2024 Note on Registrations

Nuno · 2019-03-17 16:07:08

Nuno
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Hello!
The task I want to do is simple, save the checked items to a text file. However, the file that the app creates i empty. What's wrong with my code? Here is the faulty snipped
foreach (object ItemChecked in GameList.CheckedItems)
{
CheckedItemID = ItemChecked.ToString();
}SW.WriteLine(CheckedItemID);
}
}

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dardar · 2019-03-17 16:09:32

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This might be a stupid question, as I have barely any knowledge in this field but, are you closing the file once you are done?

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Nuno · 2019-03-17 16:15:35

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As far as i am concerned it is not needed

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Ian Reed · 2019-03-17 18:18:57

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The StreamWriter buffers your writes in memory, and only once a certain amount of data has been written does it actually send it out to the HDD/SSD.
You can force it to send it by calling sw.Flush(), or sw.Close().
Also, in your code snippet the SW.WriteLine(CheckedItemID); has a right curly brace in front of it which puts it outside the for loop.
This means that even if you were seeing what it wrote, it would only write the last checked item, not all of them.

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Nuno · 2019-03-17 18:26:57

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Thanks Ian for your help. I will apply your instructions

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kianoosh · 2019-03-17 22:26:53

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to be honest I never used filestream for my IO operations. I always used system.io, File object(if I can remember correctly)

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stewie · 2019-03-19 18:40:35

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As far as I can tell, the call to write is occurring outside of the foreach loop, so it isn't actually writing each item to the file.

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Nuno · 2019-03-19 19:12:37

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Thank you all for your help. Now I have a different problem. Can I strip a file from blank lines somehow? I am asking it here, cause I don't want to spam the forum

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2024 Note on Registrations

Quite weird problem with a C# code

Posts: 8

#1 Topic by Nuno 2019-03-17 16:07:08

#2 Reply by dardar 2019-03-17 16:09:32

#3 Reply by Nuno 2019-03-17 16:15:35

#4 Reply by Ian Reed 2019-03-17 18:18:57

#5 Reply by Nuno 2019-03-17 18:26:57

#6 Reply by kianoosh 2019-03-17 22:26:53 (edited by kianoosh 2019-03-17 22:27:15)

#7 Reply by stewie 2019-03-19 18:40:35

#8 Reply by Nuno 2019-03-19 19:12:37

Posts: 8