get value from dictionary c# code example
Example 1: c# initialize dictionary
Dictionary<int, string> dictNew = new Dictionary<int,string>()
{
{1, "true"},
{2, "false"}
}
Example 2: c# dictionary get value by key
Dictionary<string, string> dict = new Dictionary<string, string>();
dict.Add("UserID", "test");
string userIDFromDictionaryByKey = dict["UserID"];
Example 3: access dic by key c#
using System;
using System.Collections.Generic;
class Program
{
static void Main()
{
Dictionary<string, int> dictionary = new Dictionary<string, int>();
dictionary.Add("apple", 1);
dictionary.Add("windows", 5);
if (dictionary.ContainsKey("apple"))
{
int value = dictionary["apple"];
Console.WriteLine(value);
}
if (!dictionary.ContainsKey("acorn"))
{
Console.WriteLine(false);
}
}
}
Example 4: dictionary c# get key by value
var myKey = types.FirstOrDefault(x => x.Value == "one").Key;
Example 5: c# dictionaries
IDictionary<int, string> dict = new Dictionary<int, string>();
Dictionary<int, string> dict = new Dictionary<int, string>();
Example 6: c sharp add item to dictionary
dict.Add(1,"One");