This is not possible, a variable name needs to be hard coded, but you can use an ArrayList to store an unkown number of TextBoxes.

Check the registry key in regedit: HKEY_CURRENT_USER\Control Panel\International Here are all the windows format settings stored. To edit this value's from within your program you have to use the Microsoft.Win32.Registry class. PS. When you want to edit/update an value you need to use the method CreateSubKey and not OpenSubKey This code will change the long date time representation of windows to DayName DayOfWeek MonthName 4-digit Year: RegistryKey objReg = Registry.CurrentUser.CreateSubKey(@"\Control Panel\International"); objReg.SetValue("sLongDate", "dddd d MMMM yyyy"); Hope this is usefull...

Format Info DateTime objDate = DateTime.Now; String strFormatedDate = objDate.ToString("yyyy-mm-dd HH:mm:ss"); Edit: Wrong topic? OS/SysAdmin Anyway you can change the windows date time format in Start->Configuration Screen->Languagesettings There you can change all currency and formats... -- modified at 5:41 Wednesday 14th February, 2007

I've never tryed but I think you can find your answere here