What is the best alternative of PHP associative array in c#?

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I have a php project. Now i am converting this project to Asp.net Mvc. In my php project i have an associative array like

PHP

$data['authorizationModules'] = array('01' => 'Apps Users Authorization',
                                      '02' => 'Device Authorization',
                                      '03' => 'Pin Reset Authorization',
                                      '04' => 'Admin User Authorization',
                                      '05' => 'Admin User Group Authorization',
                                      '06' => 'Limit Package Authorization');

Now i want the best way to convert this code into c#. Also i need to pass this array from my controller to the view and i need to loop through the array in the view to populate a drop-down.

HTML

<select>
    <option value="01">Apps Users Authorization</option>
</select>

So can anyone suggest me how can I do this?

Posted 7-Jul-15 21:41pm

smrafat

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Sergey Alexandrovich Kryukov · Answer 1 · 2015-07-07T21:51:00

I guess, it's not "alternative", but "analog", and not in "C#", but in .NET BCL. This is easy to answer: here is your choice:
https://msdn.microsoft.com/en-us/library/xfhwa508(v=vs.110).aspx[^],
https://msdn.microsoft.com/en-us/library/f7fta44c(v=vs.110).aspx[^],
https://msdn.microsoft.com/en-us/library/ms132319(v=vs.110).aspx[^].

It's up to you how you choose between them. Even though all three type provide O(1) time complexity in the search, the major differences are in the different trade-off between memory consumption and performance. For some food for thought, please see:
http://stackoverflow.com/questions/1427147/sortedlist-sorteddictionary-and-dictionary[^],
http://blog.bodurov.com/Performance-SortedList-SortedDictionary-Dictionary-Hashtable[^].

See also:
https://en.wikipedia.org/wiki/Big_O_notation[^],
https://en.wikipedia.org/wiki/Time_complexity#Table_of_common_time_complexities[^],
https://en.wikipedia.org/wiki/Computational_complexity_of_mathematical_operations[^].

—SA

Thomas Daniels · Answer 2 · 2015-07-07T21:56:00

You can use a Dictionary[^]:

C#

Dictionary<string, string> authorizationModules = new Dictionary<string, string>()
{
    { "01", "Apps Users Authorization"},
    { "02", "Device Authorization"},
    ...
};

Quote:
i need to loop through the array

You can loop over a Dictionary like this:

C#

foreach (KeyValuePair<string, string> pair in authorizationModules)
{
    string key = pair.Key;
    string value = pair.Value;
    // ...
}

What is the best alternative of PHP associative array in c#?

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