private void Show_exist_files()
{
if (cbTypeSample.EditValue != null && cbCompany.EditValue != null)
{
Reception oReception = new Reception();
repAttach_file.DataSource = oReception.GetLstExistFiles(Convert.ToInt16(cbCompany.EditValue), cbTypeSample.EditValue.ToString());
repAttach_file.DisplayMember = "Name_file";
repAttach_file.ValueMember = "Idrecep_sample_attach";
}
}