ISqlModelMapper.ClearTracked() Method

.NET Standard 2.x

Clears all tracked information.

Namespace: SnapObjects.Data

Assembly: SnapObjects.Data.dll

Syntax

  public void ClearTracked()

Examples

The following code example demonstrates how to use the ClearTracked method.

using Appeon.ApiDoc.Models.School;
using System;

namespace Appeon.ApiDoc.ISqlModelMapperExamples
{
    public class ClearTrackedExample
    {
        private SchoolContext _context;

        public ClearTrackedExample(SchoolContext dataContext)
        {
            // Sets the data context.
            _context = dataContext;
        }

        public void Example()
        {
            var mapper = _context.SqlModelMapper;

            // Sets the properties for the new student.
            var newStudent = new Person()
            {
                LastName = "Senior",
                FirstName = "Letitia",
                EnrollmentDate = new DateTime(2019, 1, 1),
                Discriminator = "Student"
            };

            // Tracks the new student. This record will be inserted to the database if 
            // the SaveChanges method is called.
            mapper.TrackCreate(newStudent);

            // Clears tracked info. No record will be inserted to the database.
            mapper.ClearTracked();

            var dbResult = mapper.SaveChanges();

            Console.WriteLine("The number of inserted row(s) is {0}.",
                dbResult.InsertedCount);

            /* The code produces the following output:
            
            The number of inserted row(s) is 0.
            */
        }
    }
}

Example Refer To

Model Class: Person

Applies to

.NET Standard

2.x