// Assume you have a valid license key string licenseKey = "YOUR_LICENSE_KEY_HERE";
Ensure the version of the DLL matches the version your key is valid for. Clean and Rebuild your solution. Hope this saves someone a headache today! Key Technical Details to Include: Xceed.Words.NET Property: Licenser.LicenseKey Requirement: Must be set before creating a DocX instance.
In modern ASP.NET Core or .NET 6+ projects, place the license assignment in Program.cs before building the host. Obtaining a License Key xceed.words.net.licenser.licensekey
Proper placement of the license key is essential to prevent runtime license exceptions. 1. Identify the Entry Point
For WPF applications, the recommended location is the OnStartup override in App.xaml.cs or the constructor of your MainWindow . // Assume you have a valid license key
) are instantiated or used. If omitted, an exception will be thrown at runtime. C# Example (Console/Desktop) Set the key in your method or application startup event: Xceed.Words.NET; [] args ) { // Set the license key here Xceed.Words.NET.Licenser.LicenseKey = "WDNXX-XXXXX-XXXXX-XXXX" // Now you can use the product (DocX document = DocX.Create( "Sample.docx" Use code with caution. Copied to clipboard ASP.NET Core / Program.cs Set the key at the beginning of Program.cs before any usage: Xceed.Words.NET; // ... other setup Xceed.Words.NET.Licenser.LicenseKey = "WDNXX-XXXXX-XXXXX-XXXX" Use code with caution. Copied to clipboard 3. Key Usage Rules Placement: Set it once, early in the application lifecycle (e.g., App.xaml.cs for Console).
Avoid hardcoding the key directly in public repositories. Consider using environment variables or a secure configuration manager (like User Secrets or Azure Key Vault) to store and retrieve the string. Key Technical Details to Include: Xceed
If you have applied a license key but your output .docx files still contain evaluation text, the library is likely initializing document generation before the license key assignment line is reached.
The best defense is to set the LicenseKey property as early as possible. Doing so ensures that all subsequent calls to the library’s methods are properly licensed.
The property belongs to the Xceed.Words.NET namespace (or Xceed.Document.NET depending on the specific version and package structure you are utilizing).
Xceed Words for .NET is a .NET library developed by Xceed Software Inc. It allows .NET developers to create, modify, and manipulate Word documents (.docx) without requiring Microsoft Office to be installed on the machine. The library provides a comprehensive set of APIs for adding content, formatting text, inserting images, and much more, making it a powerful tool for generating dynamic Word documents in .NET applications.