<ul data-eligibleForWebStory="true"><li>The article discusses automating Excel report generation using C# and ChatGPT.</li><li>Reading Excel data involves using ClosedXML library to process data into a DataTable.</li><li>Utilizing the ChatGPT API to generate insights based on the data read from Excel.</li><li>Building reports and exporting them with ClosedXML library in C#.</li><li>Key automation patterns include scheduled execution, template engine usage, error handling, and dynamic inputs handling.</li><li>ChatGPT prompts for development are provided, including generating C# code and handling exceptions.</li><li>Best practices mentioned are storing API keys securely, using 'using' statements for resource cleanup, validating ChatGPT outputs, and implementing retry logic for API calls.</li><li>This automated approach reduces manual Excel work significantly while enhancing flexibility, especially for intermediate C# developers with the assistance of ChatGPT.</li><li>It is emphasized to test the generated code and ensure secure handling of sensitive data at all times.</li></ul>

## Automating Excel Reports with C# and ChatGPT: A Developer's Guide

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