miércoles, 4 de octubre de 2017

CRUD Entity Framework C#

Link artículo

Ejemplo Entity Framework CRUD

using System.Linq;
using System.Web.Mvc;
using ExampleCodeFirstApproch.Models;
namespace ExampleCFA.Controllers
{
public class StudentController : Controller
{
SchoolContext objContext;
public StudentController()
{
objContext = new SchoolContext();
}
#region List and Details Students
public ActionResult Index()
{
var studs = objContext.Students.ToList();
return View(studs);
}
public ViewResult Details(int id)
{
Student stud = objContext.Students.Where(x=>x.StudentId==id).SingleOrDefault();
return View(stud);
}
#endregion
#region Create Student
public ActionResult Create()
{
return View(new Student());
}
[HttpPost]
public ActionResult Create(Student stud)
{
objContext.Students.Add(stud);
objContext.SaveChanges();
return RedirectToAction("Index");
}
#endregion
#region Edit Student
public ActionResult Edit(int id)
{
Student stud = objContext.Students.Where(x => x.StudentId == id).SingleOrDefault();
return View(stud);
}
[HttpPost]
public ActionResult Edit(Student model)
{
Student stud = objContext.Students.Where(x => x.StudentId == model.StudentId).SingleOrDefault();
if (stud != null)
{
objContext.Entry(stud).CurrentValues.SetValues(model);
objContext.SaveChanges();
return RedirectToAction("Index");
}
return View(stud);
}
#endregion
#region Delete Student
public ActionResult Delete(int id)
{
Student stud = objContext.Students.Find(id);
return View(book);
}
[HttpPost]
public ActionResult Delete(int id, Student model)
{
var stud = objContext.Students.Where(x => x.StudentId == id).SingleOrDefault();
if (stud != null)
{
objContext.Students.Remove(stud);
objContext.SaveChanges();
}
return RedirectToAction("Index");
}
#endregion
}
}

martes, 3 de octubre de 2017

Copiar dlls dinámicamente Pre-Builld Post-Build

Link artículo

lunes, 2 de octubre de 2017

C# Trace a través de Event Viewer EventLog

Link artículo

using (EventLog eventLog = new EventLog("Application"))

{

eventLog.Source = "Application";

eventLog.WriteEntry("Log message example", EventLogEntryType.Information, 101, 1);

}

https://carldesouza.com/write-windows-event-viewer-c/

WRITE TO WINDOWS EVENT VIEWER FROM C#

October 18, 2017 1 Comment

First, create a new console app:

Next, add:

using System.Diagnostics;

Notice the Event Viewer in Windows has several areas:

Windows Logs, which are:
- Application
- Security
- Setup
- System
- Forwarded Events

And within each log, there are:

Keywords
Date and Time
Source
Event Id
Task Category

To write to the application log, use the code:

        static void Main(string[] args)
        {
            string Event = "Application has started";

            using (EventLog eventLog = new EventLog("Application"))
            {
                eventLog.Source = "Application";
                eventLog.WriteEntry(Event, EventLogEntryType.Information);
            }
        }

This will write to the Application log. Note the event id is not found for the new application:

In order to create a new log in the event viewer, use the code below:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Diagnostics;
 
namespace Carl.EventViewerTest
{
    class Program
    {
        static void Main(string[] args)
        {
            string Event = "Application has started";
            string Source = "My App";
            string Log = "App";
 
            if (!EventLog.SourceExists(Source))
                EventLog.CreateEventSource(Source, Log);
 
            using (EventLog eventLog = new EventLog("App"))
            {
                eventLog.Source = "My App";
                eventLog.WriteEntry(Event, EventLogEntryType.Information);
            }
        }
    }
}

Notice there is a new log, “App” created under Applications and Service Logs:

THANKS FOR READING. BEFORE YOU LEAVE, I NEED YOUR HELP.

viernes, 29 de septiembre de 2017

Cómo crear un repositorio local en NuGet (CreateNewNuGetPackageFromProjectAfterEachBuild )

Link de artículo

¿Qué es un archivo nupkg y cómo puedo abrir un archivo nupkg ?

NUPKG archivos son utilizados por NuGet, una extensión para Microsoft Visual Studio que proporciona una interfaz para la gestión de bibliotecas de terceros para proyectos de NET. Contienen empaquetados código fuente que se puede utilizar para el desarrollo de componentes del programa. NUPKG archivos se construyen a partir de archivos NUSPEC, que a su vez se construyen a partir de conjuntos de DLL.