C# Json data to DataTable and generate PDF online download–iTextSharp generates PDF instance (file download, json data conversion, PDF typesetting in one step)

Foreword This article will focus on the use of iTextSharp and some pitfalls that are easy to step on. By the way, it will introduce the simple, fast and efficient method of converting json to DataTable and the method of online instant download of binary stream conversion files. After testing, it only takes 1 second […]

C# implements keyword signature and stamping through iTextSharp (by inserting stamped pictures in the content)

This function reads the PDF document information through iTextSharp, and searches for each page of the PDF file in a loop. As long as it meets the conditions in the entire PDF, it will be stamped. For example, only the last page needs to be stamped. Please remove the For loop in the method, and […]