Solved

Control to load a JPG file - Binary stream

Posted on 2004-03-29
6
289 Views
Last Modified: 2008-02-01
Hi,

is there any control which can load a jpg file by passing the Binary stream.


pls let me know asap.
thanks.
0
Comment
Question by:chandua
  • 2
  • 2
6 Comments
 
LVL 22

Expert Comment

by:_TAD_
ID: 10709467


No, but you can load an image object from a stream and then drop that Image onto a picturebox.


it will look something like this:

picturebox1.Image = Image.FromStream(myBinaryStream);
0
 

Author Comment

by:chandua
ID: 10716766
hi TAD,

i am creating a Webpart (SPS 2003), i cant have a picture box in it.
0
 

Author Comment

by:chandua
ID: 10717036
hi TAD,

i am trying to get the stream from database
string sqlText = "SELECT img_data FROM Image WHERE img_pk = " + ImageId;
SqlConnection connection = new SqlConnection( ConfigurationSettings.AppSettings["DSN"].ToString() );
SqlCommand command = new SqlCommand( sqlText, connection);
 //open the database and get a datareader
connection.Open();
SqlDataReader dr = command.ExecuteReader();
if ( dr.Read()) //found image
{
 pictureBox1.Image=Image.FromStream((byte[]) dr["img_data"]);
}
i cant pass the dr["img_data"].. how do i convert to straeam/
0
 
LVL 22

Accepted Solution

by:
_TAD_ earned 200 total points
ID: 10719662


Create a Memory Stream.


MemoryStream memStr = new MemoryStream(myByteArray);
0

Featured Post

DevOps Toolchain Recommendations

Read this Gartner Research Note and discover how your IT organization can automate and optimize DevOps processes using a toolchain architecture.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

It seems a simple enough task, yet I see repeated questions asking how to do it: how to pass data between two forms. In this article, I will show you the different mechanisms available for you to do just that. This article is directed towards the .N…
In my previous two articles we discussed Binary Serialization (http://www.experts-exchange.com/A_4362.html) and XML Serialization (http://www.experts-exchange.com/A_4425.html). In this article we will try to know more about SOAP (Simple Object Acces…
Finds all prime numbers in a range requested and places them in a public primes() array. I've demostrated a template size of 30 (2 * 3 * 5) but larger templates can be built such 210  (2 * 3 * 5 * 7) or 2310  (2 * 3 * 5 * 7 * 11). The larger templa…
In an interesting question (https://www.experts-exchange.com/questions/29008360/) here at Experts Exchange, a member asked how to split a single image into multiple images. The primary usage for this is to place many photographs on a flatbed scanner…

829 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question