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CHAPTER 9 ■ USING TRANSACTIONS IN WCF 291ramrameshreddy.blog.com}}Console.WriteLine(" Logging Trade to database:{0}", recordText);conn.Close();}}elseConsole.WriteLine("Noting row: {0}", recordText);Next you can modify the App.config file for the service host in order to ensure that alltransactions are passed on to the QuickReturns Ltd. trade service. The console-based servicehost does not require any modifications, since the host service itself does not change. You willbe calculating the trade value and returning this to the client, as well as logging the trade intothe TradeService database. This is a simple database with a log table, which has an identityfield and the log field. Both the transactions are occurring within a transaction scope and willfail or succeed as a single unit, as shown in Listing 9-10.Listing 9-10. Modifying the Host App.config FileNow that you have established the database connectivity for the logging, you can modifythe attributes. In Listing 9-11, you will be configuring the bindings of the service touse the WS-Atomic transaction protocol.Listing 9-11. Setting the WSAtomicTransaction Binding Configuration in App.configramrameshreddyramrameshreddy
amrameshreddy.blog.com292 CHAPTER 9 ■ USING TRANSACTIONS IN WCFramrameshreddy.blog.comIn Listing 9-12, you will continue to modify App.config so that it utilizes thetransactionFlow and sets it to true.Listing 9-12. Configuring Transaction Flowramrameshreddyramrameshreddy
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amrameshreddy.blog.comTHE EXPERT’
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amrameshreddy.blog.comPro WCF: Prac
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amrameshreddy.blog.comramrameshredd
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amrameshreddy.blog.comApplying Beha
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amrameshreddy.blog.comxii ■CONTEN
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amrameshreddy.blog.comxiv ■CONTEN
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amrameshreddy.blog.comxviii ■FORE
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amrameshreddy.blog.comxx ■ABOUT T
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amrameshreddy.blog.comxxviii ■INT
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amrameshreddy.blog.com4 CHAPTER 1
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amrameshreddy.blog.com426 APPENDIX
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amrameshreddy.blog.com456 ■INDEXr
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