Please look into following code:
using (OleDbConnection openCon = new OleDbConnection(ConfigurationManager.AppSettings[\"AccessConnectioString\"])) {
Try ExecuteScalar() method
ExecuteScalar()
Replace This:
OleDbDataReader dr1 = qtc.ExecuteReader(); while (dr1.Read()) { ttCnt = (int)dr1["Count"]; }
With This:
ttCnt = Convert.ToInt32(qtc.ExecuteScalar());