Report Builder 2024打开.rdl文件时弹出安全警告的含义咨询

Hey there! Let me break down this warning for you clearly:

"This report contains expressions or code blocks that could modify or delete your local files. Only run reports from a trusted source."

This is a security safeguard built into the 2024 version of Report Builder, and here's what it actually means:

• What triggers the warning? The .rdl file you're trying to open includes either custom code blocks (like VB.NET snippets embedded in the report) or advanced expressions that have the potential to interact with your local file system. For example, these could be set up to read files from your computer, write data to local directories, or even execute system-level commands in rare cases.
• Why is this a concern? Microsoft stepped up security checks in the 2024 update to protect users from malicious reports. If you get this warning for a report from an untrusted source (like a random download or unknown sender), there's a small risk that the embedded code/expressions could be used to steal your local data, mess with your files, or cause other harm.
• What should you do next?
  • If the report is something you created yourself, or comes from a team/developer you fully trust, you can safely proceed to open and use it—this is just the system being cautious.
  • If the report is from an unknown or untrusted source, hold off on opening it. You can ask the person who provided it to verify the code/expressions are safe, or manually inspect the report's custom code and expression sections in Report Builder's design interface to check for suspicious logic.

备注：内容来源于stack exchange，提问作者puzzel17