这个是在mapxtreme的官方网站下载过来的和asp.net结合起来的GIS代码，原来是vb写的，此为已经改成的c#语言版本，主要功能是在地图上面根据鼠标的坐标不同而显示不同的内容。-mapxtreme this is the official website and download over the combination of Asp. Net GIS code was originally written in Visual Basic, which has been changed