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1 You have been asked to debug a Web-based ASPNET application For some reason, the debugging information is not presented What could be missing A <%@ Page Debug="true" %> B <%@ Application Debug="true" %> C <%@ Page Trace="true" %> D <%@ Application Trace="true" %> 2 You want to examine and change the value of a variable in your C# application You are developing using Visual Studio NET What window will allow you to change the value during execution A Locals window B Call Stack window C Immediate window D Watch window 3 You want to compile a console-based program at the command line What is the correct syntax of the command-line compiler that will allow you to see debugging information A csc /b:debug MyAppcs B csc /d:debug MyAppcs C csc MyAppcs /b:debug D csc MyAppcs /d:debug
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9: Debugging and Testing
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4 Trace switches can be set using which class A SystemDiagnosticsTrace B SystemDiagnosticsDefaultTraceListener C SystemDiagnosticsTraceSwitches D SystemDiagnosticsTraceSwitch 5 The correct syntax for adding a trace listener to the Listeners collection is: A TraceListenersAdd (new TextWriterTraceListener("myfiletxt"); B TraceListenersAdd (new TextWriterTraceListener("myfiletxt"); C TraceAdd (new TraceListener ("myfiletxt"); D TraceListenerAdd (new TraceListener("myfiletxt"); 6 To debug an ASPNET application, you need to attach to which process A aspnetexe B aspnetexe C aspnet_debugexe D aspnet_wpexe 7 How would you create a breakpoint in your code within Visual Studio NET A Press F9 B Right-click in the margin and select Insert Breakpoint C Choose Debug | New Breakpoint from the menu system D All of the above E None of the above PART II
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1 A 2 C The Immediate window allows you to set the value of variables during execution 3 C 4 C 5 B 6 D 7 D
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CHAPTER
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In this chapter, you will Access and manipulate data from a Microsoft SQL Server database Learn to create and use ad hoc queries and stored procedures Access and manipulate data from a data store Use XML techniques with ADONET Handle data errors
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In this chapter you will be introduced to Microsoft s newest data-access technology: ADONET and the objects that make it tick Microsoft has placed a very heavy emphasis on the data-access components in all their language exams, including the Visual Basic and the Visual C++ exams For that reason, we will divide the data-access information into three parts This chapter will address a number of subjects that set the ground rules for accessing data, including examples of how to use the ADONET objects, and basic SQL syntax for retrieving and modifying data 16 will deal with the web-specific data-access operations, 20 will handle the Windows application-specific issues and 29 will focus on data usage for the XML services In this chapter, we will first look at the basics of ADONET, accessing data (using SQL), and connecting to data providers Then we ll look at how this is all done from C#
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ADONET
ADONET is a group of classes that are used to access data, and it is at the center of the NET Framework As these classes are part of the NET Framework, they also make use of the CTS and CLR and common XML support One of the purposes of the ADONET classes is to provide an architecture for building scalable robust enterprise applications, without adding too much overhead ADONET does this by providing an application architecture that provides recordsets that are disconnected from the data store, which is a natural for multi-tier Application models Because XML is the language that ADONET uses to move data between components, and
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XML can be used as a data source as well as for data output, it is safe to say that ADONET is very tightly coupled to XML In this section we will look at the benefits of ADONET, and the object model provided by ADONET, which supports applications from the smallest to the largest enterprise systems
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