2: Add a report, the data source picks the ADO.NET dataset If this prompt appears, please go to the check, find the XSD file established in our previous article, as the creation process of the general report 3: remaining The process is the code, it is very simple, huh, huh, the following is the core code. 4: Please download the code here, WinRAR compression, unzip password: www.facesun.cn