explore the object in the debugger. here's an image of what I'm talking about: In the Result View row it says " Enumeration yielded no results " but in the path: base -> base -> ResultView -> [0 .
Copy code fromhttps://howtodomssqlcsharpexcelaccess.blogspot.com/2018/11/mvc-entity .
enumeration yielded no results|yield return break
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