get value from ienumerable
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Here, what I want to make is a property and method that show values of any collection or list of any class type. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, The future of collective knowledge sharing. 586), Starting the Prompt Design Site: A New Home in our Stack Exchange Neighborhood, Testing native, sponsored banner ads on Stack Overflow (starting July 6), Temporary policy: Generative AI (e.g., ChatGPT) is banned, Linq: join the results in a IEnumerable to a single string, C# Linq - Cannot implicitly convert IEnumerable to List, LINQ Convert IEnumerable to List, Linq cannot convert from 'System.Collections.Generic.IEnumerable' to 'string[]', Returning IEnumerable from Linq query, Linq Query : Cannot convert type IEnumerable to string changing .ToString() to (string), Convert from 'string' to 'System.Collections.Generic.IEnumerable, Cannot convert from 'System.Collections.Generic.IEnumerable to System.Collections.Generic.IEnumerable, How to convert List to IEnumerator. How do I distinguish between chords going 'up' and chords going 'down' when writing a harmony? Does "discord" mean disagreement as the name of an application for online conversation? How do they work? By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. Do large language models know what they are talking about? Wouldn't recommend it. Simplest solution, I was about to answer that but you'll need to add .ToArray() on _values. Why are the perceived safety of some country and the actual safety not strongly correlated? The only requirement is to have an IEnumerable with above key value pairs :). Is the difference between additive groups and multiplicative groups just a matter of notation? ); How can I pass a string such as its value is equal to: "astring".ToString ()+1.ToString ()+Customer.ToString () Or better, with comma between each value. c# - IEnumerable<string> to string - Stack Overflow Do large language models know what they are talking about? By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. If your always going to work with List you could change IEnumerable to IList. Connect and share knowledge within a single location that is structured and easy to search. How do they capture these images where the ground and background blend together seamlessly? From MSDN - IEnumerable.Where. How can I pass a string such as its value is equal to: Or better, with comma between each value. Are there good reasons to minimize the number of keywords in a language? I am unable to run `apt update` or `apt upgrade` on Maru, why? tmux session must exit correctly on clicking close button. What's it called when a word that starts with a vowel takes the 'n' from 'an' (the indefinite article) and puts it on the word? How to convert IEnumerable to one comma separated string? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. @Jonathan: Correct. You should probably use foreach instead. Could any one suggest me the better Idea? You can add another overload which takes the composed lists, then iterate through it and export each individual list: Thanks for contributing an answer to Stack Overflow! Connect and share knowledge within a single location that is structured and easy to search. Definition Namespace: System. Dynamic LINQ OrderBy on IEnumerable / IQueryable. Does "discord" mean disagreement as the name of an application for online conversation? By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. But a better approach is: instead of using the non generic IEnumerable use the generic IEnumerable<T>: IEnumerable<Personel_Form> personeller = sicil_model.OlayForm_Personel (); As for your latest errors (from comments) it is because your function returns an anonymous type and not the Personel_Form type. Thanks for contributing an answer to Stack Overflow! Not the answer you're looking for? In fact - a number of mistakes. Asking for help, clarification, or responding to other answers. IList may not, but IList<T> certainly does. How to install game with dependencies on Linux? How to get property value from IEnumerable. It didn't solve my problem though. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, The future of collective knowledge sharing. Difference between machine language and machine code, maybe in the C64 community? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Can I knock myself prone? By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. What's it called when a word that starts with a vowel takes the 'n' from 'an' (the indefinite article) and puts it on the word? