Question

I want to have an ArrayList where it contains HashTables. I create a Hashtable and added values. I then added it to the ArrayList. I then changed the values of the Hashtables and added it again the Array List. It does not save the first values and ending having duplicated values which were exactly the same as the last values!

Any suggestions? Here is my code

namespace ValuesTest
{
    internal class Class1
    {    
        public static ArrayList StartList = new ArrayList();
        public static Hashtable Start = new Hashtable();    

        static void Main(string[] args)
        {    
            Start["active"] = true;
            Start["name"] = "prog1";
            Start["path"] = @"C:\programfiles\prog1";
            Start["parameter"] = string.Empty;

            StartList.Add(Start);

            Start["active"] = false;
            Start["name"] = "prog2";
            Start["path"] = @"C:\programfiles\prog2";
            Start["parameter"] = "/q";

            StartList.Add(Start);

            foreach (Hashtable HT in StartList)
            {
                Console.WriteLine(HT["active"] + " - " + HT["name"] + " - " + HT["path"] + " - " + HT["parameter"]);
                // it will always gives
                // False - prog2 - C:\programfiles\prog2 - /q    
            }

            Console.ReadLine();   
        }
    }
}

Answer 1

Move start to inside your Main function, and reinitialize it for the second add(and as @lasseespeholt said use List<T>).

    static List<Hashtable> StartList = new List<Hashtable>();

    static void Main(string[] args)
    {
        Hashtable Start = new Hashtable();
        Start["active"] = true;
        Start["name"] = "prog1";
        Start["path"] = @"C:\programfiles\prog1";
        Start["parameter"] = string.Empty;

        StartList.Add(Start);

        Start = new Hashtable();
        Start["active"] = false;
        Start["name"] = "prog2";
        Start["path"] = @"C:\programfiles\prog2";
        Start["parameter"] = "/q";

        StartList.Add(Start);