WebSince List implements IEnumerable, we can assign the list to an IEnumerable variable. Alternatively, you can use the AsEnumerable() extension method, which is a … WebSep 21, 2016 · Specify your return type in the angle brackets again here. public IEnumerator< double > GetEnumerator () { foreach ( double val in myData) { yield return val; } } //This method is also needed, but usually you don't need to change it from this. IEnumerator IEnumerable.GetEnumerator () { return GetEnumerator (); } } }
How to implement IEnumerable in C# - James Ramsden
WebJan 29, 2024 · public IEnumerable Search (String name) { var qList = _context.Employees; if (!String.isNullOrEmpty (name)) { string extractedName = name.Replace ("%","").Replace ("*",""); if (name.EndsWith ("%") name.EndsWith ("*"); qList = qList.Where (emp => emp.Name.StartsWith (extractedName)); } return … WebHere's an example C# extension method that can be used to get the values of any enum: csharpusing System; using System.Collections.Generic; using System.Linq; public static class EnumExtensions { public static IEnumerable GetValues() where T : struct, Enum { return Enum.GetValues(typeof(T)).Cast(); } } . This extension method … the dragon head-raising festival
The 10 Most Common Mistakes in C# Programming Toptal®
WebMay 29, 2012 · public static IEnumerable ToSelectItemList ( this IEnumerable enumerable, Func text, Func value) { foreach (TSource model in enumerable) yield return new SelectListItem { Text = text (model), Value = value (model) }; } WebMay 2, 2012 · No, it is not, because you may have intrinsic order. You give SQL as example - the result is an IEnumerable, but if I have enforced ordering before (By using OrderBy ()) then the IEnumerable is ordered per definition of LINQ. AsEnumerable ().First () gets me then the first item by Order. Share. WebMar 8, 2024 · The IReadOnlyCollection interface extends the IEnumerable interface and represents a basic read-only collection interface. It also includes a Count property apart from the IEnumerable members... the dragon hall norwich