【求助】上传图片到数据库的问题
yoobj 2003-10-17 04:51:20 Stream imgdatastream = File1.PostedFile.InputStream;<-----------此行报错
int imgdatalen = File1.PostedFile.ContentLength;
string imgtype = File1.PostedFile.ContentType;
byte[] imgdata = new byte[imgdatalen];
报错提示:Object reference not set to an instance of an object.