File upload control size

Question

hi i want to get the size of upload file using js.

Manish Dwivedi · Answer

Hi This code is for those people who are using ActiveX object and knows that browser will support the below script. script language =”javascript” type =”text/javascript”> var objFSO ; try { objFSO = new ActiveXObject( “Scripting.FileSystemObject” ); } catch (err) { alert(err.message); alert(err.number); } function CheckExtention(el) // pass Upload File object’s ClientID here { var myel= document.getElementById(el); var file; var path = myel.value; //alert(path); file = objFSO.getFile(path); var size; size = file.size ; // This size will be in Bytes // We are converting it to KB as below alert( ‘File Size is : ‘ + file.size /1024 + ‘ KB’ ); } script >