DeleteAttachments Method

In This Topic

Deletes attachment(s) provided by attachmentID that are associated with the row. This method must be called on the MCT. Use QueuedTask.Run.

Syntax

C#
Visual Basic (Declaration)

public IReadOnlyDictionary<long,Exception> DeleteAttachments( 
   IEnumerable<long> attachmentIDs
)

Public Function DeleteAttachments( _
   Optional ByVal attachmentIDs As IEnumerable(Of Long) _
) As IReadOnlyDictionary(Of Long,Exception)

Parameters

attachmentIDs: The attachment IDs of the attachment documents to be remove.

Return Value

A Dictionary that holds zero or more key/value pairs where the existence of each key represents the attachment ID and the value represents the exception that has occurred while deleting the attachment in the table or feature class. If the operation is successful, the returned Dictionary is empty.

Exceptions

Exception	Description
ArcGIS.Core.Data.Exceptions.GeodatabaseAttachmentNotEnabledException	The table or feature class has not been enabled for attachment creation.
ArcGIS.Core.Data.Exceptions.GeodatabaseException	A geodatabase-related exception has occurred.

Example

Deleting Attachments

public async Task DeletingAttachments()
{
  await ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
  {
    using (Geodatabase geodatabase = new Geodatabase(new DatabaseConnectionFile(new Uri("path\\to\\sde\\file\\sdefile.sde"))))
    using (Table inspectionTable = geodatabase.OpenDataset<Table>("luCodeInspection"))
    {
      QueryFilter queryFilter = new QueryFilter { WhereClause = "ACTION = '1st Notice'" };

      using (RowCursor cursor = inspectionTable.Search(queryFilter, false))
      {
        while (cursor.MoveNext())
        {
          using (Row currentRow = cursor.Current)
          {
            IReadOnlyList<Attachment> rowAttachments = currentRow.GetAttachments(null, true);
            IEnumerable<Attachment> attachments = rowAttachments.Where(attachment => attachment.GetContentType().Equals("application/pdf"));

            var attachmentIDs = attachments.Select(attachment => attachment.GetAttachmentID()) as IReadOnlyList<long>;
            IReadOnlyDictionary<long, Exception> failures = currentRow.DeleteAttachments(attachmentIDs);

            if (failures.Count > 0)
            {
              //process errors
            }
          }
        }
      }
    }
  });
}

Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

Reference

Row Class
Row Members

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