OleDbConnection con = new OleDbConnection();
con.ConnectionString =     ConfigurationManager.ConnectionStrings["Connection"].ToString();
con.Open();
OleDbCommand cmd = new OleDbCommand();
cmd.CommandText = "SELECT UserName, Password, ID FROM AdminLogin WHERE UserName='" + txtUserName.Text + "' AND Password='" + txtPassword.Password + "' COLLATE SQL_Latin1_General_CP1_CI_AS";
cmd.Connection = con;
OleDbDataReader rd = cmd.ExecuteReader();