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Deprecated: Creation of dynamic property Kirki_Field::$label is deprecated in /home/rh00k03md44z/public_html/new.octopuscodes.com/wp-content/themes/hitmag/inc/kirki/core/class-kirki-field.php on line 291

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Deprecated: Creation of dynamic property Kirki_Field_Text::$label is deprecated in /home/rh00k03md44z/public_html/new.octopuscodes.com/wp-content/themes/hitmag/inc/kirki/core/class-kirki-field.php on line 291

Deprecated: Creation of dynamic property Kirki_Field_Radio_Image::$label is deprecated in /home/rh00k03md44z/public_html/new.octopuscodes.com/wp-content/themes/hitmag/inc/kirki/core/class-kirki-field.php on line 291

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Single in LINQ Query in Entity Framework Core Archives - OctopusCodes https://octopuscodes.com/tag/single-in-linq-query-in-entity-framework-core/ Thu, 04 May 2023 08:01:34 +0000 en-US hourly 1 https://wordpress.org/?v=6.9 https://octopuscodes.com/wp-content/uploads/2022/12/cropped-logo-80x80-1-32x32.png Single in LINQ Query in Entity Framework Core Archives - OctopusCodes https://octopuscodes.com/tag/single-in-linq-query-in-entity-framework-core/ 32 32 Single in LINQ Query in Entity Framework Core https://octopuscodes.com/net-core-tutorial/entity-framework-core-tutorial/single-in-linq-query-in-entity-framework-core/ Thu, 04 May 2023 07:58:04 +0000 https://octopuscodes.com/?p=2205 Single method is used to get exactly one item to be returned by a query from a database using Entity Framework Core. Single method will throw an exception if the …

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Single method is used to get exactly one item to be returned by a query from a database using Entity Framework Core. Single method will throw an exception if the query does not return exactly one item.

using EntityFrameworkCore_ConsoleApp.Models;

namespace EntityFrameworkCore_ConsoleApp
{
    public class Program
    {
        static void Main(string[] args)
        {
            using (var databaseContext = new DatabaseContext())
            {
                var productInfo = (from product in databaseContext.Products
                                   where product.Id == 9
                                   select product).Single();
                Console.WriteLine("Id: " + productInfo.Id);
                Console.WriteLine("Name: " + productInfo.Name);
                Console.WriteLine("Price: " + productInfo.Price);
                Console.WriteLine("Quantity: " + productInfo.Quantity);
                Console.WriteLine("Description: " + productInfo.Description);
                Console.WriteLine("Status: " + productInfo.Status);
                Console.WriteLine("Photo: " + productInfo.Photo);
                Console.WriteLine("Created: " + productInfo.Created.ToString("dd/MM/yyyy"));
                Console.WriteLine("Category Id: " + productInfo.CategoryId);
            }
        }
    }
}
Id: 9
Name: Tivi 1
Price: 10
Quantity: 15
Description: Description 1
Status: True
Photo: photo1.gif
Created: 20/10/2023
Category Id: 1

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