IronZip License Setup in web.config
This issue is known to affect IronZip versions released before 2024.3.3.
Exception: Unhandled exception. IronSoftware.Exceptions.LicensingException: IronZip must be licensed for development.For older IronZIP versions, specifically those released before version 2024.3.3, there is a known licensing issue in:
- ASP.NET projects
- .NET Framework version >= 4.6.2
The key stored in a Web.config file will NOT be picked up and used by the product.
Workaround
To address this issue, it is recommended to retrieve the license key from the Web.config file using ConfigurationManager in the code, and then apply it to the License.LicenseKey property.
Example:
<configuration>
...
<appSettings>
<add key="IronZip.LicenseKey" value="IRONZIP.MYLICENSE.KEY.1EF01"/>
</appSettings>
...
</configuration>With the XML file provided above, we can use ConfigurationManager to retrieve the license key value and pass it to the IronZip.License.LicenseKey property.
using System;
using System.Configuration;
class Program
{
static void Main()
{
// Retrieve the license key from the web.config appSettings
string licenseKey = ConfigurationManager.AppSettings["IronZip.LicenseKey"];
// Apply the license key to IronZip
IronZip.License.LicenseKey = licenseKey;
// Verify that the license key is set properly
Console.WriteLine("License key applied successfully.");
}
}Imports System
Imports System.Configuration
Friend Class Program
Shared Sub Main()
' Retrieve the license key from the web.config appSettings
Dim licenseKey As String = ConfigurationManager.AppSettings("IronZip.LicenseKey")
' Apply the license key to IronZip
IronZip.License.LicenseKey = licenseKey
' Verify that the license key is set properly
Console.WriteLine("License key applied successfully.")
End Sub
End ClassImports System
Imports System.Configuration
Friend Class Program
Shared Sub Main()
' Retrieve the license key from the web.config appSettings
Dim licenseKey As String = ConfigurationManager.AppSettings("IronZip.LicenseKey")
' Apply the license key to IronZip
IronZip.License.LicenseKey = licenseKey
' Verify that the license key is set properly
Console.WriteLine("License key applied successfully.")
End Sub
End Class- The
using System.Configuration;directive allows access to configuration files, such asWeb.config. ConfigurationManager.AppSettings["IronZip.LicenseKey"]retrieves the license key stored in theappSettingssection ofWeb.config.IronZip.License.LicenseKey = licenseKey;assigns the retrieved key to the IronZIP library to avoid licensing exceptions.- The
Console.WriteLine()statement provides feedback to the developer that the license key application process is completed successfully.
Curtis Chau holds a Bachelor’s degree in Computer Science (Carleton University) and specializes in front-end development with expertise in Node.js, TypeScript, JavaScript, and React. Passionate about crafting intuitive and aesthetically pleasing user interfaces, Curtis enjoys working with modern frameworks and creating well-structured, visually appealing manuals.
