Simple .NET/ASP.NET PDF document editor web control SDK

config at the root of a web server, or you can add modules to specific applications by adding them to the webconfig at the virtual root of an application Under the systemweb element of the webconfig is an HttpModules element Any number of modules can be added using child Add elements under the HttpModules element Here s a configuration snippet that adds the module SomeModule <httpModules> <add name="SomeModule" type="ModuleDocSomeModule,ModuleDoc"/> </httpModules> The type attribute is of the format TypeName, AssemblyName The assembly containing this type should be present in the bin directory of the application using the module Creating a module is merely a matter of implementing the IHttpModule interface When you add a type implementing this interface to the request processing pipeline, the Framework calls two methods on this interface: Init and Dispose.

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should enclose the directory name in double quotes when creating it: or replace the directory MY_DIR with

A fully qualified XML document (an instance of XDocument) contains meta-information such as declarations (added as a child XDeclaration object) and a DTD (added as a XDocumentType) and may contain various XML processing instructions (instances of XProcessingInstruction) Typically, you need an XDocument only if the XML you produce is exchanged with the external world (such as information passed through a web service, for instance); in any other case, you will be working with a collection of nested XElement objects These can have other XNode objects such as XText for storing text, which often represents binary data encoded using Base64 encoding mentioned in 10, or XComment for embedding comments On the other hand, XElements typically have attributes (XAttribute) key/value pairs, which are non-XNode objects Both the XElement names (the tag itself) and the XAttribute keys are XName objects.

These are the hooks to use for setting up and tearing down your module Here s the definition of the IHttpModule interface: public interface IHttpModule { public void Init(HttpApplication context); public void Dispose(); } Notice the argument passed to the Init method It s an instance of HttpApplication With this, the implementation of the module has access to all the details of the current request, and it can act on them in the same way a type derived from HttpApplication can It s usually a good idea to squirrel away a reference to this context argument in a class level variable so you have access to it from your event traps Which events you trap depends on what the module is intended to do All HttpApplication class events are available From the Init method, these events can be sunk using the instance passed in as an argument..

The first step is to open the file using the dbms_lob.fileopen() function: 12 dbms_lob.fileopen( l_bfile );

The easiest way to construct an XML document is to simply call the Parse method of the XDocument or XElement class on a string: open SystemXmlLinq let xml = "<contacts> <contact> <name>John Smith</name> <phone type=\"home\">+1 626-123-4321</phone> </contact> </contacts>" let doc = XDocumentParse xml LinqToXml makes functional construction of XML possible This is done by making all XML constituents first-class values that can be created and embedded in each other The functional construction also requires that we treat these values uniformly Let s assume we create a few shorthand functions for various XML constructors:.

Next, we use the dbms_lob.loadfromfile() function to load the file into our BLOB variable as follows: 14 15 dbms_lob.loadfromfile( l_blob, l_bfile, dbms_lob.getlength( l_bfile) ); We now close the file: 17 dbms_lob.fileclose( l_bfile );

In the same project where you created the reusable HttpApplication derived type, add a class file named MyHttpModule, add a using System.Web declaration, and declare it as implementing the IHttpModule interface. In Visual Studio .NET 2005, there s a handy shortcut for implementing the interface. Hover around the name of the interface until you see a bar under the I. This is called a Smart Tag. These are peppered throughout Visual Studio .NET 2005, and can be handy in a number of contexts. Click this and some choices appear, as shown in Figure 2-10.

open System.Xml.Linq let let let let let xname n = XName.op_Implicit(n) xdoc (el : #seq<XElement>) = new XDocument(Array.map box (Array.of_seq el)) xelem s el = new XElement(xname s, box el) xatt a b = new XAttribute(xname a, b) |> box xstr s = box s Using these functions, we can construct the XML from the beginning of this section as follows: let doc = xdoc [ xelem "contacts" [ xelem "contact" [ (xelem "name" (xstr "John Smith")) (xelem "phone" [ xatt "type" "home" xstr "+1 626-123-4321" ]) ] ] ] This also includes the default document header (< xml version="1.0" encoding="utf-8" >). If this header is not needed, you can simply omit the top-level call to xdoc.