asp.net mvc上传文件取流

% using (Html.BeginForm("AutoUpLoadForQuotitGetPostFile", "ReleaseManager",FormMethod.Post,new {enctype="multipart/form-data"}))

要给form的entype属性设为:enctype="multipart/form-data

后台方法:

//www.52mvc.com

using (var fileStream = Request.Files[0].InputStream)
{
int fileLength = (int)fileStream.Length;
fileStream.Position = 0;
byte[] fileArray = new byte[fileLength];
fileStream.Read(fileArray, 0, fileLength);
}