Chuyển đổi hình thành chuỗi và ngược lại (IMAGE TO BASE64 STRING and BASE64 STRING TO IMAGE)

Image to Base64 String

[sourcecode language="CSharp"]
public string ImageToBase64(Image image, System.Drawing.Imaging.ImageFormat format)
{
using (MemoryStream ms = new MemoryStream())
{
// Convert Image to byte[]
image.Save(ms, format);
byte[] imageBytes = ms.ToArray();

// Convert byte[] to Base64 String
string base64String = Convert.ToBase64String(imageBytes);
return base64String;
}
}
[/sourcecode]

Base64 String to Image

[sourcecode language="CSharp"]
public Image Base64ToImage(string base64String) {
// Convert Base64 String to byte[] byte[]
imageBytes = Convert.FromBase64String(base64String);
MemoryStream ms = new MemoryStream(imageBytes, 0, imageBytes.Length);
// Convert byte[] to Image
ms.Write(imageBytes, 0, imageBytes.Length);
Image image = Image.FromStream(ms, true);
return image;
}
[/sourcecode]