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Change the way a field is rendered in XML for example, to render it as an attribute instead of an XML element by clicking in the leftmost column and selecting an item from the drop-down list. Create a relationship between two tables by selecting the two tables, pointing to Add on the Schemu menu, and then clicking Add Relation. (You can also reach this command from the shortcut menu of a table in the schema.) This command brings up the Edit Relation dialog box. Ensure that the relationship is between the primary key in the parent table and the foreign key in the child table and determine the behavior to be applied when a row in the parent table is modified or deleted. Enter all these values as shown in Figure 23-8, and click OK to enforce the relationship. The two tables will appear connected in the schema.

The syntax for declaring a class that inherits from another class is as follows:

Dim cn As New OleDbConnection(BiblioConnString) cn.Open() Create a DataAdapter that reads and writes the Publishers table.

Now, you have a quick way to check the settings of your Report Server without opening the configuration file.

Dim msg As String = "

As you have seen, you can use SQL Server Management Studio to analyse and fine tune T-SQL statements. However, it will not help you to find which queries are potentially inefficient in your database solution. If you are interested in identifying the different types of queries and T-SQL statements that are being executed by various client applications inside your particular environment, you will have to use a tool such as SQL Server Profiler.

Figure 19-8

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You can control many aspects of a table in the Table Properties dialog box, which you display by clicking the Properties button in the Table group on the Layout tab. You can set the following options:

class Circle : System.IComparable { ... public int CompareTo(object obj) { Circle circObj = (Circle)obj; // cast the parameter to its real type if (this.Area() == circObj.Area()) return 0; if (this.Area() > circObj.Area()) return 1;

I ll explain the meaning of other new properties such as IsCookieless, IsReadOnly, and Mode in the Session State section, later in this chapter.

project, those tasks might be the ones to suffer with cutbacks. You must weigh the benefits of decreasing the project duration against the potential downside of a deliverable of poorer quality.

38

<AttributeUsage(AttributeTargets.All)> _

Contains Web Parts assigned to the page, but not currently visible in browse or design view. Every Web Part Page has its own gallery. Developers can add optional Web Parts to this gallery without adding them to the page. In addition, closing a Web Part removes it from the Web Part Page and adds it to the page s Web Part Page Gallery.

Your screen looks like this:

DNS security is an important issue, and this discussion focuses on three areas:

public delegate void stopMachineryDelegate(); ... public stopMachineryDelegate StopMachinery { get { return this.stopMachinery; } set { this.stopMachinery = value; } }

If a user executing this DMV does not have the VIEW SERVER STATE permission on the server instance, the user will be able to see only queries executing in the current session.

On the Service Account page, click Use A Domain User Account. Enter ReportServer2000 as the user name, and then enter the account password that you created earlier in this chapter and enter the domain name.

sr.Close()

This query will be used to retrieve data from the defined data source for use in your report. The format of the query depends on the data source you selected. For this procedure, because you selected a Microsoft SQL Server data source, you use Transact-SQL to build your query. The query that you create is just one of several items stored in a dataset. As you learned earlier in this chapter, a dataset is a container for a pointer to the data source and the query you design. (You learn more about designing queries to create a dataset in 4.) In general, you can type a query directly into the Query String box, use the Edit button to open the Query Builder, or paste in a query that has been tested first in Query Analyzer or saved in a file. Click the Next button. When you click the Next button, the query is validated against the data source. If there is any problem, such as an invalid column name, an error message will be displayed in the bottom section of the Design The Query page. You will not be able to continue past this page of the wizard until you correct the error.

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