Convert String to System.IO.Stream

Question

I need to convert a String to System.IO.Stream type to pass to another method.

I tried this unsuccessfully.

Stream stream = new StringReader(contents);

I wasn't aware MemoryStream was the same at Stream. – Ayush Nov 08 '11 at 07:28 — Ayush, Nov 08 '11 at 07:28

score 457 · Accepted Answer · answered Nov 08 '11 at 07:16

457

Try this:

// convert string to stream
byte[] byteArray = Encoding.UTF8.GetBytes(contents);
//byte[] byteArray = Encoding.ASCII.GetBytes(contents);
MemoryStream stream = new MemoryStream(byteArray);

and

// convert stream to string
StreamReader reader = new StreamReader(stream);
string text = reader.ReadToEnd();

answered Nov 08 '11 at 07:16

Marco

56,740
14
129
152

Thanks. I wasn't aware MemoryStream was the same as Stream. – Ayush Nov 08 '11 at 07:29
7

@xbonez: `Stream` is not the same as `MemoryStream`. `MemoryStream` inherits from `Stream`, just like `FileStream`. So you can cast them as `Stream`... – Marco Nov 08 '11 at 07:31
23

Just a note: Streams implement IDisposable, so you need a using wrapper around them to be safe. – Steve Hibbert May 23 '14 at 11:32

score 55 · Answer 2 · answered Nov 08 '11 at 07:16

To convert a string to a stream you need to decide which encoding the bytes in the stream should have to represent that string - for example you can:

MemoryStream mStrm= new MemoryStream( Encoding.UTF8.GetBytes( contents ) );

MSDN references:

score 9 · Answer 3 · answered Nov 08 '11 at 07:17

9

System.IO.MemoryStream mStream = new System.IO.MemoryStream(System.Text.Encoding.UTF8.GetBytes( contents));

answered Nov 08 '11 at 07:17

Sandeep Pathak

10,567
8
45
57

score 0 · Answer 4 · answered Nov 08 '11 at 07:18

0

string str = "asasdkopaksdpoadks";
byte[] data = Encoding.ASCII.GetBytes(str);
MemoryStream stm = new MemoryStream(data, 0, data.Length);

answered Nov 08 '11 at 07:18

kprobst

16,165
5
32
53

10

Using ASCII encoding makes panda sad... :( – jebar8 Dec 15 '14 at 18:15

score -8 · Answer 5 · edited Oct 18 '12 at 16:21

-8

this is old but for help :

you can also use the stringReader stream

string str = "asasdkopaksdpoadks";
StringReader TheStream = new StringReader( str );

edited Oct 18 '12 at 16:21

bensiu

24,660
56
77
117

answered Oct 18 '12 at 16:14

zetoff

89
1
1

36

`StringReader` is not a stream. – Joe Enos Dec 01 '13 at 17:16
1

Built in classes that derive from System.IO.Stream are listed here: https://msdn.microsoft.com/en-us/library/system.io.stream(v=vs.110).aspx – DVK Aug 19 '15 at 19:19
@zetoff, confused by StreamReader? – juagicre Oct 27 '16 at 15:00

Convert String to System.IO.Stream

5 Answers5

Linked