how can save a list in entity framework code first

Question

I have a dictionary detalles var movimiento_det = new MovimientoDet(); //

   foreach (var detalle in detalles)
                            {
                                movimiento_det.MovimientoDetId =   G.Serial("movimiento_det"); // get me the id of the entity
                                movimiento_det.MovimientoDetId= i;
                                movimiento_det.ProductoId = detalle.Value.ProductoId;
                                movimiento_det.Cantidad = detalle.Value.Cantidad;
                                Vmsb.MovimientoDets.Add(movimiento_det);
                            }
                            Vmsb.SaveChanges();

I want to save all values of the dictonary but it just saving to the database the last data in the foreach how can i do to save all the data

using ef5, and vs2012

Antarr Byrd · Accepted Answer · 2012-09-04 15:07:22Z

2

From what I what is can see movimiento_det is a single object. Each iteration only updates that object. You need to create a new object over each iteration and modify that object.

foreach (var detalle in detalles)
{
    var movimiento_det = new MovimientoDet();
    movimiento_det.MovimientoDetId =   G.Serial("movimiento_det"); 
    movimiento_det.MovimientoDetId= i;
    movimiento_det.ProductoId = detalle.Value.ProductoId;
    movimiento_det.Cantidad = detalle.Value.Cantidad;
    Vmsb.MovimientoDets.Add(movimiento_det);
}
Vmsb.SaveChanges();

answered Sep 4, 2012 at 15:07

Antarr Byrd

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