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c# Programming Glossary: orderbyC# find most recent file in dir http://stackoverflow.com/questions/1179970/c-sharp-find-most-recent-file-in-dir C MyDirectory var myFile from f in directory.GetFiles orderby f.LastWriteTime descending select f .First or... var myFile..
http://stackoverflow.com/questions/15486/sorting-an-ilist-in-c-sharp I believe you could sort as follows from c in list orderby c.Engine select c Edit You do need to be quick to get answers..
LINQ - Fluent and Query Expression - Is there any benefit(s) of one over other? [closed] http://stackoverflow.com/questions/214500/linq-fluent-and-query-expression-is-there-any-benefits-of-one-over-other var query from e in entries where e.Approved orderby e.Rating select e.Title .FirstOrDefault Is there any difference.. from fullName in fullNames from name in fullName.Split orderby fullName name select name came from fullName Now compare this..
What to use: var or object name type? [duplicate] http://stackoverflow.com/questions/236878/what-to-use-var-or-object-name-type parentRow.GetChildRows myRelation where r.Field bool Flag orderby r.Field int SortKey select r When I read that code one of the..
Sortable JqGrid using LINQ to MySQL (DbLinq) and Dynamic LINQ - Orderby doesn't work http://stackoverflow.com/questions/4078592/sortable-jqgrid-using-linq-to-mysql-dblinq-and-dynamic-linq-orderby-doesnt to not work. I set breakpoint in code and I noticed that orderby doesn't change order of elements. Any idea what could be wrong.. sord desc StringComparison.Ordinal 0 from x in repository orderby propertyInfo.GetValue x null descending select x from x in.. x null descending select x from x in repository orderby propertyInfo.GetValue x null select x if you use fields instead..
How to Count Duplicates in List with LINQ http://stackoverflow.com/questions/454601/how-to-count-duplicates-in-list-with-linq xx in inventory group xx by xx into g let count g.Count orderby count descending select new Count count gameName g.Key.gameName.. linq share improve this question You can use group by orderby . See LINQ 101 for details var list new List string a b a c.. var q from x in list group x by x into g let count g.Count orderby count descending select new Value g.Key Count count foreach..
Combination of List<List<int>> http://stackoverflow.com/questions/545703/combination-of-listlistint var combinations from a in A from b in B from c in C orderby a b c select new List int a b c var x combinations.ToList For..
http://stackoverflow.com/questions/648196/random-row-from-linq-to-sql from row in ctx.Customers where row.IsActive your filter orderby ctx.Random select row .FirstOrDefault Note that this is only..
Linq to Entities, random order http://stackoverflow.com/questions/654906/linq-to-entities-random-order from en in context.MyEntity where en.type myTypeVar orderby select en Thanks Edit I tried adding this to the context public.. from en in context.MyEntity where en.type myTypeVar orderby context.Random select en But i got this error System.NotSupportedException.. from en in context.MyEntity where en.type myTypeVar orderby context.Random select en .AsEnumerable c# entity framework..
C# Reading a File Line By Line http://stackoverflow.com/questions/1271225/c-sharp-reading-a-file-line-by-line buffering perfect for Where etc. Note that if you use OrderBy or the standard GroupBy it will have to buffer the data in memory..
Optimal LINQ query to get a random sub collection - Shuffle http://stackoverflow.com/questions/1651619/optimal-linq-query-to-get-a-random-sub-collection-shuffle share improve this question Another option is to use OrderBy and to sort on a GUID value which you can do so using var result.. a GUID value which you can do so using var result sequence.OrderBy elem Guid.NewGuid I did some empirical tests to convince myself..
C# Sort and OrderBy comparison http://stackoverflow.com/questions/1832684/c-sharp-sort-and-orderby-comparison Sort and OrderBy comparison I can sort a list using Sort or OrderBy. Which one.. and OrderBy comparison I can sort a list using Sort or OrderBy. Which one is faster Are both working on same algorithm List.. string.Compare p1.Name p2.Name true 2. var query persons.OrderBy n n.Name new NameComparer class NameComparer IComparer string..
