上传图片文件过大怎么办 上传图片并修改其大小(C#)的方法

上传图片并修改其大小(C#)的方法  

　　上传图片并修改其大小　　//thefile是一个File Field HTML 控件　　thefile PostedFile SaveAs(System Web HttpContext Current Server MapPath( temp png ));　　MemoryStream MemStream=new MemoryStream();　　System Drawing Image imgOutput =System Drawing Bitmap FromFile(System Web HttpContext Current Server MapPath( temp png ));　　//修改成 × 大小　　System Drawing Image imgOutput =imgOutput GetThumbnailImage( null IntPtr Zero);　　imgOutput Save(System Web HttpContext Current Server MapPath( image png ) ImageFormat Png);　　Response Write(thefile PostedFile FileName);　　Response Write( Len: +MemStream Length ToString());　　imgOutput Dispose();　　imgOutput Dispose();　　Response Write( 上传成功! );　　Response Write(System Web HttpContext Current Server MapPath( image png )); lishixinzhi/Article/program/net/201311/13582