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Limit file to i MegaByte

Posted on 2013-02-03
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Last Modified: 2013-02-05
I have a file upload page and I want to limit the file size to 1 MegaByte. I did this but looks like it's not correct because i have a file of 2404KB that I cant upload. CurrentLength is in Bytes
 if (file.ContentLength > 1048576)
                {
                   lmsg.Text = "Maximum file size is 1 MegaByte";
                   return;
                }


What value should I use?
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Question by:Camillia
  • 2
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5 Comments
 
LVL 26

Accepted Solution

by:
Shaun Kline earned 500 total points
ID: 38849809
A megabyte is 1024 kilobytes which is 1048576 bytes. Your algorithm is working correctly. If you want allow 2404 kilobytes, you will need to change 1048576 to 2461696.
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Author Comment

by:Camillia
ID: 38849812
Is there a "standard" file size in ASP.Net that should be allowed for a user to upload? or is it all depends on the application/business logic?
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LVL 26

Expert Comment

by:Shaun Kline
ID: 38849825
There is no standard. It is as you said, dependent on the business logic/need.
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LVL 29

Expert Comment

by:Kumaraswamy R
ID: 38849971
try

long[] numbersToConvert = { 162345, 32183, -54000, Int64.MaxValue/2 };
int newNumber;
foreach (long number in numbersToConvert)
{
   if (number >= Int32.MinValue && number <= Int32.MaxValue)
   {
      newNumber = Convert.ToInt32(number);
      Responce.write("Successfully converted {0} to an Int32.",
                        newNumber);
   }
   else
   {
      Responce.write("Unable to convert {0} to an Int32.", number);
   }
}
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LVL 7

Author Comment

by:Camillia
ID: 38851014
What does that code do?
0

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