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create and download file

Posted on 2013-05-17
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Last Modified: 2013-05-25
hi, i have a page that i want when the user click on one button executes this function:

   Private Function CreateImg(ByVal sImage As String,) As System.Drawing.Bitmap

i want when the click happens execute this function and download the image file that is created to the computer of the user asking where the user want to be save.
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Question by:rafaelrgl
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5 Comments
 
LVL 75

Expert Comment

by:käµfm³d 👽
ID: 39175853
What is your question?
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LVL 22

Accepted Solution

by:
Mrunal earned 1400 total points
ID: 39175855
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LVL 1

Author Comment

by:rafaelrgl
ID: 39175951
this works for an file on the server:

String FileName = "FileName.txt";
String FilePath = "C:/...."; //Replace this
System.Web.HttpResponse response = System.Web.HttpContext.Current.Response;
response.ClearContent();
response.Clear();
response.ContentType = "text/plain";
response.AddHeader("Content-Disposition", "attachment; filename=" + FileName + ";");
response.TransmitFile(FilePath);
response.Flush();
response.End();

what i want is to use the function i mention above that returns an bitmap, convert to file and downloaded. this function downloads an file on the server using path, but i don't have that, i have the function that returns an bitmap.
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LVL 10

Assisted Solution

by:Monica P
Monica P earned 600 total points
ID: 39176725
Hi

Sorry i cannot clearly understood your request

check whether this sample meet your need

http://forums.asp.net/t/631768.aspx/
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LVL 1

Author Comment

by:rafaelrgl
ID: 39177807
i think i was not clear about what's the question, so let me try to explain, i have an webpage that on codebehind i have this function:

  Private Function CreateImg(ByVal sImage As String,) As System.Drawing.Bitmap

but it returns system.drawing.bitmap. what i want is to convert this into a file and download it to the user when the user clicks on a button, lets say:

'get the bitmap
createimg("ldfk")
download the image created to the user in jpg format
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