public bool fnSayisal_Mi(string parVeri)
{
bool blnDonen_Deger = false;
if (string.IsNullOrEmpty(parVeri) == true)
{
blnDonen_Deger = false;
}
else
{
Regex desen = new Regex("^[0-9]*$");
blnDonen_Deger = desen.IsMatch(parVeri);
}
return blnDonen_Deger;
}


string strId = Request.QueryString["id"];
if (fn.fnSayisal_Mi(strIletisim_ID) == false)
{
Response.Write("Lürfen geçerli bir değer giriniz")
}
else
{

OleDbConnection baglanti = new OleDbConnection();
baglanti.ConnectionString = ("Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + Server.MapPath("~\\App_Data\\veri.accdb"));

baglanti.Open();
OleDbCommand sorgu = new OleDbCommand();
sorgu.CommandText = ("Select * from sayfa Where id=" + strId);
sorgu.Connection = baglanti;
OleDbDataReader oku;
oku = sorgu.ExecuteReader();
if (oku.HasRows)
{
while (oku.Read())
{
Baslik.Text = oku["baslik"].ToString();
Icerik.Text = oku["icerik"].ToString();
}
}
baglanti.Close();

}