Hello,

I have a docx template file that contains both MERGEFIELD and CheckBox.

Using version 2021.1.118 of Telerik.Windows.Documents.Flow I perform MailMerge on that document.

After mailmerge the Checkbox control in the output document looses its style when being manually triggered. Manually triggering checkbox in original template does not change original style.

It's expected, that after mailmerge the Checkbox behaves as before mailmerge.

 

The complete demo is here:

https://github.com/vslynko/telerik-mailmerge-bugreport

While evaluating Telerik.Documents.Spreadsheet.Trial (2021.1.118) I've encountered a bug with registering custom functions in .NET 5.

 

I'm using a console application, and trying to register a couple of functions right at the start of the Main() method. It works like a charm with target framework netcoreapp3.1.

But as soon as I bump the version to net5.0, registering a function throws an exception (I've copied the full stack below).

Perhaps you can guide me what happens? We're currently evaluating on upgrading our license for the latest features, but this thing could be crucial to us, since we need to use .NET 5 for a couple of reasons.

 

I'm calling them right at the start of the applicaption

 

Here's the exception stack:

Unhandled exception. System.TypeInitializationException: The type initializer for 'Telerik.Windows.Documents.Spreadsheet.Expressions.Functions.FunctionManager' threw an exception.
 ---> System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation.
 ---> System.TypeInitializationException: The type initializer for 'Telerik.Windows.Documents.Spreadsheet.Expressions.Functions.Db' threw an exception.
 ---> System.ArgumentOutOfRangeException: Index and count must refer to a location within the string. (Parameter 'count')
   at System.String.Remove(Int32 startIndex, Int32 count)
   at Telerik.Windows.Documents.Spreadsheet.Formatting.FormatHelper.FindAllOccurrences(String value, String part)
   at Telerik.Windows.Documents.Spreadsheet.Formatting.FormatHelper.ReplaceSeparators(String formatString, Predicate`1 shouldReplaceWithGroupSeparator, Predicate`1 shouldReplaceWithDecimalSeparator, String newGroupSeparat
or, String newDecimalSeparator)
   at Telerik.Windows.Documents.Spreadsheet.Formatting.FormatHelper.ReplaceCultureSpecificSeparatorsWithDefaults(String formatString, Nullable`1 formatStringCategory)
   at Telerik.Windows.Documents.Spreadsheet.Model.CellValueFormat..ctor(String formatString, Boolean convertToInvariant, Nullable`1 formatStringCategory)
   at Telerik.Windows.Documents.Spreadsheet.Model.CellValueFormat..ctor(String formatString)
   at Telerik.Windows.Documents.Spreadsheet.Expressions.Functions.Db..cctor()
   --- End of inner exception stack trace ---
   at Telerik.Windows.Documents.Spreadsheet.Expressions.Functions.Db..ctor()
   --- End of inner exception stack trace ---
   at System.RuntimeTypeHandle.CreateInstance(RuntimeType type, Boolean publicOnly, Boolean wrapExceptions, Boolean& canBeCached, RuntimeMethodHandleInternal& ctor, Boolean& hasNoDefaultCtor)
   at System.RuntimeType.CreateInstanceDefaultCtorSlow(Boolean publicOnly, Boolean wrapExceptions, Boolean fillCache)
   at System.RuntimeType.CreateInstanceDefaultCtor(Boolean publicOnly, Boolean skipCheckThis, Boolean fillCache, Boolean wrapExceptions)
   at System.Activator.CreateInstance(Type type, Boolean nonPublic, Boolean wrapExceptions)
   at System.Activator.CreateInstance(Type type)
   at Telerik.Windows.Documents.Spreadsheet.Expressions.Functions.FunctionManager..cctor()
   --- End of inner exception stack trace ---
   at Telerik.Windows.Documents.Spreadsheet.Expressions.Functions.FunctionManager.RegisterFunction(FunctionBase function)
   at Iface.Oik.ScriptEngine.Program.Main(String[] args) in C:\Users\alexeid\Rider\Iface.Oik.ScriptEngine\src\Program.cs:line 20

Before I start down the path of using RadSpreadsheet I want to verify that it will do what I want.  
I would like to use the spreadsheet to do some custom background calculations in a SaaS environment.  The end user would create their own spreadsheets with links to data in their database (maybe using Custom Functions).  The spreadsheet would be calculated in the backend every few minutes, pulling in updated data and solving the spreadsheet.  The output cells (again using Custom Functions) would update the customer's data tables.
Is that a viable use-case for RadSpreadsheet?  I realize the input and output connections to the external data is not part of RadSpreadsheet but it seems like Custom Functions might get me there.
Is there any information on the order of solving calculations in formulas cells?   

