[Solved] Concatenating int and list in c# [closed]

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If I understand you correctly, you want to add random number to every candidate key number. If that is the case try this. 

var candidatekey = new List<int> { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
var randomnumber=42;

//we are using LINQ on list
candidatekey=candidatekey.Select(c => c+randomnumber).ToList();

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solved Concatenating int and list in c# [closed]