C# get string from list

Question

I am trying to get a string from a list in c#, but can't find a way to do it. Heres my code

public class CurrentCondition
{
    public string cloudcover { get; set; }
    public string humidity { get; set; }
    public string observation_time { get; set; }
    public string precipMM { get; set; }
    public string pressure { get; set; }
    public string temp_C { get; set; }
    public string temp_F { get; set; }
    public string visibility { get; set; }
    public string weatherCode { get; set; }
    public List<WeatherDesc> weatherDesc { get; set; }
    public List<WeatherIconUrl> weatherIconUrl { get; set; }
    public string winddir16Point { get; set; }
    public string winddirDegree { get; set; }
    public string windspeedKmph { get; set; }
    public string windspeedMiles { get; set; }
}
    public class Data
{
    public List<CurrentCondition> current_condition { get; set; }
}

and I want to get, for example, the temp_F string from the current_condition list. How can I do this?

You have a class named Data? Really?

Mitch Wheat
– Mitch Wheat

2013-03-04 00:46:47 +00:00
Commented Mar 4, 2013 at 0:46 — Mitch Wheat
– Mitch Wheat, Commented Mar 4, 2013 at 0:46
At least show us some fail tries

Jorge
– Jorge

2013-03-04 00:47:13 +00:00
Commented Mar 4, 2013 at 0:47 — Jorge
– Jorge, Commented Mar 4, 2013 at 0:47
@MitchWheat yea i should really rename that

j_lentini
– j_lentini

2013-03-04 00:52:21 +00:00
Commented Mar 4, 2013 at 0:52 — j_lentini
– j_lentini, Commented Mar 4, 2013 at 0:52

Grant Winney · Accepted Answer · 2013-03-04 01:08:49Z

3

Assuming you want all the temperatures from your list of CurrentCondition instances, you could do this easily using Linq:

List<string> temps = current_condition.Select(x => x.temp_F).ToList();

In light of the accepted answer, here's how to get a specific temperature with Linq:

string temp = current_condition.Where(x => x.observation_time == "08:30").FirstOrDefault(x => x.temp_F);

edited Mar 4, 2013 at 1:08

answered Mar 4, 2013 at 0:47

Grant Winney

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1 Comment

Eric J. Over a year ago

The updated answer doesn't actually give what the OP is looking for either, and is not in any way equivalent to the accepted answer.

Eric J. · Accepted Answer · 2013-03-04 00:47:08Z

2

Since current_condition is a list, you would have to know which list index you are interested in. Say you want index 0, you would write

Data data = new Data();
// Some code that populates `current_condition` must somehow run
string result = data.current_condition[0].temp_F.

answered Mar 4, 2013 at 0:47

Eric J.

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Comments

Eli White · Accepted Answer · 2013-03-04 00:48:40Z

1

List<string> list = new List<string>();
current_condition.ForEach(cond => list.Add(cond.temp_F));

answered Mar 4, 2013 at 0:48

Eli White

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Fred · Accepted Answer · 2013-03-04 00:51:04Z

0

You can use ElementAt(int) to access an object in a list.

String t = current_condition.ElementAt(index).temp_F;

answered Mar 4, 2013 at 0:51

Fred

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2 Comments

Eric J. Over a year ago

Or... why not just use the array index? No need to treat the List<T> as if it were an IEnumerable<T>. This solution is O(N), whereas using the array index is O(1).

Fred Over a year ago

Yup. You are right. As lots of beginners are confused with treating a list like an array I thought it would be better to post the "long" version. But your code is faster.

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