You can use the reader = File.OpenText("data.txt"); to open a sequential access file for input.
After declaring a StreamReader variable, you can use the OpenText method to open a sequential access file for input. This method creates a StreamReader object that allows you to read data from the file sequentially.
For example, suppose you have declared a StreamReader variable named reader and you want to open a file named data.txt for input. You can use the OpenText method to create a StreamReader object and open the file as follows:
reader = File.OpenText("data.txt");
This code will create a StreamReader object that is associated with the file data.txt. You can then use the reader variable to read data from the file using the ReadLine or ReadToEnd methods, for example.
In summary, the OpenText method is used to open a sequential access file for input using a StreamReader object. This method automatically creates a StreamReader object that can be used to read data from the file.
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