C# List<> OrderBy Alphabetical Order http://stackoverflow.com/questions/188141/c-sharp-list-orderby-alphabetical-order List OrderBy Alphabetical Order I'm using C# on Framework 3.5. I'm looking.. a lambda expression List Person people PopulateList people.OrderBy c# generics list lambda sorting share improve this question.. y.LastName If you mean a new list var newList people.OrderBy x x.LastName .ToList ToList optional share improve this answer..
http://stackoverflow.com/questions/204505/preserving-order-with-linq Explicitly use these to change the order of the result OrderBy OrderByDescending Reverse ThenBy ThenByDescending Redefines.. use these to change the order of the result OrderBy OrderByDescending Reverse ThenBy ThenByDescending Redefines Order as..
What guarantees are there on the run-time complexity (Big-O) of LINQ methods? http://stackoverflow.com/questions/2799427/what-guarantees-are-there-on-the-run-time-complexity-big-o-of-linq-methods What about the versions that use an IEqualityComparer OrderBy would need a sort so most likely we're looking at O n log n.. O n log n . What if it's already sorted How about if I say OrderBy .ThenBy and provide the same key to both I could see GroupBy.. override the Contains method that's why they are O 1 . OrderBy methods use a stable quicksort so they're O N log N average..
http://stackoverflow.com/questions/307512/how-do-i-apply-orderby-on-an-iqueryable-using-a-string-column-name-within-a-gene do I apply OrderBy on an IQueryable using a string column name within a generic.. sortExpression Expression.Lambda body param return query.OrderBy sortExpression Because the type for OrderBy is not inferred.. return query.OrderBy sortExpression Because the type for OrderBy is not inferred from sortExpression I need to specify it something..
Dynamic LINQ OrderBy on IEnumerable<T> http://stackoverflow.com/questions/41244/dynamic-linq-orderby-on-ienumerablet LINQ OrderBy on IEnumerable T I found an example in the VS2008 Examples.. Dynamic LINQ that allows you to use a sql like string e.g. OrderBy Name Age DESC for ordering. Unfortunately the method included.. Expression logic needed. public static IOrderedQueryable T OrderBy T this IQueryable T source string property return ApplyOrder..
Use own IComparer<T> with Linq OrderBy http://stackoverflow.com/questions/985657/use-own-icomparert-with-linq-orderby own IComparer T with Linq OrderBy I have a generic List MyClass where MyClass has a property.. direction case ListSortDirection.Ascending items items.OrderByDescending x property.GetValue x .ToList break case ListSortDirection.Descending.. break case ListSortDirection.Descending items items.OrderByDescending x property.GetValue x .ToList break this.Items items..
Problem with Generic Linq OrderBy function http://stackoverflow.com/questions/1407243/problem-with-generic-linq-orderby-function if IsString Expression Func T string expString ... call orderBy with expString else if IsInt Expression Func T int expInt call.. expString else if IsInt Expression Func T int expInt call orderBy w expInt I want something like Expression Func T something generic.. generic exp if IsString exp ... else if IsInt exp ... call orderBy with exp c# linq lambda share improve this question My..
http://stackoverflow.com/questions/3084671/linq-multiple-order-by parameter List Expression Func CatalogProduct bool orderBy null This parameter is optional If it is filled it should create.. null foreach Expression Func CatalogProduct bool func in orderBy if temp null temp catalogProducts.OrderBy func else .. null foreach Expression Func CatalogProduct bool func in orderBy if temp null temp catalogProducts.OrderBy func else temp..
Declaring Func<in T, out Result> dynamically http://stackoverflow.com/questions/3752305/declaring-funcin-t-out-result-dynamically T x the key selector for the OrderBy method Expression orderBy Expression.Lambda Expression.Property orderParam propertyInfo..
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