C# da mavjud faylga matnni qanday qo'shish mumkin?

9. C# da mavjud faylga matnni qanday qo'shish mumkin?
using System;
using System.IO;

class Program

{
static void Main()
{
string filePath = "test.txt"; // Faylga yo'l (masalan, "test.txt")
string textToAdd = "Bu matn faylga qo'shiladi"; // Matn, faylga qo'shiladigan

AppendTextToFile(filePath, textToAdd);

}

static void AppendTextToFile(string filePath, string text)

{
// Agar fayl mavjud bo'lsa, uni yaratishni orqadan tashlash.
// FileMode.Append ni tanlash orqali matn qo'shiladi.
using (FileStream fileStream = new FileStream(filePath, FileMode.Append, FileAccess.Write))
{
using (StreamWriter streamWriter = new StreamWriter(fileStream))
{
streamWriter.WriteLine(text);
}
}
}
}
9. C# da XML faylini yozish uchun XmlWriter dan foydalaning.
using System;
using System.Xml;

class Program

{
static void Main(string[] args)
{
// XML faylini yaratish
XmlWriter xmlWriter = XmlWriter.Create("example.xml");

// XML faylida boshlang'ich elementni qo'shish

xmlWriter.WriteStartElement("bookstore");

// Yangi elementlarni qo'shish

xmlWriter.WriteStartElement("book");
xmlWriter.WriteElementString("title", "To Kill a Mockingbird");
xmlWriter.WriteElementString("author", "Harper Lee");
xmlWriter.WriteElementString("price", "19.99");
xmlWriter.WriteEndElement();

xmlWriter.WriteStartElement("book");

xmlWriter.WriteElementString("title", "The Great Gatsby");
xmlWriter.WriteElementString("author", "F. Scott Fitzgerald");
xmlWriter.WriteElementString("price", "14.99");
xmlWriter.WriteEndElement();

// Asosiy elementni yopish

xmlWriter.WriteEndElement();

// XML faylni yopish

xmlWriter.Close();

Console.WriteLine("XML fayl yaratildi");

}
}