良红

Your question is not clear, you mean[ read a pdf file from url to to byte array](http://stackoverflow.com/questions/7715206/read-a-pdf-file-from-url-to-to-byte-array)?

U can select different try for PrintDocument Here is a blog may help. https://chrizyuen.wordpress.com/2011/03/11/how-to-select-different-tray-for-different-page-for-printdocument-with-c/

New one here. Hello to all.

Not this? string ddd= DateTime.Now.ToString("yyyy-MM-dd");

hah

This may help too: http://forums.asp.net/t/1893729.aspx?How+to+generate+a+Word+document+from+a+aspx+page+C+ http://stackoverflow.com/questions/27012035/convert-from-aspx-page-content-to-ms-word-format Or would you want try a third party API: http://www.nuget.org/packages/FreeSpire.Doc/

AVI code as follows. The way AVI played and controlled is similar with audio files, you can set parameter uMsg in function mciSendCommand as avivideo. Here is the code. else if(strcmp(pFileExt,"AVI") == 0 || strcmp(pFileExt,"avi") == 0){ mciOpenParms.lpstrDeviceType = "avivideo"; type = AVI; }