ASP.NET PDF Viewer using C#, VB/NET

Shows the session ID, request type, time of request, status code, and request/response encoding for the request Shows the various page life cycle events and the time spent on processing each Shows each server control, its type, render size, view state size, and control state size in a parent-children tree Shows the various keys, their associated values, and their types defined in the page s session state Shows the various keys, their associated values, and their types defined in the server s application state Shows the name/value/size of each cookie Shows the name and value of each page header Shows the name and value for the server response Shows the various server variables and their values at the time of processing

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Configuration of a queued component can take a long time. Since you re relying on lazy registration (see the Configuration section a bit later in this chapter), your first block of code creates an instance of the type specifically for the purpose of registering it in COM+. You then declare an instance of the IQueuable interface and instantiate by using the Marshal.BindToMoniker method. This method lives in the System.Runtime.InteropServices namespace, which must be imported with a using statement. The string passed to it has the fully qualified name of the type built into the tail end of it, which is how the BindToMoniker method knows the proper type to create. The Serviced Component infrastructure takes care of the rest. Your code proceeds to call the executeSQL method 99 times. These method calls do not wait for the work of the insert statements to get done. Execution continues (and in our case, the application terminates) while the database work is picked up off the queue by the COM+ listener and executes asynchronously independently from our application. The last thing you do is explicitly destroy the COM object by calling ReleaseComObject (another static method on the Marshal type).

In this section, we ll create the schema elements on which our example JDBC programs, demonstrating access of collections of built-in types as weakly typed objects, will work. We begin by creating a simple varray of varchar2 elements called varray_of_varchars: benchmark@ORA10G> create or replace type varray_of_varchars as 2 varray(20) of varchar2(50); 3 / Type created.

In the previous sections, you saw various server controls triggering events, submitting pages with form data, validating input controls, and so on. These all involve events. ASP.NET has an event-driven architecture: each web form and server control supports a number of events that it can respond to, and these events can be attached to various event handlers. As you would expect, these events fall in two different categories: page and control events, respectively. Consider what happens as we interact with a simple SayHello.aspx page that has a text box for a name, an empty label, and a submit button: 1. First, an HTTP GET request is made for SayHello.aspx to the server. 2. On receiving this request, the server processes the page (doing compilation if necessary), calls the appropriate page event handlers (Page_Load, and so on), and ultimately returns an HTML response. 3. This HTML response, along with the state/content of the HTML controls (the view state: an empty text box and label), is sent back to the browser, and the page is displayed. 4. We now fill in our name and click the submit button. This causes the form containing the text box and button controls to post back to the server, passing the view state with it.

SqlContext.Pipe.ExecuteAndSend(cmd); } } }; In this example, you create the SqlConnection and SqlCommand much like you normally would. However, note the connection string passed to the SqlConnection constructor. Since this code is running within the SQL Server process, you simply use the "context connection=true" setting to connect to that SQL Server instance. Once the connection and command are established, the code uses the SqlPipe.ExecuteAndSend() to execute the command and return the results to the caller.