Introduction - If you have any usage issues, please Google them yourself
In vc + +, the crystal report can be viewed, which can be connected to the firewall log system, including the use of crystal report control and the connection of data source. -In vc ++ In the realization of the crystal report to view, the module can be connected to the firewall log system, including control of the use of crystal Reports and data sources, such as technology to establish a connection.