Questions on Telerik Document Processing Forum

5 answers

836 views

Very high memory consumption while exporting RadFixedDocument with images to PDF

I am trying to export a number of images (up to several hundreds) into a PDF file (client-side in Silverlight). Here is a sample code that simulates this task:

// controlToExport is a control on the screen

RadBitmap bitmap = new RadBitmap(controlToExport);

for (int i = 0; i < 50; i++)

{

var page = this.document.Pages.AddPage();

page.Content.AddImage(new Telerik.Windows.Documents.Fixed.Model.Resources.ImageSource(bitmap.Bitmap));

}

// stream is User's file

var exportProvider = new Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.PdfFormatProvider();

exportProvider.Export(this.document, stream);

This works but the export consumes ~500MB of memory while busy, which causes out-of-memory exceptions on lower end machines. How can I minimize the memory consumption.

In the real scenario, the loop will create many different images and will add them to the document instead of adding same image many times.

PdfProcessing

answered on 20 Mar 2017

3 answers

384 views

Enumerate and Modify MergeField content

Hi,

I want to enumerate and modify mergefields manually in a table, because Telerik is currently not supported nested mail merge (ref: https://feedback.telerik.com/Project/184/Feedback/Details/190035-wordsprocessing-nested-mail-merge)

I found some code snippets similar to code below, but i can't find the FieldRangeStart type in the Word Processing Libraries for ASP.NET Ajax, seems it's works only WPF libraries? Isn't it?

foreach (FieldRangeStart fieldStart in document.EnumerateChildrenOfType<FieldRangeStart>())

{

if (fieldStart.Field is MergeField)

{

mergeFields.Add(fieldStart);

}

What do you suggest for enumerate and modify merge fields manually?

WordsProcessing

answered on 02 Mar 2017

1 answer

188 views

Formatting text colours, fonts, keylines

I am attempting to format the text, according to the attached example, and place keylines of different sizes. Any help would be appreciated.

Dim document As New RadFlowDocument()

Dim editor As New RadFlowDocumentEditor(document)

'insert logo

editor.InsertBreak(BreakType.LineBreak)

Using fs As New FileStream(System.Web.HttpContext.Current.Server.MapPath("~/Assets/logo.png"), FileMode.Open, FileAccess.Read)

editor.InsertImageInline(fs, "png")

End Using

editor.InsertBreak(BreakType.LineBreak)

editor.InsertLine("Application Name")

editor.InsertLine("Application ID")

editor.InsertLine("Status")

editor.InsertLine("Deadline Date")

WordsProcessing

answered on 28 Feb 2017

1 answer

245 views

Updating Document custom properties

Hello,

Is there a way to read/update document custom properties?

Say I have a document that has fields inserted into the text (with DOCPROPERTY) that are pointing to a custom document property. I would like to open the document, update the custom document properties and then do an update of all fields (I found I can trigger the update thru UpdateFields method or when Exporting by setting the appropriate flag).

I have not found any mention in the documentation about how I would be able to update an existing document custom property. Could someone point me in the right direction?

Thank you

WordsProcessing

answered on 24 Feb 2017

6 answers

125 views

Small computed numbers

Hello,

i have trouble reading small numbers from xlsx-files by using the spread processing components. in the attached file you can see an example. column A contains the values i want to read which are computed from row 2 to row 8. the used formula can be seen in column B. column C contains the values that the spread processing is able to read using

workbook.Worksheets[0].Cells[4,0].GetValue().Value.GetResultValueAsString(CellValueFormat.GeneralFormat)

i'm able to read small numbers that aren't computed by using

workbook.Worksheets[0].Cells[4,0].GetValue().Value.RawValue

what is the proper way to read the computed result values?

SpreadProcessing

answered on 17 Feb 2017

1 answer

145 views

Problem reading pasted values

I'm having a problem reading values from a cell when a certain user is pasting into the spreadsheet and keeping the existing formatting. When I target the cell and use the GetValue() method I get no result. When I tore apart the spreadsheet I see that the expected value "Blah Blah Blah" is wrapped in a RichTextRun. Is there another way that I can drill into the details of this cell to get this value?

SpreadProcessing

answered on 14 Feb 2017

1 answer

373 views

Insert special characters

I need to document generation insert special characters (CHECKBOX True / False), please could someone direct me to the correct procedure?

well thank you

WordsProcessing

answered on 10 Feb 2017

1 answer

164 views

Tabs stops lost when merging data

Hi Guys,

I finally race through a quite exciting one; WordsProcessing capabilities of Telerik UI for ASP.NET AJAX.

After a couple of reading, I try now to :

Upload a word document pre-formatted that will be used for mail merge: OK!
Access central DB to retrieve dataset: OK!
Download the resulting Word docx file: OK!
Opening to check if everything went fine: OK!
Checking inline formatting: FAILED!

Well, not at all but partially failed. I lost my header picture (but I may need to dig deeper into this question) and, most important, I lost my tab stops defined by paragraph in the MS-Word file where I have the MERGE field, why does it happened? If I open again the initial document (let call it the source) in MS-Word, I can see the tab stops and everything looks fine. Do I miss a special setup?

Have you gone through the same issue? If yes, can you point me in the good direction to fix this? Thank you for your help.

Best Regards,
David

WordsProcessing