[Solved] Why might File.WriteAllText throw an exception when writing to a file? - Ans: The file path is invalid or access is denied | C Sharp (C#)

C Sharp (C#) - File IO

Why might File.WriteAllText throw an exception when writing to a file?

AThe method only works with .txt files

BThe file path is invalid or access is denied

CThe method requires the file to exist beforehand

DThe method cannot write strings longer than 1000 characters

Step-by-Step Solution

Solution:

Step 1: Consider common file write errors
Invalid paths or permission issues cause exceptions.
Step 2: Eliminate incorrect reasons
Method works with any file extension, creates files if missing, no length limit.
Final Answer:
Invalid path or access denied causes exceptions. -> Option B
Quick Check:
File access issues cause exceptions = The file path is invalid or access is denied [OK]

Quick Trick: Check file path and permissions to avoid exceptions [OK]

Common Mistakes:

MISTAKES

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