Here Mudassar Ahmed Khan has explained with an example, how to upload file using Web Service (ASMX) in ASP.Net using C# and VB.Net.
First the file will be uploaded using FileUpload control and then the uploaded file will be converted to Byte Array and finally the Byte Array will be passed to the Web Service (ASMX) in ASP.Net using C# and VB.Net.
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