how to save split files chunk into database while uploading

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SQL-Server-2005

C#

ASP.NET

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hi
how to save file in db when large files upload and divided into small chunk size and append together and save in sql db using generic handler(.ashx) files.

i want to upload 200 mb files and divided into chunks but i donot understand how i append the chunks and store in db using generic handler (.ashx) files.


thanks iin advance
help please