Read many of the StreamReader

Question

I have little problem. My code in visual studio:

file = new StreamReader("D:\\BaseList.txt");
string line;
while ((line = file.ReadLine()) != null)
{
    listBox1.Items.Add(line);
}
file.Close(); // 1
file = new StreamReader("D:\\Baza3.txt");  //2

I read all lines in file and I would like once more to read from the beginning. Do I have to close the stream and reload the file to stream( line numbered 1 and 2)? Is there a method, which allows to set the stream at the beginning of my file without using this numbered line?

Why do you want to read the file several times instead of just saving the result in-memory and refering to it there? Do you expect the file-contents to change? — sara, Mar 20 '16 at 14:03

score 0 · Accepted Answer · answered Mar 20 '16 at 13:52

You can reset the position of the base stream like this

streamReader.BaseStream.Position = 0;

You can do that only if the base stream is seekable. (myStream.CanSeek == true). The is true in your case when you create a new StreamReader with a path string.

score 0 · Answer 2 · edited May 23 '17 at 11:51

0

Try setting the BaseStream Position to 0, or copying the contents to a MemoryStream before actually start reading it.

Check out this thread: Return StreamReader to Beginning

edited May 23 '17 at 11:51

Community

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answered Mar 20 '16 at 13:54

benyogyerek

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Read many of the StreamReader

2 Answers2