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To build the sample in Visual Studio 2005, change your directory to the install directory and enter sn -k keypair.snk at a .NET Framework or Visual Studio 2005 command prompt. From the File menu, choose Open, choose Project, and then open RemoveDuplicates.sln in the desired solution directory. Press F5 or select Start from the Debug menu to compile and run the project. To build the sample using the command-line compiler, change the directory to the sample directory and enter sn -k keypair.snk at a .NET Framework or Visual Studio 2005 command prompt. Change the directory to the desired solution directory, and type the following command to build either the C# or the Visual Basic version of the sample:

Figure 5-38

Note Not all networks use WINS servers. WINS integration is necessary only if the network includes computers running older operating systems.

The second issue is one of notification. There is no way to tell by looking at a form which field has an error and which doesn t if the only place where the error message is recorded is the tool tip. Which is a nice segue into the next feedback mechanism.

Description Gets the method that throws the current exception Gets the object that was wrapped by the RuntimeWrappedException object

Lesson Review . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 290

After you understand your data, you need to decide what your case is. Each case encapsulates all you know about the entity. Cases can be simple or complex, with nested tables in one or more columns. Traditionally, data mining techniques were used on a single table, but modern tools, such as SSAS 2008, support the use of nested tables. For example, with SSAS 2008, you can mine a customer list that is followed by a nested purchases table. If a nested table exists in the dataset, each nested key, such as a product in the purchases table, is considered an item. Nested tables are not relations; they are not in relational shape anymore, and thus, they are not allowed in the SQL Server relational Database Engine. When nested tables are queried from SQL Server, you have to flatten, or normalize, them into standard rowsets. With flattening, you are performing joins between parent and child tables. In understanding your data, you next need to decide how to handle outliers and missing values. Outliers are rare and far-out-of-bounds values in a column. They can have a big influence

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(Active Directory integrated only), specifying other DNS servers as authorita tive, setting aging and scavenging parameters, and modifying security (Active Directory integrated only).

Objects and Organizational Units (OUs)

HandleIncomingStream(message)

Namespace System.Data.SqlClient System.Data.OleDb System.Data.Odbc System.Data.OracleClient Object Name SQLConnection OleDbConnection OdbcConnection OracleConnection

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the material in this lesson before beginning the next lesson. You can find answers to these questions in the Questions and Answers section at the end of this chapter. 1. What is encryption and what is the EFS

By default, no content download jobs are configured on ISA Server when you enable caching. You can configure a content download job to download all content or some of the content from a specific Web site. To configure a content download job, complete the following procedure: 1. In ISA Server Management, expand Configuration, click Cache and then select the Content Download Jobs tab. 2. Click Schedule A Content Download Job. If this is the first time you are enabling a content download job, you will receive a message stating the requirements for enabling schedule download jobs. The following two requirements must be met to enable content download jobs:

' VB Function IsContainerValid(ByVal container As Control, _ ByVal errorProvider As ErrorProvider) As Boolean Dim ctl As Control Dim Result As Boolean For Each ctl In GetAllControls(container) If ctl.HasChildren() Then Result = IsContainerValid(ctl, errorProvider) Else Result = String.IsNullOrEmpty(errorProvider.GetError(ctl)) End If If Not Result Then Exit For End If Next Return Result End Function // C# private bool isContainerValid(Control container, ErrorProvider errorProvider) { Control ctl; bool result = false; foreach (Control ctl in GetAllControls(container)) { if (ctl.HasChildren()) result = IsContainerValid(ctl, errorProvider); else result = String.IsNullOrEmpty(errorProvider.GetError(ctl)); if (!result) continue; } return result; }

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