public void edit()
{
Console.Write("Enter the Id to be edited :");
String user_id = Console.ReadLine();
Console.Write("Enter the new updated price of the " + user_id + " :");
String pricenew = Console.ReadLine();
XElement xelement = XElement.Load("Laptop.xml");
IEnumerable <XElement> Laptops = xelement.Elements();
var x = from Laptop in xelement.Elements("Laptop")
where (string)Laptop.Element("ID") == user_id
select Laptop;
foreach (XElement id in x)
{
String price_detail = id.Element("price").Value;
id.SetElementValue("price", pricenew);
}
xelement.Save("Laptop.xml");
Console.WriteLine("Editing done");
}
public static void Main()
{
Laptop[] laptops = new Laptop[5];
laptops[0] = new Laptop(11, "Dell", "Inspiron3481", 27990);
laptops[1] = new Laptop(22, "Asus", "ROG Strix G", 74990);
laptops[2] = new Laptop(33, "Acer", "Nitro 5", 57990);
laptops[3] = new Laptop(44, "Lenovo", "Ideapad", 27990);
laptops[4] = new Laptop(55, "Apple", "MacBook Air", 67990);
using (XmlWriter writer = XmlWriter.Create("Laptop.xml"))
{
writer.WriteStartDocument();
writer.WriteStartElement("Laptops");
foreach (Laptop lap in laptops)
{
writer.WriteStartElement("Laptop");
writer.WriteElementString("ID", lap.Id.ToString());
writer.WriteElementString("brand", lap.Brand);
writer.WriteElementString("model", lap.Model);
writer.WriteElementString("price", lap.Price.ToString());
writer.WriteEndElement();
}
writer.WriteEndElement();
writer.WriteEndDocument();
}
Pendrive[] pendrive = new Pendrive[5];
pendrive[0] = new Pendrive(111, "Sandisk", "Ultra Dual -64 GB", 899);
pendrive[1] = new Pendrive(122, "HP", "V215 B -32 GB", 360);
pendrive[2] = new Pendrive(133, "Toshiba", "TransMemory -32 GB", 415);
pendrive[3] = new Pendrive(144, "Kingston", "DTIG4 USB 3.0 -16 GB", 475);
pendrive[4] = new Pendrive(155, "Sony", "Ultra 3.1 -32 GB", 785);
using (XmlWriter writer1 = XmlWriter.Create("Pendrive.xml"))
{
writer1.WriteStartDocument();
writer1.WriteStartElement("Pendrives");
foreach (Pendrive pd in pendrive)
{
writer1.WriteStartElement("Pendrive");
writer1.WriteElementString("ID", pd.Id.ToString());
writer1.WriteElementString("brand", pd.Brand);
writer1.WriteElementString("model", pd.Model);
writer1.WriteElementString("price", pd.Price.ToString());
writer1.WriteEndElement();
}
writer1.WriteEndElement();
writer1.WriteEndDocument();
}
Mouse[] mousevariant = new Mouse[5];
mousevariant[0] = new Mouse(211, "Lenovo", "M110 Optical Wired", 269);
mousevariant[1] = new Mouse(222, "HP", "HP S500", 660);
mousevariant[2] = new Mouse(233, "Logitech", "M-171", 649);
mousevariant[3] = new Mouse(244, "Dell", "WM 126", 719);
mousevariant[4] = new Mouse(255, "Zebronics", "Optical Wired", 285);
using (XmlWriter writer2 = XmlWriter.Create("Mouse.xml"))
{
writer2.WriteStartDocument();
writer2.WriteStartElement("Mouses");
foreach (Mouse mv in mousevariant)
{
writer2.WriteStartElement("Mouse");
writer2.WriteElementString("ID", mv.Id.ToString());
writer2.WriteElementString("brand", mv.Brand);
writer2.WriteElementString("model", mv.Model);
writer2.WriteElementString("price", mv.Price.ToString());
writer2.WriteEndElement();
}
writer2.WriteEndElement();
writer2.WriteEndDocument();
}
Laptopread readx = new Laptopread();
Mouseread ready = new Mouseread();
Pendriveread readz = new Pendriveread();
// Update upd = new Update();
//Lapadd update1 = new Lapadd();
//update1.updation();
//Console.ReadKey();
//Mouseadd update2 = new Mouseadd();
//update2.updation();
//Console.ReadKey();
Pendriveadd update3 = new Pendriveadd();
update3.updation();
Console.ReadKey();
int choice;
String user_choice;
do
{
Console.WriteLine("********************** Welcome **********************");
Console.WriteLine();
Console.WriteLine("----Select the choice 1/2/3 to display the Items-----");
Console.WriteLine();
Console.WriteLine("-----> 1.) Laptops 2.) Mouses 3.) Pendrives 4.>Update <------");
choice = Convert.ToInt32(Console.ReadLine());
switch (choice)
{
case 1:
Console.Clear();
readx.lapdisplay();
Console.ReadKey();
break;
case 2:
Console.Clear();
ready.mousedisplay();
Console.ReadKey();
break;
case 3:
Console.Clear();
readz.pendrivedisplay();
Console.ReadKey();
Environment.Exit(0);
break;
default:
Console.WriteLine("Invalid choice - Please enter 1/2/3");
Console.ReadLine();
Console.Clear();
break;
}
// Lapadd l = new Lapadd();
// l.add();
//Console.ReadKey();
Console.WriteLine("Do you want to Proceed? (y/n)");
user_choice = Console.ReadLine();
Console.WriteLine();
if (user_choice == "n")
{
Console.WriteLine("Thank you for visiting us...");
}
while ((user_choice != "y") && (user_choice != "n"))
{
Console.WriteLine("Invalid Option. Please Choose 'y' or 'n'");
user_choice = Console.ReadLine();
}
} while (user_choice == "y");
}
