"Object is currently in use elsewhere" error for picturebox "Parameter is not valid" - new Bitmap() "Recursive write lock acquisitions not allowed in this mode.? "Settings" in DLL project properties and app.config file "The function evaluation requires all threads to run" while accessing mus...
This series of examples shows you Language Integrated Query (LINQ) techniques to use with collections and arrays.
Step 3: Assign the query the LINQ expression you want to useYou can use a method chain or query syntax.Step 4: Iterate over the collectionIn the completed workflow I used a ForEach<string> activity to iterate the list of names and write them to the console....
How do I use join and 'like' clause in linq ? How to create a UNION ALL on two tables in linq How to Get the Max Value of a Field using Linq to SQL How to include null values in join of two tables? How to retrieve the last inserted IDENTITY in Linq to SQL ...
How to use Between Operator in Linq different btn the dates wise select Query All replies (3) Friday, January 31, 2014 4:11 AM ✅Answered The is no Between operator. You can use < and > var products = db.Products.Where(p => p.Price >= 10.00 && p.Price <= 20.00).ToList() ...
But what if you want to use the Distinct method for a collection of objects of your own type? For example, like this: class Number { public int Digital { get; set; } public String Textual { get; set; } } class Program { static void Main(string[] args) ...
Sometimes people wonder if it is possible to use LINQ to SQL without having to use the designer and the automaticallygenerated .dbml files and classes. The short answer is yes, and it is not even very hard to do.In the end it may be worth using the designer, for exam...
The following example shows how to create a new application that retrieves and updates information in a SQL Server database. The examples in this topic use the Northwind sample database. If you do not have this database on your development computer, you can download it from the Microsoft Dow...
In this syntax, we use the include method to combine the related entities in the same query, like merging multiple entities in a single query. How does include work in LINQ? LINQ Include(), which point towards the similar entities that must read from the database to get in a single quer...
I want to call a user defined SQL SERVER function and use as parameter a property that is a value object. The EF Core documentation shows only samples with primitive types. I can't manage to create a working mapping. The entities of our ...