How to edit data in a binaryfile on a specific position in C#

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I have to edit a particular data in a binary file at a particular position by uploading a binary file.How can i do this in c#.

What I have tried:

code
<
using (FileStream sr = File.OpenRead("someFile.dat"))
{
sr.Seek(100, SeekOrigin.Begin);
int read = sr.ReadByte();
//...
}

>

Posted 17-Mar-19 20:55pm

Member 14160071

Updated 17-Mar-19 21:21pm

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Mehdi Gholam 18-Mar-19 3:09am

...and what is your problem?

1 solution

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OriginalGriff · Answer 1 · 2019-03-17T21:21:00

Solution 1

Instead of seeking a stream, just read the whole dtaa in:

C#

byte[] data File.ReadAllBytes(pathToFile);

You can then use the array index to access each byte individually, and use File.WriteAllBytes to save the changed data when you are finished.

Posted 17-Mar-19 21:21pm

OriginalGriff