ASP.NET转换图片格式问题(在线等)

Question

现在正要这个功能啊!刚才在网上看的全是清清月儿那份代码啊!试的一下好像不行啊!大家发一份可以的代码好么!

Answer 1

51aspx上面有例子下载！
SaveFileDialog   sfd   =   new   SaveFileDialog(); 
                        sfd.Title   =   "图象另存为 "; 
                        sfd.OverwritePrompt   =   true; 
                        sfd.CheckPathExists   =   true; 
                        sfd.Filter   =   cmbSaveFiletype.Text   +   "| "   +   cmbSaveFiletype.Text; 
                        sfd.ShowHelp   =   true; 
                        if(sfd.ShowDialog()   ==   DialogResult.OK) 
                        { 
                                string   strFileName   =   sfd.FileName; 
                                switch(cmbSaveFiletype.Text) 
                                { 
                                        case   "*.bmp ": 
                                                m_bitmap.Save(strFileName,   ImageFormat.Bmp); 
                                                break;                                         case   "*.jpg ": 
                                                m_bitmap.Save(strFileName,   ImageFormat.Jpeg); 
                                                break;                                         case   "*.gif ": 
                                                m_bitmap.Save(strFileName,   ImageFormat.Gif); 
                                                break;                                         case   "*.tif ": 
                                                m_bitmap.Save(strFileName,   ImageFormat.Tiff); 
                                                break; 
                                } 
                                MessageBox.Show( "图象文件格式转换成功！ ",   "恭喜 ",   MessageBoxButtons.OK,   MessageBoxIcon.Exclamation);

Answer 2

http://download.csdn.net/detail/huang461072830/4003390
这个，源码，把JPG什么的转为BMP的，不用插件，界面简单，就一个aspx一个cs