Helping someone using CoreTechs.Common Nuget package.

csv.cs

void Main()
{
	var filePath = @"C:\Users\roverby\Desktop\New Text Document.txt";
	using (var reader = File.OpenText(filePath))
	{
		// if you can count on your text file being relatively small
		// you can buffer the records into memory and use as many times
		// as you like
		var fileContents_Buffered = reader.ReadCsv().ToArray();
		
		// but if you're dealing with big files
		// then you can seek back to the beginning of the stream
		// each time you need to read
		// note this only works when the BaseStream supports seeking
		reader.BaseStream.Position = 0;
		var fileContents = reader.ReadCsv();
		
		// reading doesn't actually occur until enumeration		
		foreach (var record in fileContents)
		{
			// do something with record
		}
		
		// otherwise you should create a new StreamReader 
		// each time you want to read		
	}
}