Encode & Decode

Base64

• Encode:
  string encodedData = Convert.ToBase64String(System.Text.Encoding.ASCII.GetBytes(originalData));
  
• Decode:
  string decodedData = System.Text.Encoding.ASCII.GetString(Convert.FromBase64String(originalData));

Url

• Encode:
  string encodedData = System.Web.HttpUtility.UrlEncode(originalData);
  
• Decode:
  string decodedData = System.Web.HttpUtility.UrlDecode(originalData);

HTML

• Encode:
  string encodedData = System.Web.HttpUtility.HTMLEncode(originalData);
  
• Decode:
  string decodedData = System.Web.HttpUtility.HTMLDecode(originalData);