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POError when sending Excel file as attachment
 

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  1. POError when sending Excel file as attachment
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    <p>I am trying to create and save an excel file on server and later send it as a document. At the time of adding attachment, I am getting below error. Anyone have any idea, how can I resolve it ?</p> <pre><code>The process cannot access the file because it is being used by another process </code></pre> <p>Please find the code which I am using to create excel file and return path, that will be later added as document :</p> <pre><code>Microsoft.Office.Interop.Excel.ApplicationClass excel = new Microsoft.Office.Interop.Excel.ApplicationClass(); string attachmentPath = Convert.ToString(ConfigurationManager.AppSettings["AttachmentPath"] as object); string path = attachmentPath + FileName; excel.Application.Workbooks.Add(true); int ColumnIndex = 0; foreach (DataColumn col in table.Columns) { ColumnIndex++; excel.Cells[1, ColumnIndex] = col.ColumnName; } int rowIndex = 0; foreach (DataRow row in table.Rows) { rowIndex++; ColumnIndex = 0; foreach (DataColumn col in table.Columns) { ColumnIndex++; excel.Cells[rowIndex + 1, ColumnIndex] = row[col.ColumnName].ToString(); } } excel.DisplayAlerts = false; excel.ActiveWorkbook.SaveAs(path, Microsoft.Office.Interop.Excel.XlFileFormat.xlWorkbookNormal, Type.Missing, Type.Missing, false, false, Microsoft.Office.Interop.Excel.XlSaveAsAccessMode.xlNoChange, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing); excel.Quit(); return path + ".xls"; </code></pre> <p>Below is the code where I use above path to add as an attachment to the email :</p> <pre><code> if (attachmentPaths != null &amp;&amp; attachmentPaths.Length &gt; 0) { foreach (string path in attachmentPaths) { if (!string.IsNullOrEmpty(path)) message.Attachments.Add(new System.Net.Mail.Attachment(path)); } } SmtpClient smtp = new SmtpClient(objBO.SmtpDomain); smtp.Send(message); </code></pre> <p>Kindly provide suggestions. Thanks, in advance.</p>
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    1. COI know this is a dumb question but you don't have the file open in excel or anything by chance do you?
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    2. CONo. I am creating excel file in code and sending it as attachment the next moment. In the later part I am supposed to delete the same excel file created. So no question of opening it manually meanwhile.
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    3. COYour site is probably running under an account with not all permission
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