"The given key was not present in the dictionary." when passing null non-Route paramater to ActionLink "The LINQ expression node type 'Invoke' is not supported in LINQ to Entities" when using PredicateBuilder, help please (@Html.DropDownListFor) how to display the selected text instead of th...
In Linq, Group By always creates a hierarchical structure with two properties: the key (here, aliased DocID) and a collection (Group), which I here aliased 'Versions'. I probably should have called it Documents for consistency. In any case, a single object in this collection has two prope...
In the above program, we created a moduleModule1that contains aMain()function. TheMain()function is the entry point for the program. In theMain()function, We get the distinct elements from the list of integers using theDistinct()LINQ extension method and then print the result on ...
In each LINQ function, you will need to define some condition that will be used to filter objects. The most natural way to do this is to pass some function that will be evaluated, and if an object satisfies a condition defined in the function, it will be included in the result set of...
Here is my code var db = (from customer in entity.CUSTOMER_MASTER select new { customer.CUSTOMER_NM, customer.CUSTOMER_CODE }).Distinct().OrderBy(customer => customer.CUSTOMER_NM).ToList(); Now,Pl...
This chapter from Microsoft ADO.NET Entity Framework Step by Step begins by introducing you to LINQ to Entities.The chapter won’t provide an extensive reference, but you’ll have enough information to perform common tasks and a few advanced tas
power of closures and other new Java 8 features. Unfortunately, it doesn't allow the usage of the Stream API which is arguably its most awesome feature. However, by using it in conjunction with Android LINQ, its possible to perform powerful collection manipulation in just a few lines of ...
Can i specify which sql index to use, in Linq - querry? Can I trigger timer interval of 24 hours? Can I use a javascript function in C# console application? Can i use TolistAsync() when doing LINQ to obj...
And in fact, I have found that for most events I override in a Control subclass, it is in fact useful to be able to follow the same technique for ensuring order of operations, and to have a model where the actions taken by the class itself are in fact distinct from client code ...
And suppose you create a new console project in Visual Studio. We generate you this code: using System; using System.Text; using System.Linq; class Program { static void Main(string[] arguments) { } } … which doesn’t compile. Which is better, generating code that doesn't compile, ...