How do I get (or "read") a table cell's text value?

For example:

 

In the code above I am trying to iterate through the collection of columns to find the one that contains text «Signature» so that I can replace that text with an image. The beast I could do is use the run as shown above but it never finds the value (although the value is in the table).

Thanks

 

 

 

Is there any support for converting PowerPoint (PPT, PPTX) files to PDF?

Hi,

I would like to export some excel files in a zip without writing on disk.

I have seen ZipLibrary example and I would like to adapt it with excel (if possible).

The idea is to do something like this in "OnClick" event for exemple (see code bellow)

Thanks in advance for your help

Do you have any sample code to set a form field with an image so that the image is centered in the form field but keeps it's aspect ratio without going outside the bounding box? Does the image need to be resized first to reduce filesize?

Thanks.

I am placing a image in a table cell and below the image I will be adding 1 to 3 lines of text.   I have it all working, but have 2 questions.

 

1.  I would like to center the image vertically in the table cell.

 

2. I want to single space the inserted text (paragraph) 

 

Below is my code:

 using (Stream firstImage = File.OpenRead(outputFileName))
                            {
                                var inImage = table1.Rows[x].Cells[y].Blocks.AddParagraph().Inlines.AddImageInline();

                                inImage.Image.Size = new System.Windows.Size(colWidth, colWidth);

                                inImage.Image.LockAspectRatio = true;
                                inImage.Image.ImageSource = new Telerik.Windows.Documents.Media.ImageSource(firstImage, "jpg");
                            }
                            table1.Rows[x].Cells[y].Blocks.AddParagraph().Inlines.AddRun(Path.GetFileNameWithoutExtension(h.fileName)); // filename

Hello,

 

I'm trying to work with Telerik PDF-Processing right now. But an issue appeared, that I have no clue how to solve.

In this current project, time is a very important aspect, so it's necessary for me to save milliseconds everywhere i can. So I logged the time for all of the Processes and, I don't know why, the first time, i use the methods, it needs more time, than the other later runs.

Here's a simple example out of this project:

 

 private List<RadFixedPage> GetAllAddingPages(List<string> pathList)
        {    
            List<RadFixedPage> AllPages = new List<RadFixedPage>();

            for (int i = 1; i < pathList.Count; i++)
            {
                RadFixedPage read = provider.Import(File.ReadAllBytes(pathList[i])).Pages[0];
                AllPages.Add(read);
            }
            return AllPages;
        }

 

The method's supposed to read the first pages of every document, that is filled in the "PathList." 

I've stopped the first run and it needed about 150-160ms to execute. The second run is all about 20ms. There are only 3 Files that've been loaded.

So i tested more..

If i only load a document, that has no Image inside, it needs about the same time on the first run. If afterwards a document is loaded with only an Image, it needs long time also (103ms). If I open 3 documents (Vectorgraphics, Images and Text) it needs the 150-160ms. 

 

Is this a known issue, or can somebody maybe help me with this?

This is only one example, where this problem appears. But if there is a solution for this one, i can maybe apply it to the other methods.

 

Best regards

Jakob

I have a table that has a variable number of columns (from 2 to 6)

I set preferredWidth  based on number of columns as follows:

 table1.PreferredWidth = new TableWidthUnit(TableWidthUnitType.Percent, 100);

 

I am inserting images into each table cell, but I want specify the size of the image based on the cell width

 

How do I get the cell width?

var inImage = table1.Rows[x].Cells[y].Blocks.AddParagraph().Inlines.AddImageInline();
                        var cellWidth =??
                         inImage.Image.Size = new System.Windows.Size(cellWidth, cellWidth);