public TelephoneModel GetOneBeforeTelephone(string beforeTelephone)
{
DataTable dt = new DataTable();
if (beforeTelephone.Equals(string.Empty) || beforeTelephone.Equals(""))
{
throw new ArgumentOutOfRangeException();
}
TelephoneModel telephoneModel = new TelephoneModel();
using (SqlCommand command = new SqlCommand())
{
dt = GetMultipleQuery(TelephoneStringsSql.GetOneBeforeTelephone(beforeTelephone));
}
foreach (DataRow ms in dt.Rows)
{
telephoneModel = TelephoneModel.ToObject(ms);
}
return(telephoneModel);
}
