C# order by property name

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August undefined, 2024

Web2 days ago · But this is not the case everytime i open the user.config after the properties are saved. They have been written to file in a completly different order.. Even when i do this it doesnt work (which i found here) Properties.Settings.Default.Properties.OfType().OrderBy(s => … WebJun 27, 2016 · THIS is the Correct answer. also Item => Item.GetType () can be use instead of item => typeof (area) – Rouzbeh Zarandi. Nov 1, 2024 at 12:41. Add a comment. 2. For dynamic ordering most convenient way I found: string propertyNameForOrdering = "UserName"; var list = context.Customers.OrderByDescendingDynamic (x => "x."

C# - code to order by a property using the property name …

WebMay 17, 2024 · Ordering by property name Normally, the LINQ OrderBy operator is used like this: _context.Messages.OrderBy(m => m.Id) . But, if you have an endpoint where … Webprivate static IEnumerable OrderBy (IEnumerable entities, string propertyName) { if (!entities.Any () string.IsNullOrEmpty (propertyName)) return entities; var propertyInfo … bnf online loratadine

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Web[PropertyName] var parameter = Expression.Parameter (typeof (TSource), "x"); Expression property = Expression.Property (parameter, propertyName); var lambda = Expression.Lambda (property, parameter); // REFLECTION: source.OrderBy (x => x.Property) var orderByMethod = typeof (Queryable).GetMethods ().First (x => x.Name … WebT item = context.Set (T).First (); string propName = "MyProperty"; object value = item.GetType ().GetProperty (propName).GetValue (item, null); Of course note that you'll either need to cast the values to a specific type manually, or use ToString, which should work quite well on all basic types. This assumes you already have the data from the ... clicksmart.com

Custom Sort by Property Name C# Online Compiler .NET Fiddle

How to customize property names and values with …

WebJul 7, 2011 · So if I assume you want to sort by the child name that comes first lexicographically, your solution would be the following (@Paul was close on this one, but you need to specify the property you are sorting by): context. Parents. OrderBy (p => p. Children. OrderBy (c => c.Name).Select (c => c.Name).FirstOrDefault () ); WebSep 1, 2011 · orderByProperty is the Property name you want to order by and if pass true as parameter for desc, will sort in descending order; otherwise, will sort in ascending order. Now you should be able to do existingStudents.OrderBy ("City",true); or existingStudents.OrderBy ("City",false); Share Improve this answer Follow answered … bnf online macrogolWebSep 29, 2024 · Beginning in C# 11, you can require callers to set that property: public class Person { public Person() { } [SetsRequiredMembers] public Person(string firstName) => … clicksmart delivery

"WebCustom Sort by Property Name by Manfred Radlwimmer. x. public static IEnumerable OrderBy(this IEnumerable enumerable, string property) 1. using System; 2. … " - C# order by property name

C# order by property name

Lesson 06: Adding Parameters to Commands - C# …

WebNov 4, 2024 · In this article. Properties combine aspects of both fields and methods. To the user of an object, a property appears to be a field, accessing the property requires the same syntax. To the implementer of a class, a property is one or two code blocks, representing a get accessor and/or a set accessor. The code block for the get accessor is ... WebI'm trying to re-order the list based on a property inside my model, allEmployees = new List(allEmployees.OrderByDescending(employee => employee.Name)); but I faced a problem when a small and capital letters exist , so to solve it, I …

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WebOct 4, 2024 · The XmlArrayAttribute will determine the properties of the enclosing XML element that results when an array is serialized. For example, by default, serializing the array below will result in an XML element named Employees. The Employees element will contain a series of elements named after the array type Employee. C#. WebTo sort by a dynamic (runtime) column name, you have a few choices: 1. Use Expression tree classes and build your own OrderBy lambda 2. Use Dynamic LINQ and use a string OrderBy. – NetMage Jan 20, 2024 at 20:35 Add a comment 2 Answers Sorted by: 4 The second last of your examples is actually quite close to something that should work.

