Bilgisi Olan Yardım Edebilirmi Acaba

 protected void Button1_Click(object sender, EventArgs e)
        {
            OleDbConnection baglanti = new OleDbConnection("Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + Server.MapPath("App_Data\\giris1.accdb"));
            baglanti.Open();
          
         OleDbCommand db_komut = new OleDbCommand("INSERT INTO kullanici(k_adres,k_telno) Values('"+TextBox1.Text+"','"+TextBox2.Text+"') where k_ad='"+Session["kullanici"]+ToString()+"'", baglanti);
            db_komut.ExecuteNonQuery();
            baglanti.Close();
        }
    }
}

System.Data.OleDb.OleDbException: 'Query input must contain at least one table or query.'

 db_komut.ExecuteNonQuery();