Creating a CSV File in C#

Question

I am trying to created a csv file where each entry is inputed by the user. Once one set of of values have been entered it should move on to the next. However I cannot seem t

Answer 1

You have to open the file in append mode, like this:

System.IO.StreamWriter objWriter;
objWriter = new File.AppendText(file_name);

Answer 2

In your case I think you are better off doing something like:

File.AppendAllText("EmployeeDetails.txt", string.Join(",",new [] {FName,LName,Dpt,Grade,NumberOfHours}));

Answer 3

The StreamWriter constructor will overwrite the file you are using if it exists. There is an overloaded constructor to which you can pass a boolean as a second argument to tell it to append:

System.IO.StreamWriter objWriter;
objWriter = new System.IO.StreamWriter(file_name, true);

In addition, the Write method you are using will not append a line break. If you use the WriteLine method, it will.

 Console.WriteLine(LDetailsCSV);
 objWriter.WriteLine(LDetailsCSV);
 objWriter.Close();