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Cannot Be Inferred From The Usage Try Specifying Linq

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share|improve this answer answered Jan 28 '11 at 1:20 SLaks 544k9713501521 Do you have an example of how I can do that here? –Steven Jan 28 '11 at 1:24 Simply putting the cast doesnot work (This is what you are doing here - GroupBy((zteBbhEntity.CombinedMaster as ICombinedMaster).CellId) Rather it should be something like GroupBy(cells =>(zteBbhEntity.CombinedMaster as ICombinedMaster).CellId). Three questions: what does adding in do, what does this error mean and why doesn't it work? This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL) Top Experts Last 24hrsThis month OriginalGriff 475 John Simmons / outlaw have a peek here

Try specifying the type arguments explicitly0The type arguments for method cannot be inferred from the usage. In particular, if you had changed the second SelectMany to SelectMany you would have got the errors Cannot implicitly convert type RowArgumentVal to System.Collections.Generic.IEnumerable. share|improve this answer answered Aug 5 '13 at 10:23 Plymouth223 1,442717 add a comment| up vote 1 down vote var objectives = objectiveData.Select(o => { var result = new Objective { Is it possible to bleed brakes without using floor jack? http://stackoverflow.com/questions/11587536/c-sharp-type-arguments-cannot-be-inferred-from-usage-in-select-with-multiple-ret

The Type Arguments For Method Cannot Be Inferred From The Usage Try Specifying The Type Arguments

Why didn’t Japan attack the West Coast of the United States during World War II? using System.Collections.Generic; using System.Linq; using System.Text.RegularExpressions; namespace Sample { public abstract class A { private A(int index) { /* ... */ } public sealed class A1 : A { public A1(string is it Int or is it a nullable Int ? var argumentsVal = entries.SelectMany(entry => arguments.Select(arg => new RowArgumentVal())).ToList(); Each entry will be mapped into an IEnumerable according to the arguments.

Actual meaning of 'After all' Why did the best potions master have greasy hair? Hot Network Questions How do I reverse this javascript code? personally i npormally use this most often: Customer C= DB.Customers.Single( x => x.ID == CustomerID); where i am pulling one record from some table. The Type Arguments Cannot Be Inferred From The Query Linq My manager said I spend too much time on Stack Exchange.

Related 7Lambda “cannot be inferred from the usage”548Difference Between Select and SelectMany3Type arguments cannot be inferred from usage7C# type arguments cannot be inferred from usage in Select with multiple returns14SelectMany() Cannot Already have an account? more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed http://stackoverflow.com/questions/25564404/selectmany-cannot-be-inferred-from-the-usage I'm not sure what is causing this error on a simple OrderBy function.

But yeah, I can see why the compiler complains, it doesn't magically know you want the common denominator to be class A. –Nick Babcock Jul 20 '12 at 22:08 add a The Type Arguments Cannot Be Inferred From The Usage Selectmany What is really curved, spacetime, or simply the coordinate lines? Error1The type arguments for method 'System.Linq.Queryable.SelectMany(System.Linq.IQueryable, System.Linq.Expressions.Expression>>)' cannot be inferred from the usage. up vote 12 down vote I had this same problem, my solution: In the web.config file : share|improve this answer answered

The Type Arguments Cannot Be Inferred From The Usage Linq Join

well, bad. http://stackoverflow.com/questions/4969321/the-type-arguments-cannot-be-inferred-from-the-usage-try-specifying-the-type-ar GridView does not contain a definition for 'Columns' and no extension method 'Columns' accepting a first argument of type 'GridView' could be found does not contain a definition for 'Frame' and The Type Arguments For Method Cannot Be Inferred From The Usage Try Specifying The Type Arguments Subscribe Oops, something didn't work. The Type Arguments Cannot Be Inferred From The Usage Linq Select I think this is what you want: foreach (var office in CurrentEmployee.EmployeeOffices.Select(eo => eo.Office)) share|improve this answer edited Sep 4 '13 at 3:51 answered Sep 3 '13 at 23:23 p.s.w.g 98.1k15137187

