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How can I convert IList<object> to string array? – Telegram API

How can I convert IList objects to string array?

While working on the telegram bot, some difficulties arose. I get a IList<object> from google table with some information. I need to convert this IList<object> to an array of strings. How can I do this?

static void ReadBudgetTypes()
{
    var range = $"{settingsSheet}!B3:B";
    var request = service.Spreadsheets.Values.Get(SpreadsheetId, range);
    var response = request.Execute();
    var values = response.Values; // here i get list of objects from google table

    if (values != null && values.Count > 0)
    {
        foreach (var row in values)
        {
            Console.WriteLine("{0}", row[0]);
        }
    }
    else
    {
        Console.WriteLine("No data!");
    }
}
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3

Answers


  1. 0

    you can try this:

    var tempList=List<string>();
string[] arrayList=null;
if (values != null && values.Count > 0)
 {
      foreach (var row in values)
      {
         tempList.Add(row[0]);
      }
   arrayList=tempList.ToArray();
}
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  2. 0

    Try something like this:

        IList<object> list = new List<object>(){ "something", "something else" };
    string[] array = list.Select(item => (String)item).ToArray();
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  3. 0

    Assuming cells may not be strings and may (or may not) have null values, you can print for each cell of the row:

    // assumes ToString() gives a meaningful string
var listOfStrings = row.Select(x => x?.ToString()).ToList();
foreach(string cell in listOfStrings)
    Console.WriteLine(cell);

    or the whole row, joined by a separator

        Console.WriteLine(string.Join(", ", row);

    If you know the cells are strings you can just cast

    var listOfStrings = row.Cast<string>().ToList();
// or
var listOfStrings = row.Select(x => (string)x).ToList();

    and then repeat either of the above (loop or string.Join).

    If items could be null,

    var listOfStrings = row.Select(x => (x ?? (object)"").ToString()).ToList();
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