How to get size of a file in aspx file upload control?

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I want to get the size of a file in aspx file upload control..can anyone help me?

Posted 31-Jan-13 19:11pm

Maruthiram_99

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Hemant Singh Rautela 1-Feb-13 1:42am

why not your search it first yourself...

A very beginner question, which solution is already on web...

3 solutions

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Santhosh Kumar Jayaraman · Answer 1 · 2013-01-31T19:16:00

C#

fileUpload1.FileBytes.Length

will give you size in bytes

Example

C#

int sizeinbytes=fileUpload1.FileBytes.Length;

also

you can try

C#

int sizeinbytes= FileUpload1.PostedFile.ContentLength;

Updated to display size in user friendly manner:

C#

string[] sizes = { "B", "KB", "MB", "GB" };
double sizeinbytes=fileUpload1.FileBytes.Length;
int order = 0;
while (sizeinbytes>= 1024 && order + 1 < sizes.Length) {
    order++;
    sizeinbytes= sizeinbytes/1024;
}

// Adjust the format string to your preferences. For example "{0:0.#}{1}" would
// show a single decimal place, and no space.
string result = String.Format("{0:0.##} {1}", sizeinbytes, sizes[order]);

[Edit - Just brought the OPs two answers into one.]
If you want to get file size through javascript,
then check this solution

File size detection[^]

AshishChaudha · Answer 2 · 2013-01-31T19:20:00

Solution 3

C#

int imageSize = myFileUploadControl.PostedFile.ContentLength;

Thanks

Posted 31-Jan-13 19:20pm

AshishChaudha

Comments

Maruthiram_99 1-Feb-13 1:31am

If we want the exact size of the file i.e in KB or MB the file is in...How to get it??

AshishChaudha 1-Feb-13 2:14am

Please update your question, what exactly you need to resolve..

vinodkumarnie · Answer 3 · 2013-01-31T23:01:00

Solution 4

content length = FileUpload1.PostedFile.ContentLength;

file name legth = FileUpload1.FileName.Length;

where FileUpload1 is a file upload control name..

...

Posted 31-Jan-13 23:01pm

vinodkumarnie