How to write data to a text file without overwriting the current data

Question

I can\'t seem to figure out how to write data to a file without overwriting it. I know I can use File.appendtext but I am not sure how to plug that into my syntax. Here is m

Answer 1

First of all check if the filename already exists, If yes then create a file and close it at the same time then append your text using AppendAllText. For more info check the code below.

---

string FILE_NAME = "Log" + System.DateTime.Now.Ticks.ToString() + "." + "txt"; 
string str_Path = HostingEnvironment.ApplicationPhysicalPath + ("Log") + "\\" +FILE_NAME;


 if (!File.Exists(str_Path))
 {
     File.Create(str_Path).Close();
    File.AppendAllText(str_Path, jsonStream + Environment.NewLine);

 }
 else if (File.Exists(str_Path))
 {

     File.AppendAllText(str_Path, jsonStream + Environment.NewLine);

 }