[C#] How to Read and Write a File

[C#] This tutorial guid you How to Read and Write a File in Csharp with examples and Demo code, you can download for use.

A File must be opened using an IO resource before it can be read or write to. A file can be opened to read and/or write purpose. The FileInfo class provides four methods to open a file.

+ Open
+ OpenRead
+ OpenText
+ OpenWrite

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