For sample code included with MXT04, WinForm is generally operating normally. WebForm may not run correctly because of the map path problem. The reason is that one file, you can manually find the current Sample program file directory, there is a file similar to the map of mapControl1.mws, this file is an XML format file, which is used by MapControl loading map information. Use notepad to open it, you can see the description of the map path. For example, there is this sentence C: / program files / mapinfo / mapXtreme / 6.0 / data / china / chinahwy.tab filename>. Modify its path, specify it to the correct position.