How to get the keys on the basis of corresponding values from a dictionary

Question

Hello , I have a dictionary of type (Integer , string) where key is index of row and value is its string value.

I need to get the keys on the basis of value i.e. If I have NewYork , I want 3 as key. Dictionary is as follows:

1 London
2 Paris
3 NewYork
4 Tokyo
5 Mumbai

Answer 1

Hi there, if you need to get the key based on its value, then you can try like this.

yourDictionary.FirstOrDefault(Function(x) x.Value.Contains("passvaluehere")).Key

where x is Linq Lambda expression.