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Paradoxal Press
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Category: Programming
Level: Beginner to seasoned
900 pages
ISBN-10 097661322-0
ISBN-13 978-097661322-0
$59.99 USA
$79.99 CANADA
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Listing 20-2 extracted from chapter Transactions
Listing 20-1< > Listing 20-3
This listing can be compiled with the command line: csc.exe /target:exe Example_20_2.cs /r:System.Transactions.dll Errors: 0 Warnings: 0
Example_20_2.cs
using System.Data.Common;
using System.Data.SqlClient;
using System.Transactions;
class Program {
static void Main() {
string sCnx =
"server = localhost ; uid=sa ; pwd =; database = ORGANIZATION";
string sCmd1 =
"INSERT INTO DEPARTMENTS VALUES ('COM','Communication')";
string sCmd2 =
"INSERT INTO EMPLOYEES VALUES ('COM','Smith','Adam','(123) 456-7899')";
try {
using (TransactionScope txScope = new TransactionScope()) {
using (SqlConnection cnx = new SqlConnection(sCnx)) {
cnx.Open();
DbCommand cmd = new SqlCommand(sCmd1, cnx);
cmd.ExecuteNonQuery();
cmd.CommandText = sCmd2;
cmd.ExecuteNonQuery();
txScope.Complete();
} // end using cnx.
} // end using txScope, the transaction terminates here.
} catch {
// If an exception has been raised before or during the
// call to 'Complete()' data of the DB haven't been updated.
}
}
}
Copyright Patrick Smacchia 2006 2007
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