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FileNotFoundException in C#
If a File you are trying to find does not exist, then FileNotFoundException occurs.
Here, we are try to find a file that does not exist using StreamReader() method.
reader = new StreamReader("new.txt"))
To read it we have used the following method −
reader.ReadToEnd();
Let us see the complete code.
Example
using System.IO; using System; class Program { static void Main() { using (StreamReader reader = new StreamReader("new.txt")) { reader.ReadToEnd(); } } }
The above code will generate the following exception since the file “new.txt” does not exist.
Unhandled Exception: System.IO.FileNotFoundException: Could not find file …
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