Webpublic static TResult GetPropertyValue (this object t, string propertyName) { object val = t.GetType ().GetProperties ().Single (pi => pi.Name == propertyName).GetValue (t, null); return (TResult)val; } You can throw some error handling around that too if you like. Share Improve this answer Follow edited May 24, 2024 at 5:57 WebSep 24, 2024 · So for example, if the property name is 'test', a simple query would look like this: var test = testList.Select (x => x.test).Distinct ().ToList (); But I want to dynamically generate the property name, eg: var propertyName = "test"; var test = testList.Select (x => x.propertyName).Distinct ().ToList ();

Webvar properties = from property in typeof (Test).GetProperties () where Attribute.IsDefined (property, typeof (OrderAttribute)) orderby ( (OrderAttribute)property .GetCustomAttributes (typeof (OrderAttribute), false) .Single ()).Order select property; foreach (var property in properties) { // } WebSep 15, 2024 · In a query expression, the orderby clause causes the returned sequence or subsequence (group) to be sorted in either ascending or descending order. Multiple keys can be specified in order to perform one or more secondary sort operations. The sorting is performed by the default comparer for the type of the element.

WebYou can get Dynamic Linq through Nuget. Then you can use .OrderBy(sortby + " " + sortdirection). Here is the link: Dynamic Linq. Here is one solution that does

WebNov 3, 2013 · since OrderBy returns IOrderedEnumerable you should do: lst = lst.OrderBy (p => p.Substring (0)).ToList (); you can also do the following: lst.Sort (); Share Improve this answer Follow answered Mar 14, 2011 at 7:48 scatman 14k 22 70 93 2 Note that List.Sort is an unstable sort, whereas OrderBy is stable. click smartjailmailWebJul 28, 2016 · Sorted by: 4 If the idea is to order by the last (i.e. max) message timestamp, the following should do the job: return friends.OrderByDescending (f => f.Messages.Max (m => (DateTime?)m.Time)) .Select (f => f.Name) .ToList (); Casting to DateTime? is needed to avoid exception when there are no messages for some friend. clicksmart cameraWebMar 15, 2012 · Update a property on an object knowing only its name. public class FieldsToMonitor { public int Id { get; set; } public string Title { get; set; } public int Rev {get; set;} } I now want to populate those variable with values, but the fm. [varible name] needs be same as field.Name. Here how I would populate in loop if I knew the property name ... clicksmart.itWebJul 24, 2010 · To sort your file, open the file via solution explorer: Right click the open file Code Maid menu (likely near the top of the right click menu) Click Reorganize Active Document Alternatively, using the default CodeMaid hotkeys CTRL + M, Z to sort your active file. Share Improve this answer Follow edited May 15, 2024 at 16:24 Chris Marisic click smart fused spurWebIn C# 6 we can do it very simply nameof (MyField); you can get method\type\propery\field\class\namespace names in the same way ex nameof (MyClass); nameof (namespacename1) // returns "namespacename1" nameof (TestEnum.FirstValue) // returns enum's first value MSDN Reference Look at this post Share Improve this answer … click smart+ hubWebOct 24, 2014 · This allows you to pass the property name as a string and build up an expression which it passes to the regular LINQ OrderBy () function. So in your case, the usage would be: DbSet = Context.Set (); public IQueryable GetAll (int pageNumber = 0, int pageSize = 10, string sortColumn = "") { return DbSet.OrderBy (GetKeyField … bnf online naproxenWebSep 15, 2024 · Method Name Description C# Query Expression Syntax More Information; OrderBy: Sorts values in ascending order. orderby: Enumerable.OrderBy Queryable.OrderBy: OrderByDescending: Sorts values in descending order. orderby … descending: Enumerable.OrderByDescending Queryable.OrderByDescending: ThenBy: … click smart csb040