Labelformat.databaseconnections

Legacy Poster

• 29. Mai 2014 20:51

When I do this:

 

PrintLabelFormatTask printTask = new PrintLabelFormatTask("myformat.btw");

 

Then printTask.LabelFormat.DatabaseConnections doesn't have anything loaded even though it's been configured in myformat.btw. I need access to the text file database that's configured so that I can change the filename to read from a temp file.

 

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• 

  Ian Cummings

  Moderator

  ★ BarTender Hero ★

  • 30. Mai 2014 13:36

  Here is an example of setting the text file to use as the database connection in C#.

   

  public void Demo()
  {
     // Initialize a new BarTender print engine. 
     using (Engine btEngine = new Engine())
     {
        // Start the BarTender print engine.
        btEngine.Start();
  
        // Create an instance of TextFile 
        TextFile textFile = new TextFile("TextfileDatabase");
  
        // Provide a path to the text file.
        textFile.FileName = @"C:\TextfileDatabase.txt";
  
        // Initialize the format document 
        // (create a format with query prompts to use this example).
        LabelFormatDocument btFormat = btEngine.Documents.Open(@"C:\FormatWithQueryPrompts.btw");
  
        // Set the database connection created above.
        btFormat.DatabaseConnections.SetDatabaseConnection(textFile);
  
        // Print the format.
        btFormat.Print();
  
        // Close the current format without saving.
        btFormat.Close(SaveOptions.DoNotSaveChanges);
  
        // Stop the BarTender print engine.
        btEngine.Stop();
     }
  }
  

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• 

  Legacy Poster

  ★ BarTender Hero ★

  • 30. Mai 2014 15:43

  I've tried that, but I'm trying to make a web based printing app.  I'd like to use the TaskManager to manage engines so that I don't have to make up my own.  Also, I couldn't get any error events to fire when printing doesn't work. All the events seem to work much better when using TaskManager.

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