public TelephoneModel UpdateTelephone(TelephoneModel telephoneModel)
{
int i = -1;
using (OleDbCommand command = new OleDbCommand())
{
i = ExecuteNonQuery(TelephoneStringsInner.UpdateTelephone(telephoneModel));
}
return(GetOneBeforeTelephone(telephoneModel.beforeTelephone));
}
public int DeleteTelephone(string beforeTelephone)
{
int i = 0;
using (OleDbCommand command = new OleDbCommand())
{
i = ExecuteNonQuery(TelephoneStringsInner.DeleteTelephone(beforeTelephone));
}
return(i);
}
public List <TelephoneModel> GetAllTelephones()
{
DataTable dt = new DataTable();
using (OleDbCommand command = new OleDbCommand())
{
dt = GetMultipleQuery(TelephoneStringsInner.GetAllTelephones());
}
List <TelephoneModel> arrTelephone = new List <TelephoneModel>();
foreach (DataRow ms in dt.Rows)
{
arrTelephone.Add(TelephoneModel.ToObject(ms));
}
return(arrTelephone);
}
public TelephoneModel GetOneBeforeTelephone(string beforeTelephone)
{
DataTable dt = new DataTable();
if (beforeTelephone.Equals(string.Empty) || beforeTelephone.Equals(""))
{
throw new ArgumentOutOfRangeException();
}
TelephoneModel telephoneModel = new TelephoneModel();
using (OleDbCommand command = new OleDbCommand())
{
dt = GetMultipleQuery(TelephoneStringsInner.GetOneBeforeTelephone(beforeTelephone));
}
foreach (DataRow ms in dt.Rows)
{
telephoneModel = TelephoneModel.ToObject(ms);
}
return(telephoneModel);
}