public List <Registro> Listar()
{
var regs = new List <Registro>();
try
{
using (var ctx = new TextContext())
{
regs = ctx.registro.ToList();
}
}
catch (Exception e)
{
throw;
}
return(regs);
}
public Registro Obtener(int id)
{
var reg = new Registro();
try
{
using (var ctx = new TextContext())
{
reg = ctx.registro.Where(x => x.id == id).SingleOrDefault();
}
}
catch (Exception)
{
throw;
}
return(reg);
}
public void Eliminar(int id)
{
try
{
using (var ctx = new TextContext())
{
ctx.Entry(new Registro {
id = id
}).State = EntityState.Deleted;
ctx.SaveChanges();
}
}
catch (Exception)
{
throw;
}
}
public void Guardar(Registro reg)
{
try
{
using (var ctx = new TextContext())
{
if (reg.id > 0)
{
ctx.Entry(reg).State = EntityState.Modified;
}
else
{
ctx.Entry(reg).State = EntityState.Added;
}
ctx.SaveChanges();
}
}
catch (Exception e)
{
throw;
}
}
