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.NET Forum / Languages / C# / June 2007Creating an XML file in temporary memory
Hi, I have a requirement where I need to create an xml file in temporary memory and not on hard disk. currently this is how I am creating an xml file using XmlTextWriter : XmlTextWriter textWriter = new XmlTextWriter("C:\\myXmFile.xml", null); I do not want my xml file to be stored in C:/, I want it to be in temporary memory, Could anyone please assist me? --- Bharathi Must it be a file? Perhaps use a MemoryStream - attach the writer to this stream using the ctor. Later, simpy rewind the stream and Read() it. Alternatively, if you just want the xml, consider using a StringBuilder as the target - then just call ToString(). Marc > Must it be a file? Perhaps use a MemoryStream - attach the writer to > this stream using the ctor. Later, simpy rewind the stream and Read() > it. Alternatively, if you just want the xml, consider using a > StringBuilder as the target - then just call ToString(). In addition to Marc's fine suggestion, you might also consider a StringWriter, which wraps up a StringBuilder in a TextWriter, which you can then use to construct your XmlTextWriter instance. Maybe this is what he means by "consider using a StringBuilder as the target", since I don't see any direct way to actually do that (that is, I don't see anything in XmlTextWriter that takes a StringBuilder as a direct target). The main advantage to using the StringWriter is that you have easier access to the resulting XML text. If that's not of concern to you, then the MemoryStream should work just fine. Pete By which I meant: StringBuilder sb = new StringBuilder(); using(XmlWriter writer = XmlWriter.Create(sb)) { // write some xml writer.Close(); } string xml = sb.ToString(); Marc Hi all, Thank you all for the suggestions provided. My problem got resolved :-) I modified my code as below: private string CreateXML() { StringBuilder sb = new StringBuilder(); XmlWriter xmlWriter = XmlWriter.Create(sb); // Write xml xmlWriter.Close(); return sb.ToString(); } Thank you, Regards, Bharathi. > By which I meant: > [quoted text clipped - 6 lines] > > Marc > By which I meant: > > StringBuilder sb = new StringBuilder(); > using(XmlWriter writer = XmlWriter.Create(sb)) [...] I see. I'll point out that the OP wasn't using an XmlWriter, so IMHO your reply would have be more clear if you'd made clear you also intended for him to change the class he was using to write the XML. Pete Hi In temporory memory there is nothing so called "FILE". Temporory memory is just a logical address space. As suggested by Marc, I think using Memory strams will do in this case. Thanks -Cnu On Jun 28, 11:58 am, Bharathi Harshavardhan <bharathi8...@gmail.com> wrote: > Hi, > [quoted text clipped - 12 lines] > --- > Bharathi On Jun 28, 7:58 am, Bharathi Harshavardhan <bharathi8...@gmail.com> wrote: > I have a requirement where I need to create an xml file in temporary > memory and not on hard disk. [quoted text clipped - 7 lines] > > Could anyone please assist me? Others have suggested MemoryStream, and that's a fine idea if you want the binary data. If you want the data as text, a StringWriter is probably slightly easier. Jon > Others have suggested MemoryStream, and that's a fine idea if you want > the binary data. If you want the data as text, a StringWriter is > probably slightly easier. Okay, I'll give you that one. You beat me by 7 seconds. But only because I had to go back and check to see if I could figure out what Marc meant by "using a StringBuilder as the target". :P explained above Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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