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. fixing or finding an alternative to bad 'paste <(jcal) <(ccal)' output, Lottery Analysis (Python Crash Course, exercise 9-15). How to get value from IEnumerable collection using its Key? Why does this Curtiss Kittyhawk have a Question Mark in its squadron code? msdn.microsoft.com/en-us/library/dd992421.aspx. 586), Starting the Prompt Design Site: A New Home in our Stack Exchange Neighborhood, Testing native, sponsored banner ads on Stack Overflow (starting July 6), Temporary policy: Generative AI (e.g., ChatGPT) is banned, How to get the value of class properties with Linq query and IEnumerable, Accessing Properties of items contained in an IEnumerable. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, The future of collective knowledge sharing, The initial data structure is not a problem. How can I specify different theory levels for different atoms in Gaussian? @ck I guess it's a matter of interpretation. Is there a non-combative term for the word "enemy"? Go iron your hands :P, @annakata: I've explained elsewhere why I prefer "" over. As noted in @EdPlunkett's comment you need to pass value.ToString() to type.GetField() since you're getting the field corresponding to that specific incoming enum value. How do laws against computer intrusion handle the modern situation of devices routinely being under the de facto control of non-owners? msdn.microsoft.com/en-us/library/a8ycds2f%28VS.80%29.aspx. The object of type IGrouping<GroupItem, ListItem> is of type IEnumerable<ListItem> as well, as it is defined as:. When an electromagnetic relay is switched on, it shows a dip in the coil current for a millisecond but then increases again. Why a kite flying at 1000 feet in "figure-of-eight loops" serves to "multiply the pulling effect of the airflow" on the ship to which it is attached? Find centralized, trusted content and collaborate around the technologies you use most. Your question doesn't quite make sense at the moment - it's not clear whether you're actually dealing with an IEnumerable or an IEnumerable. Manga in which the female main character was a hero who died and reincarnated as a child. Do I have to spend any movement to do so? rev2023.7.5.43524. I am not sure how to accomplish that. Developers use AI tools, they just dont trust them (Ep. For logging purposes, I would like to call the .ToString() method of every object on an object[] array. How to get an array from IEnumerable data? c# - How to get property value from IEnumerable - Stack Overflow Does this change how I list it on my CV? (Your text suggests IEnumerable; your code suggests IEnumerable). By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Are throat strikes much more dangerous than other acts of violence (that are legal in say MMA/UFC)? Does this change how I list it on my CV? Is the difference between additive groups and multiplicative groups just a matter of notation? Almost the same as in prevois answer but with check for wrong value received :). Filters a sequence of values based on a predicate. Does this change how I list it on my CV? Asking for help, clarification, or responding to other answers. I truly believe it is bad practice to not be consistent. I chose @dbc's answer because it suited my program better, but it seems like your answer is good as well. When an electromagnetic relay is switched on, it shows a dip in the coil current for a millisecond but then increases again. But the problem comes with List With in a List and i am not able to cast and iterate the terms in child List. @gimel: It's slightly more complicated than that, to take account of long delimiters and empty sources. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Why are lights very bright in most passenger trains, especially at night? Thanks! You would need this in TempClass: public override string ToString () { return A.ToString (); } For a generic solution, you would need constraint: public class Class1<T> where T : Temp { public IEnumerable<T> ItemSource { get; set; } public void WriteLine () { foreach (var item in ItemSource) { Console.WriteLine (item.A); } } } public . There isnt any harm that can be done by it. Feel free to ask a question (though it'll likely be closed as a dupe ;)). Developers use AI tools, they just dont trust them (Ep. Did COVID-19 come to Italy months before the pandemic was declared? I have a StringValue attribute for enums values, so I could attach a description to each value: I have a method that retrieves the StringValue given the enum value: I want to have another method that gets an enum (the enum itself, not a value) and retrieves an IEnumerable using the GetStringValue method. If you were meant to use. Developers use AI tools, they just dont trust them (Ep. AFAIK the IEnumerable interface does not define methods for accessing the data inside the collection, only to iterate it. Developers use AI tools, they just dont trust them (Ep. In theory, correct. Why is it better to control a vertical/horizontal than diagonal? error with "TooManyTopics" dispatch error when calling mint function in OpenBrush PSP37 smart contract. Is there a way to sync file naming across environments? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. Add a comment | 5 Answers Sorted by: Reset to . How to get C# Enum description from value? