.net core barcode reader

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VPN servers are reachable from the Internet by using the Ping tool to ping the name or address of your VPN server with a 5-second timeout (using the -w command line option) when directly connected to the Internet. If you see a Destination unreachable error message, the VPN server is not reachable.

Recall that we added this condition in step 9. We also set the FileName property of the search condition to Nothing.ini in step 8, which is why this error is being thrown.

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Click Yes. You will be taken to the InstallUrl set as part of the condition. Return to Visual Studio. Open the Launch Conditions editor for the Web Setup Project.

packet filtering for PPTP traffic, L2TP/IPSec traffic, or both types of traffic on the appropriate firewall and VPN server interfaces connecting to the Internet and the perimeter network. For more information, see Appendix B, Config uring Firewalls for VPN.

Figure 8-1: A list box populated with the MyEnumerator class as its data source Figure 8-2: The class hierarchy of ADO.NET Figure 8-3: Results returned from running the code in Listings 8-2 and 8-3 Figure 8-4: The exception information displayed by SimpleExecuteNonQuery.aspx when you insert a record that already exists Figure 8-5: Results from SimpleSPSelect.aspx, showing the most expensive products, returned from a stored procedure Figure 8-6: The Territories table from Northwind saved in an XML file by SimpleXML.FileSave.aspx.cs

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Select Search For Browscap under Search Target Machine. View the Properties window. Change the FileName property to look for the file browscap.ini. Rebuild the Web Setup Project (right-click and select Rebuild). Return to the directory in which the MSI file exists. Rerun the MSI file. This time, the computer should meet the setup requirements because the Browscap.ini file exists in the Windows folder.

In most cases, you want to reference the VPN server by name rather than by an IP address, as names are much easier to remember. You can use a name (for example, VPN1.example.microsoft.com) as long as the name can be resolved to an IP

Depending on your environment, you might run into additional issues. If, for example, you are running Windows Vista and IIS 7.0, you need an IIS 6-compatible metabase for the IIS condition to validate. You can tweak the condition or add the IIS 6 metabase to IIS 7.0 from Control Panel (classic view) | Programs And Features | Turn Windows Feature On Or Off | Internet Information Services | Web Management Tools | IIS 6 Management Compatibility. Another issue is security in Windows Vista and Windows 7. You might have to run the Setup.exe file (and not the MSI file) by right-clicking Setup.exe and selecting Run As Administrator.

On the Select Installation Address page, notice that you have the opportunity to select the website, virtual directory, and application pool. Choose a unique virtual directory name and make note of it. Click Next. Finish walking through the installation steps. Open the Internet Information Services console (Control Panel | Administrative Tools | Internet Information Services [IIS] Manager). Find the virtual directory in which you installed the website. Verify that the pages, code-behind files, and images exist.

Figure 9-1: The page produced by GridTest.aspx, showing a simple ASP.NET data grid Figure 9-2: GridTest.aspx, showing a row in edit mode Figure 9-3: GridTest.aspx in design mode in Visual Studio .NET

address. Therefore, you must ensure that whatever name you are using for your VPN servers when configuring a VPN connection can be resolved to an IP address using the Internet DNS infrastructure. When you use names rather than addresses, you can also take advantage of DNS round-robin load balancing if you have multiple VPN servers with the same name. Within DNS, you can create multiple records that resolve a specific name to different IP addresses. In this situation, DNS servers send back all the addresses in response to a DNS name query and cycle the order of the addresses for successive queries. Because most DNS clients use the first address in the DNS query response, the result is that VPN client connections are on average spread across the VPN servers.

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As you can see, deploying a website can be as easy as installing a Windows Forms application. Although this process takes you through a manual installation of a Windows Installer package, you can also deploy the MSI file in an automated manner.

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