Code to upload file in c#

protected void btnUploadFile_Click(object sender, EventArgs e){
string sFilename = “”;// Check file size (mustn’t be 0)
HttpPostedFile myFile = FileUploading.PostedFile;int nFileLen = myFile.ContentLength;
if (nFileLen==0){
lblMsg.Text=“No valid file for upload.”;// return;
}
else
{
byte[] myData=new Byte[nFileLen];myFile.InputStream.Read(myData, 0, nFileLen);
sFilename=System.Guid.NewGuid().ToString().Replace(“-”, “”)+“_”+System.IO.Path.GetFileName(myFile.FileName);// Save the stream to disk
System.IO.FileStream newFile=new System.IO.FileStream(Server.MapPath(TaskManagementTool.Config.Path+sFilename), System.IO.FileMode.Create);newFile.Write(myData, 0, myData.Length);
newFile.Close();
TaskManagementTool.TaskDB taskDB=new TaskManagementTool.TaskDB();taskDB.AddUploadedFile(Convert.ToInt32(lblTaskId.Text), sFilename, ckIsPrivate.Checked);ShowUploadFiles();
}
// Read file into a data stream
//return sFilename;
}

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downloading file in c#

private void DownloadFile(String strFileName){FileStream fs;
string strContentType;string strPath=TaskManagementTool.Config.Path.ToString();
//Dim strFileName As String = Request.QueryString(”DocumentFile”)fs = File.Open(Server.MapPath(strPath + strFileName), FileMode.Open);
Byte[] bytBytes = new byte[fs.Length] ; // Write the stream to the byte array
fs.Read(bytBytes, 0, Convert.ToInt32(fs.Length)); // Close the file stream to release the resource
fs.Close();Response.AddHeader(“Content-disposition”, “attachment; filename=”+strFileName);
// Next we need to add some header information.// These headers [...]

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