How to convert base64 string into image in wcf service

Shahbaz Kaware

7y2.5k

string _base64ImgString = objGenRequest.searchVal6.Replace("data: image", "").Replace("\"", "").Split(' ')[0].Replace("data:image/png;base64,", "");

Bitmap UploadImage = new Bitmap();

string path = HostingEnvironment.MapPath("~/Upload Images/Hello.jpg");

using (MemoryStream memory = new MemoryStream())

{

using (FileStream fs = new FileStream(path, FileMode.Create, FileAccess.ReadWrite))

{

UploadImage.Save(memory, ImageFormat.Png);

byte[] bytes = memory.ToArray();

_base64ImgString = Convert.ToBase64String(bytes);

fs.Write(bytes, 0, bytes.Length);

}

Please help me im new to wcf

5 Replies

Know the answer? Post it — somebody with the same question will find it here.

Mageshwaran R7y ago
Accepted answer
Hi Shahbaz:[Solved]
I have attached wcf[imageservice] and winform[Imagewinsample] Zip file.please download and execute folder then add your connectionstring in webconfig file[imageservice].
+1
Shahbaz Kaware7y ago
string _base64ImgString = objGenRequest.searchVal6.Replace("data: application", "").Replace("\"", "").Split(' ')[0].Replace("data:application/pdf;base64,", "");
File.WriteAllBytes(@"E:\Shahbaz\ProviderServices\Upload Images\hello.pdf", Convert.FromBase64String(_base64ImgString));

the above is my code and its generated the blank pdf
0
Shahbaz Kaware7y ago
Mangesh the link u have shared is not helping me can u plz have a look atr my code.

I have been generatead a pdf in my folder but its blank.
0
Mageshwaran R7y ago
Hi shahbaz,

Try to refer below links:

http://www.c-sharpcorner.com/blogs/6287/save-pdf-file-in-sql-server-database-using-c-sharp.aspx

http://www.aspsnippets.com/Articles/Save-and-Retrieve-Files-from-SQL-Server-Database-in-ASPNet-using-C-and-VBNet.aspx

0
Shahbaz Kaware7y ago
Thanks mangesh for your reply

string _base64ImgString = objGenRequest.searchVal6.Replace("data: application", "").Replace("\"", "").Split(' ')[0].Replace("data:application/pdf;base64,", "");
string path = HostingEnvironment.MapPath("~/Upload Images/hello.pdf");
using (MemoryStream memory = new MemoryStream())
{
using (FileStream fs = new FileStream(path, FileMode.Create, FileAccess.ReadWrite))
{
//qrCodeImage.Save(memory, ImageFormat.pdf);
byte[] bytes = memory.ToArray();
_base64ImgString = Convert.ToBase64String(bytes);
fs.Write(bytes, 0, bytes.Length);
}
}

now i want to store the pdf in my folder im storing the pdf file but it blank

0