ISqlModelMapper.TrackSqlCUD(string sqlText, params object[] parameters) Method

.NET Standard 2.x

Tracks a database table operation (insert, update or delete) using a raw SQL statement (INSERT, UPDATE, or DELETE). When ISqlModelMapper.SaveChanges method is called, the SQL statement will be executed.

Namespace: SnapObjects.Data

Assembly: SnapObjects.Data.dll

Syntax

  public ISqlModelMapper TrackSqlCUD(string sqlText, params object[] parameters);

Parameters

sqlText System.String

An SQL INSERT, UPDATE, or DELETE statement.

Use : or @ symbol at the beginning to represent the parameter required by the SQL statement.

parameters System.Object[]

The arguments required by the SQL statement. The order of arguments here must be the same as the order of arguments in sqlText.

Returns

SnapObjects.Data.ISqlModelMapper

Returns an ISqlModelMapper object, which can be used for executing other methods.

Examples

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

using System;

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

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

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

            // Update a record.
            var master = mapper.TrackSqlCUD("UPDATE OnlineCourse" +
                                            " SET URL =" +
                                            "'http://www.fineartschool.net/Poetry/test'" +
                                            " WHERE courseID = @id", 2030);

            var dbResult = master.SaveChanges();

            // Shows the saving result.
            Console.WriteLine("{0} records have been updated into the database.",
                              dbResult.AffectedCount);
        }
    }
}

Example Refer To

Model Class: OnlineCourse

Applies to

.NET Standard

2.x