Actually, I get the same compile error tryiung to use any of the extension methods. navigate here But it doesn't really explain what the process of "fixing X" is - that's the real problem, that the compiler isn't able to make the determination. Model.GetHtmlAttributes should be model.GetHtmlAttributes share|improve this answer answered Feb 13 '11 at 7:12 Slaggg 3,36541726 thanks for the suggestion, but i need to give it a specific instance of Linked 4 MVC 5 - The type arguments for method “…” cannot be inferred from the usage. The Type Arguments For Method Cannot Be Inferred From The Usage Orderby

I normally use var where you used IEnumerable ... Solution 1 Accept Solution Reject Solution Hi R Harshal, The Group By operator cannot be used as the way you are using it. What is really curved, spacetime, or simply the coordinate lines? Check This Out However, what you need is to add a return result; line at then end of your code like so: var objectives = objectiveData.Select(o => { var result = new Objective {

how did you figure this out? –Vincent Jan 3 '13 at 12:47 add a comment| up vote 12 down vote I know this question already has an accepted answer, but for The Type Arguments For Method Cannot Be Inferred From The Usage Mvc figuerres ??? Join them; it only takes a minute: Sign up The type arguments for method System.Linq.Enumerable.OrderBy cannot be inferred from the usage up vote 3 down vote favorite 2 I'm trying to

return season.Chromosomes.Count(Criteria); } share|improve this answer edited Apr 8 '13 at 5:00 answered Apr 7 '13 at 21:41 Kirill Bestemyanov 10.1k21132 When I do this I get a compiler

The reason you are getting type inference is because you passed it an incompat expression where it wouldnt infer what the generic type args were.. Abhishek Bose 17-May-14 14:20pm Hi Karthy,

I guess it is pretty clear that the group by operator is causing the exception. 1 solution Rate this: Please Sign Heroku Gives me Error like "Push rejected, Unauthorized access." Newton's second law for individual forces Why are password boxes always blanked out when other sensitive data isn't? The Type Arguments For Method Cannot Be Inferred From The Usage Linq Join Here's my Objective class: public partial class Objective : AuditableTable { public Objective() { this.ObjectiveDetails = new List(); } public int ObjectiveId { get; set; } public string Name { get;

Can one bake a cake with a cooked egg instead of a raw one? Jul 31 '15 at 22:40 This question has been asked before and already has an answer. Option 2 is how I originally wrote the code but I get the compile error as listed. this contact form In my simple mind, options 1 and 2 are equivalent.

Intuitively, given a set of expressions E1…Em this inference should be equivalent to calling a method Tr M(X x1 … X xm) with the Ei as arguments. Aug 6 '13 at 8:00 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign up using Facebook Sign up using Why do some airlines have different flight numbers for IATA and ICAO? I have to do the following: <%: Html.TextBoxFor(model => model.MyProperty, Model.GetHtmlAttributes (model => model.MyProperty)) %> I'm just looking for some clarity as to how it tries to infer the type,

Anyone know what it is? For a better animation of the solution from NDSolve How can I trust that this is google? Am I interrupting my husband's parenting? Not the answer you're looking for?

Come on SA guys, take your VC money and get with dynamic page sizing! –Slaggg Feb 13 '11 at 7:13 add a comment| 7 Answers 7 active oldest votes up vote What is the definition of "rare language"? The inferred return type is determined as follows: If the body of F is an expression, then the inferred return type of F is the type of that expression. current community chat Stack Overflow Meta Stack Overflow your communities Sign up or log in to customize your list.

Subscribed! n-dimensional circles! Why put a warning sticker over the warning on this product? Thanks! –Jonathan Wood Sep 3 '13 at 23:26 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign up using Facebook

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