The reason is that in the win7 64-bit IIS, asp can not reproduce the database, to this end, we want IIS to run in the ASP program in the state of 32. Method:
Select the site is being used in the "application pool" in the application, right click and select "Advanced Settings" in the "General" to "Enable 32-bit Applications" changed to "True"
OK.
Reproduced in: https: //www.cnblogs.com/daretodream/archive/2013/05/27/3101138.html