[.Bux]

Hey

I'm making my first real tool in C# (which isn't my main language), and at some part I need to store an undefined number of usernames and passwords to get those values later, in another function.

At the moment I found this on google:

PHP Code


<?php 
List<KeyValuePair<string, string>> _items = new List<KeyValuePair<string, string>>(); 


A list of two strings, in which I add "working accounts" in a loop

PHP Code


<?php 
_items.Add(new KeyValuePair<string, string>(username, passwords)); 


It works like a charm, but now that I want to display what's in that list (to check if I filled it earlier), I don't really know how to manipulate this "two dimensional list".

Maybe I picked the hard way, what do you think?

Basically my program works like this:

The user enters a list of usernames/password
Then I check if they're working or not one by one in a loop, and I'd like to store the working accounts in that loop
Final step is to save those working accounts in a txt file

[BahNahNah]

Use a dictionary or use a list of a a custom object that has a username and password property.

[Ninja]

What BahNahNah said, a dictionary would be better for this.
But if you insist on doing it this way; to get an item from the list, grab the KeyValuePair at the index you want and then interact with that.

[.Bux]

Thanks for your anwser, I'll learn how to use Dictionnaries then

[hsotaka]

Like BahNahNah said, use a dictionary!
BUT: a dictionary is composed of a key and a value. The key is your identifier in the dictionary, so be sure you don't add 2 keys with the same value.
If you have multiple entries with the same value, its not recommended to it as a disctionary key.
In this case, like BahBahBah said too, create a object like "Account" and a list which contains multiple "Accounts".
This could be a simple class with two string properties, for your example.

Sorry for bad english, hope it helps.

[0xDEAD10CC]

Like BahNahNah said, use a dictionary!
BUT: a dictionary is composed of a key and a value. The key is your identifier in the dictionary, so be sure you don't add 2 keys with the same value.
If you have multiple entries with the same value, its not recommended to it as a disctionary key.
In this case, like BahBahBah said too, create a object like "Account" and a list which contains multiple "Accounts".
This could be a simple class with two string properties, for your example.

Sorry for bad english, hope it helps.

There's no "BUT" here, what he is trying to do with a list is essentially what a Dictionary does best already. It's a list of key-value pairs, the only difference is that a Dictionary will only store one unique key per value and indexing by key will access the value associated with it.

[krumpez]

Edit : sry, If you do not mind the items being imutable you can use the Tuple class added to .net 4

ar list = new List<Tuple<string,string>>();
list.Add(new Tuple<string,string>("hello", "world"));

list[0].Item1 //Hello
list[0].Item2 //world

or as previously suggested use a dictionary

Dictionary<string, string> d = new Dictionary<string, string>();
d.Add("string", "string2");

[Ninja]

u can use an arraylist also

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