Comparing elements of List<object[]> with List<string>

Question

@Jack J Jun , I am working on the same program where i have to compare the list of strings with list of objects. Both the list of objects and list of string contains data in the following format.

I am trying to compare all the names in the list of strings(defined as list in my example) with the names in the index[0] of each object of list of objects(listnew in my case) . If the name is found at the index[0] do nothing and if not add that name to the list of objects.

i cannot add the full code here so i use the text file
268486-query8dec.txt

Answer 1

@ankit goel , Welcome to Microsoft Q&A,

I make some changes in my code.

Here is a code example you could refer to.

var result1 = listnew.Select(m => m[0]).ToList();  
        var result = result1.Except(list);  
        listnew.RemoveAll(m => result.Contains(m[0]));  
        for (int i = 0; i < list.Count; i++)  
        {  
            if (!result1.Contains(list[i]))  
            {  
                listnew.Add(new object[] { list[i],0 });  
            }  

        }  
        foreach (var item in listnew)  
        {  
            Console.WriteLine(item[0] + "**" +item[1]);  
        }  

Tested result:

Hope this could help you.
Best Regards,
Jack

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