1.spire pdf generated pdf is also very convenient. And the advantage of ice-blue ice blue technology will give you a free key can be removed watermark, we need to send a pdf file to the customs identification,
But this problem I encountered is that the information customes feedback is "you provide the pdf format is wrong, that is not the pdf in the true sense, although the surface looks nothing different."
Therefore, only abandoned.
2. look for quite a long time and found that Microsoft office components. Very excited very happy to take the test, the test console program is very 6.customes there is recognition, super happy excitement. however:
When deployed dumbfounded, unable to find the first class of com class factory registration, search results will follow step by step operation of others, including the installation of office components, including the authority to set various uesr, with no little egg, and later found that there office version of the problem, what the hell registry and the like.
After all, wps free of charge, so the start is the wps on your computer. Once installed the office, completely messed up. Seemingly out wps will modify your registry, so full of slag slag issue all the way, say, if you give the server deployment is also going to be installed and configured office. Was defeated, this should not be the best solution.
3. Also look for a long time, found aspose. With it is still very good, we do not need another mess, just a nuget packages. And custome feedback also identified. But watermark ah ah ah, the key is to find the network either need to upgrade, or let your subscription before the product. I'm still studying it. . . .
Eager to have a big God can give good advice and programs.