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The processAction() method of the ToDoListPortlet class processes requests created by links or forms in the JSP pages. For our portlet, these requests can have a command, which tells the portlet to carry out some operation on the user s data. In the to-do list portlet, these commands are NEW, DELETE, EDIT, MARK_ FINISHED, and MARK_UNFINISHED. All of these commands would be passed in an action request in a parameter named COMMAND. The portlet retrieves the current user s session, if it exists, and if one doesn t exist, it creates a new one to use. If the data list exists, the portlet pulls that out of the session; if it doesn t exist, the portlet creates a new data list. The portlet then checks the request parameter named COMMAND for an action to take. If it finds an action, it executes that action. At the end of the method, the modified list is placed back in the user s session, where it can be found by the JSP pages. Here is the processAction() method from the portlet class. At the end of the chapter, you ll find a full listing of all of the source code in this class. asp.net qr code generator QR Code C# SDK - KeepAutomation.com
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Hi,. Here is an project that builds QR generator using a free barcode api in C#, you can translate to VB . NET and create your own Qr code ... Once you ve done this, Visual Studio will create a new ASP.NET Web Application project that is configured to use the ASP.NET extensions. You ll notice a couple of new things. First are the AJAX Extensions controls in the Toolbox (see Figure 12-6). These allow you to provide Ajax functionality in an ASP.NET development environment. free qr code generator in vb.net Dynamically Generating QR Codes In C# - CodeGuru
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QRCoder is a simple library , written in C#. NET , which enables you to create QR Codes . ... NET 4.0 (unfortunately release 1.3.4 was only compatable with . public void processAction(ActionRequest request, ActionResponse response) throws PortletException, IOException { //retrieve the to do list out of the user's session PortletSession session = request.getPortletSession(true); //the to do list is just stored as an ArrayList here, because //we are not going to persist it to a database or other storage. ArrayList list = (ArrayList) session.getAttribute("ToDoList", PortletSession.APPLICATION_SCOPE); //if the list doesn't exist, create an empty one. if (list == null) { list = new ArrayList(); } //set up a very simple controller here, based on a //request parameter called COMMAND String command = request.getParameter("COMMAND"); String itemParam = request.getParameter("ITEM_ID"); Figure 5-2. Adding a new XSD schema to your project After you have added an XML schema, you will be presented with a canvas on which you can visually design the schema. The toolbox of Visual Studio will now show a node titled XML Schema, as shown in Figure 5-3. In addition, you ll see that the Default.aspx file created by the template will have a ScriptManager on it (see Figure 12-7). qr code generator asp net c# QR Code Generator - MSDN - Microsoft
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NET QR Code Generator Library SDK. Integration & Developer Guide of QR Code Barcode Generation in VB . NET . Download .NET Barcode Generator Free ... int itemId = -1; if (itemParam != null) { itemId = Integer.parseInt(itemParam); } if ("MARK_FINISHED".equals(command)) { ToDoItemBean item = (ToDoItemBean) list.get(itemId); item.setStatus(true); } else if ("DELETE".equals(command)) { list.remove(itemId); } else if ("MARK_UNFINISHED".equals(command)) { ToDoItemBean item = (ToDoItemBean) list.get(itemId); item.setStatus(false); } else if ("EDIT".equals(command)) { ToDoItemBean item = (ToDoItemBean) list.get(itemId); String desc = request.getParameter("DESCRIPTION"); item.setDescription(desc); String priority = request.getParameter("PRIORITY"); if (priority != null) { try { int p = Integer.parseInt(priority); item.setPriority(p); } catch (NumberFormatException nfe) { getPortletContext().log( "Error trying to format " + priority + " as a number."); } } } Figure 5-3. The XML Schema toolbox of Visual Studio As you can see in Figure 5-3, many of the schema parts that we discussed previously (simple type, complex type, element, attribute, and so on) are available in the toolbox. To begin creating the schema, drag and drop three simple types to the designer, and set their properties as shown in Figure 5-4. 5 Now take a look at the source code for the default page you ll see the following, including the new <asp:ScriptManager> reference: else if ("NEW".equals(command)) { ToDoItemBean item = new ToDoItemBean(); String desc = request.getParameter("DESCRIPTION"); if (desc == null) { return; } item.setDescription(desc); item.setStatus(false); item.setSubmittedDate(new java.util.Date()); item.setPriority(0); list.add(item); } session.setAttribute("ToDoList", list, PortletSession.APPLICATION_SCOPE); } Figure 5-4. Creating simple types in Visual Studio For each simple type, you need to specify its name and data type. You can then right-click the individual simple type and choose Add New Facet. For NameSimpleType the facets are minLength and maxLength and have values of 3 and 255, respectively. The PhoneSimpleType simple type contains just one facet, maxLength, which is set to 20. Finally, NotesSimpleType contains the maxLength facet maxLength, which is set to 500. You can also open the properties window by selecting each simple type and set the values there. Now drag and drop a complexType onto the designer. You need to design it as shown in Figure 5-5. <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="Example1._Default" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server"> <title>Untitled Page</title> </head> <body> <form id="form1" runat="server"> <asp:ScriptManager ID="ScriptManager1" runat="server" /> <div> </div> </form> </body> </html> asp.net c# qr code generator QR code API - QR Code Generator
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