Initial Comit

Helper/Base64Helper.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Helper
+{
+    public class Base64Helper
+
+    {
+        public string Base64 { get; set; } = string.Empty;
+
+        public string Base64Encoded { get; set; } = string.Empty;
+
+        public string GetBase64() => Base64.EncodeBase64();
+
+        public string DecodeBase64() => Base64.DecodeBase64();
+    }
+    public static class EncodeExtensions
+    {
+        public static string EncodeBase64(this string text) =>
+            Convert.ToBase64String(Encoding.ASCII.GetBytes(text.ToString() ?? throw new Exception("T Base64 is null.")));
+
+        public static string DecodeBase64(this string base64) =>
+            Encoding.UTF8.GetString(Convert.FromBase64String(base64 ?? throw new Exception("String Base64 is null.")));
+
+        public static byte[] DecodeBase642ByteArray(string base64) =>
+            Convert.FromBase64String(base64 ?? throw new Exception("String Base64 is null."));
+
+    }
+}
+
+    public class MyStringBase64
+    {
+
+}
+
+