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Verb for "Placing undue weight on a specific factor when making a decision". Why is this? :- From the BL, i may receive any type of List to my method, so i may receive a single list(You had provided a sample snippet for this). Just replace. The memory requirements for String.Join are therefore more than what I have written, which iterates through the items in a sequence one by one and appends them to a string. Second option is, Overriding as the other answer suggests, change the class definition as like this : Note : You need not to know about the class or properties when iterate over the class1.ItemSource use overrided .ToString() method in each class and print Return what you wished to print on the screen, Lets have another example here: Here in this case the item.ToString() will prints the Student ID : 1 returned by Select() to string ? To learn more, see our tips on writing great answers. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. public class StreamReaderEnumerable : IEnumerable<string> { private string _filePath; public StreamReaderEnumerable(string filePath) { _filePath = filePath; } // Must implement GetEnumerator, which returns a new StreamReaderEnumerator. Equivalent idiom for "When it rains in [a place], it drips in [another place]". Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. (Your text suggests IEnumerable<string>; your code suggests IEnumerable<char>).If it's an IEnumerable<string> and you're using .NET 4, it's really easy: . What's it called when a word that starts with a vowel takes the 'n' from 'an' (the indefinite article) and puts it on the word? As to the performance part even I would like a further explanation :). 1 Almost the same as in prevois answer but with check for wrong value received :) var rez = GetAll ().FirstOrDefault (g=>g.Description==string_received); if (rez==null) throw new ArgumentException (); return rez.Value; Share If you cast a spell with Still and Silent metamagic, can you do so while wildshaped without natural spell? Thanks for contributing an answer to Stack Overflow! IEnumerable vs List - What to Use? tmux session must exit correctly on clicking close button. If you cast a spell with Still and Silent metamagic, can you do so while wildshaped without natural spell? Generally it's bad idea to use functions with side effects with Select. 586), Starting the Prompt Design Site: A New Home in our Stack Exchange Neighborhood, Testing native, sponsored banner ads on Stack Overflow (starting July 6), Temporary policy: Generative AI (e.g., ChatGPT) is banned, Returning IEnumerable vs. IQueryable, Creating a comma separated list from IList or IEnumerable, Entity Framework - Include Multiple Levels of Properties. Why would the Bank not withdraw all of the money for the check amount I wrote? I did not test this code,so feel free to modify. When did a Prime Minister last miss two, consecutive Prime Minister's Questions? For instance, why does Croatia feel so safe? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. oh.. How can I return a string from an Ienumerable? rev2023.7.5.43524. Why is this? To learn more, see our tips on writing great answers. Thanks for contributing an answer to Stack Overflow! How to resolve the ambiguity in the Boy or Girl paradox? It is not lazy, it forces execution of query. As value Type is OBJECT, so in DAL i may not know the Entity Type because i am receiving my List as IEnumerable. Making statements based on opinion; back them up with references or personal experience. Connect and share knowledge within a single location that is structured and easy to search. If you can't use LINQ, then your approach is technically correct and no different than creating an enumerator using the GetEnumerator and MoveNext methods to retrieve the first result (this example assumes enumerable is an IEnumerable<Elem> ): When did a Prime Minister last miss two, consecutive Prime Minister's Questions? @Sipo That works for me. c# - How to get values from IGrouping - Stack Overflow Is it okay to have misleading struct and function names for the sake of encapsulation? error with "TooManyTopics" dispatch error when calling mint function in OpenBrush PSP37 smart contract. To learn more, see our tips on writing great answers. error with "TooManyTopics" dispatch error when calling mint function in OpenBrush PSP37 smart contract, Space elevator from Earth to Moon with multiple temporary anchors. How to get item from IEnumerable collection using its index in C# I;m now trying to get property valueYearOfBirth from the returned result. