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Accepted
Yoel Rodriguez
Asked: 2020-06-08 12:44:49 +0800 CST 2020-06-08 12:44:49 +0800 CST

Form array in C# with string key

  • 772

I have the following problem, I want to make an array in C# where the key is a string and then separate the key from the value with a foreach in php I make the array as follows Ex.:

$array['key_name'] = "value1";

I have searched a bit on the internet and found the following:

    var datos = new Dictionary<string, string>();
    datos ["fondo"] = "LA9018-58-896.png";
    datos ["codigo"] = "LA9018";

and to extract the value it would only be like this:

string aValue = datos["fondo"];

what i get

LA9018-58-896.png

The problem I have is that I only get a single key and what I want is to do it dynamically with a foreach . Saving the key in one variable and the value in another .

c#

1 Answers

  1. Best Answer

    In C# arrays always have numeric indices.

    What you are creating is a ´Dictionary` object in which each element is a key-value pair, in your case both of type string.

    You can iterate through the elements of the Dictionary object with a foreach like you do in php. Each element obtained in the iteration will be a key-value pair, so you can access the key through the Key property and the value through the Value property:

            var datos = new Dictionary<string, string>
        {
            ["fondo"] = "LA9018-58-896.png",
            ["codigo"] = "LA9018"
        };

        foreach (var item in datos)
        {
            Debug.WriteLine($"{item.Key}: {item.Value}");
            // Tratamiento del elemento item
        }
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