C# Simple One liner
\npublic class Solution {\n    public bool CheckIfPangram(string s) {\n        return ((new HashSet<char>(s)).Count == 26);      \n}\n\n\nAnother Approach:\n\np
```\npublic class Solution {\n    public bool CheckIfPangram(string s) {\n        return ((new HashSet<char>(s)).Count == 26);      \n}\n```\n\nAnother Approach:\n```\npublic class Solution {\n    public bool CheckIfPangram(string s) {\n        return ((s.ToCharArray()).Distinct().Count()) == 26;\n    }\n}\n```\n\n\nAnother Approach:\n```\npublic class Solution {\n    public bool CheckIfPangram(string s) {\n        for(char ch = \'a\'; ch <= \'z\'; ch++)\n            if(!s.Contains(ch))\n                return false;\n        return true;\n    }\n}\n```\n\nAnother Approach:\n```\npublic class Solution {\n    public bool CheckIfPangram(string s) {\n        int[] count = new int[26];\n        foreach(char ch in s)\n            count[ch-\'a\']++;\n        for(int i=0; i<26; i++)\n            if(count[i] == 0)\n                return false;\n        return true;\n    }\n}\n```
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