private void button1_Click(object sender, EventArgs e)
{
form_transfer transfer = new form_transfer();
form_transfer.Origen = "E";
transfer.MdiParent = this.MdiParent;
transfer.Show();
}
private void dtTraspasos_CellDoubleClick(object sender, DataGridViewCellEventArgs e)
{
int selectedrowindex = dtTraspasos.SelectedCells[0].RowIndex;
DataGridViewRow selectedRow = dtTraspasos.Rows[selectedrowindex];
string codigo = Convert.ToString(selectedRow.Cells["id"].Value);
form_transfer trasfer = new form_transfer();
form_transfer.id_transfer = Convert.ToInt32(codigo);
trasfer.Show(this);
}