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Equivalent idiom for "When it rains in [a place], it drips in [another place]". Because Select is lazy, so the function you pass in will only be evaluated once you use the result of Select. Are throat strikes much more dangerous than other acts of violence (that are legal in say MMA/UFC)? If you're dealing with a general IEnumerable then use, If you're actually dealing with a string to start with, use Substring :). Creating the IEnumerable> Objects with C#? I am unable to run `apt update` or `apt upgrade` on Maru, why? 586), Starting the Prompt Design Site: A New Home in our Stack Exchange Neighborhood, Testing native, sponsored banner ads on Stack Overflow (starting July 6), Temporary policy: Generative AI (e.g., ChatGPT) is banned, SelectListItem[] alternatives at non UI levels in ASP.net mvc, Using List to store Keys and Values, Convert List of KeyValuePair into IDictionary "C#", Creating a Key/Value List with more than one value per key, How to Convert KeyValuePair to Dictionary in C#, Dictionary>>, Define a KeyValuePair struct like >, C# - Short way to create List> as parameter for method. GetEnumerator using System; using System.Collections.Generic; class Program { static void Main () { Display (new List<bool> { true, false, true }); } static void Display ( IEnumerable <bool> argument) { foreach (bool value in argument) { Console.WriteLine (value); } } } True False True 2D array. Define your Enum like this: Read more about enums here: http://www.dotnetperls.com/enum. You have already discovered that the results are confusing. how to give credit for a picture I modified from a scientific article? why? String.Join requires an array, which has to be held entirely in memory. Asking for help, clarification, or responding to other answers. rev2023.7.5.43524. For a generic solution, you would need constraint: Thanks for contributing an answer to Stack Overflow! Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. What you want is to use the IEnumerable.Where() method. Getting value from IEnumerable collection. how To fuse the handle of a magnifying glass to its body? It's embarrassing that this isn't the accepted . How do laws against computer intrusion handle the modern situation of devices routinely being under the de facto control of non-owners? So i need an information that how do we iterate the Child Lists, if we any choice. Do large language models know what they are talking about? How Did Old Testament Prophets "Earn Their Bread"? It is the backbone for the LINQ framework. I read the commas as peculiar to the OP's formatting rather than being part of the data. Find centralized, trusted content and collaborate around the technologies you use most. Can I knock myself prone? So a better solution is IEnumerable: If you really want to return the property name with its value, I suggest using ValueTuple syntax instead of anonymous types, which will let you access the property and value fields of the ValueTuple (requires C# 7): Thanks for contributing an answer to Stack Overflow! How to get the index of an element in an IEnumerable? Why did Kirk decide to maroon Khan and his people instead of turning them over to Starfleet? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Convert a 0 V / 3.3 V trigger signal into a 0 V / 5V trigger signal (TTL). rev2023.7.5.43524. Convert a 0 V / 3.3 V trigger signal into a 0 V / 5V trigger signal (TTL). I have to prepare for any type of collection, the point is that I don't know 'A'. Instead if instantiating an anonymous . If so, and if indeed you have an IEnumerable (not IEnumerator ), you can do this: using System.Linq; . Do large language models know what they are talking about? What is the difference between a field and a property? rev2023.7.5.43524. I want to convert this to single string value, i.e: How can i rewrite the following to get a single string. By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. The OP seems a bit vague though so I can't tell if they're trying to read an object from the . Extracting field values from IEnumerable. How can I achieve this. The example class above, TempClass, is just example. or a parent list containing ALL Child Lists. Developers use AI tools, they just dont trust them (Ep. What are the pros and cons of allowing keywords to be abbreviated? @troethom: The intention of the code is somewhat more clear if you use the alias string for the type, and the class String when you use static methods in the class. Find centralized, trusted content and collaborate around the technologies you use most. More on that. Is the executive branch obligated to enforce the Supreme Court's decision on affirmative action? @Winston: I'm aware of String.Join. Because you didn't execute the query. Developers use AI tools, they just dont trust them (Ep. rev2023.7.5.43524. No need to check sb.Length on each iteration. How to get a collection of values as an enum? Did COVID-19 come to Italy months before the pandemic was declared? Here's the core code (there are a couple of wrappers to allow a default delimiter): Thanks for contributing an answer to Stack Overflow!

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