Asp.Net Programming :: FileUpload Control


	FileUpload Control Hi, I want to Set asp:fileupload Filename at runtime. When I try to do, it shows "Readonly" error. Anyway to achieve this. > I want to Set asp:fileupload Filename at runtime. You can't for security reasons. -----------------------------------------------Reply----------------------------------------------- "bsm" <senthilmurug@saksoft.co.in> wrote in message news:1178101879.392426.311900@o5g2000hsb.googlegroups.com... > I want to Set asp:fileupload Filename at runtime. When I try to do, it > shows "Readonly" error. Anyway to achieve this. Absolutely not, for fairly obvious security reasons! Imagine a public website with a hidden FileUpload control which uploaded people's accounts database, or their Windows password file... -- http://www.markrae.net -----------------------------------------------Reply----------------------------------------------- It is a read-only property and is automatically set by the ASP.NET runtime when the user posts back the page with uploaded file from the browser. - Hide quoted text - "bsm" wrote: > Hi, > I want to Set asp:fileupload Filename at runtime. When I try to do, it > shows "Readonly" error. Anyway to achieve this. On May 2, 3:43 pm, "Mark Rae" <m@markNOSPAMrae.net> wrote: > "bsm" <senthilmurug@saksoft.co.in> wrote in message > news:1178101879.392426.311900@o5g2000hsb.googlegroups.com... > > I want to Set asp:fileupload Filename at runtime. When I try to do, it > > shows "Readonly" error. Anyway to achieve this. > Absolutely not, for fairly obvious security reasons! > Imagine a public website with a hidden FileUpload control which uploaded > people's accounts database, or their Windows password file... > --http://www.markrae.net Actually My requirement was- I have a File Upload control and one DropDownControl. I set AutoPostBack is true to my DDL. After choosing Filecontrol, if i change DDL value. The filename has got reset. which our users don't like this. Do u have any alternate? -----------------------------------------------Reply----------------------------------------------- "bsm" <senthilmurug@saksoft.co.in> wrote in message news:1178104304.515537.225220@l77g2000hsb.googlegroups.com... > The filename has got reset. That's right - the filename won't survive the postback... > Do u have any alternate? No. -- http://www.markrae.net -----------------------------------------------Reply----------------------------------------------- On May 2, 4:31 pm, "Mark Rae" <m@markNOSPAMrae.net> wrote: > "bsm" <senthilmurug@saksoft.co.in> wrote in message > news:1178104304.515537.225220@l77g2000hsb.googlegroups.com... > > The filename has got reset. > That's right - the filename won't survive the postback... > > Do u have any alternate? > No. > --http://www.markrae.net Thanks for ur immediate support. -----------------------------------------------Reply----------------------------------------------- A FileUpload will not retain its' value between postbacks for security reasons. Therefore, as long as the ListBox doesn't post back, you won't have a problem. -- HTH, Kevin Spencer Microsoft MVP Printing Components, Email Components, FTP Client Classes, Enhanced Data Controls, much more. DSI PrintManager, Miradyne Component Libraries: http://www.miradyne.net "bsm" <senthilmurug@saksoft.co.in> wrote in message news:1178104304.515537.225220@l77g2000hsb.googlegroups.com... - Hide quoted text - > On May 2, 3:43 pm, "Mark Rae" <m@markNOSPAMrae.net> wrote: >> "bsm" <senthilmurug@saksoft.co.in> wrote in message >> news:1178101879.392426.311900@o5g2000hsb.googlegroups.com... >> > I want to Set asp:fileupload Filename at runtime. When I try to do, it >> > shows "Readonly" error. Anyway to achieve this. >> Absolutely not, for fairly obvious security reasons! >> Imagine a public website with a hidden FileUpload control which uploaded >> people's accounts database, or their Windows password file... >> --http://www.markrae.net > Actually My requirement was- > I have a File Upload control and one DropDownControl. I set > AutoPostBack is true to my DDL. After choosing Filecontrol, if i > change DDL value. The filename has got reset. which our users don't > like this. Do u have any alternate? On May 3, 3:23 pm, "Kevin Spencer" <unclechut@nothinks.com> wrote: - Hide quoted text - > A FileUpload will not retain its' value between postbacks for security > reasons. Therefore, as long as the ListBox doesn't post back, you won't have > a problem. > -- > HTH, > Kevin Spencer > Microsoft MVP > Printing Components, Email Components, > FTP Client Classes, Enhanced Data Controls, much more. > DSI PrintManager, Miradyne Component Libraries:http://www.miradyne.net > "bsm" <senthilmurug@saksoft.co.in> wrote in message > news:1178104304.515537.225220@l77g2000hsb.googlegroups.com... > > On May 2, 3:43 pm, "Mark Rae" <m@markNOSPAMrae.net> wrote: > >> "bsm" <senthilmurug@saksoft.co.in> wrote in message > >>news:1178101879.392426.311900@o5g2000hsb.googlegroups.com... > >> > I want to Set asp:fileupload Filename at runtime. When I try to do, it > >> > shows "Readonly" error. Anyway to achieve this. > >> Absolutely not, for fairly obvious security reasons! > >> Imagine a public website with a hidden FileUpload control which uploaded > >> people's accounts database, or their Windows password file... > >> --http://www.markrae.net > > Actually My requirement was- > > I have a File Upload control and one DropDownControl. I set > > AutoPostBack is true to my DDL. After choosing Filecontrol, if i > > change DDL value. The filename has got reset. which our users don't > > like this. Do u have any alternate?- Hide quoted text - > Thanks for the information.