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Join us on the GrapeCity world tour!

Join GrapeCity as our developers check out the country’s premier conferences, trade shows, code camps, and events!

How to import XLSX from a URL with pure JS logic

The Client-Side ExcelIO component is pure JavaScript logic for importing and exporting Excel files, and is built right into SpreadJS. This is useful when you need to make your application platform-independent. Unlike the Server-Side ExcelIO component, the client-side component doesn’t require Windows Server. You can use this to import files from the user’s system, and to import Excel files hosted on the server using their URLs.

Creating Simple Reports with React and Wijmo Core

Reporting is a common requirement for business applications, and React is one of the most popular JavaScript libraries.

Wijmo build 5.20172.359 Available

Wijmo's build 359 is available.

Easy Undo/Redo for HTML Forms

A friend of mine once told me he had an idea for the “ultimate killer app”. It would be a form with two buttons: “Undo” and “Redo”. If you find this funny if you are a probably a geek like me...

A Look at .NET Core 2.0 and .NET 2.0 Standard

Microsoft’s .NET Core 2.0 and the .NET Standard 2.0 specification have been finalized for a few weeks now, and we’re beginning to see new libraries to support them (such as our own Spread.Services and ComponentOne MVC Edition and Web API controls). For many users, it might not yet be clear why these technologies are important and how they’ll impact their work.

How to painlessly design ActiveReports with PostgreSQL

PostgreSQL is one of the most commonly used open source data sources. It has an interface that makes it easier to use than MySQL. Recently one of our customers asked how to bind ActiveReports to a PostgreSQL database, so I decided to write this blog article to help other customers who work with PostgreSQL.

JavaScript IntelliSense improvement in ASP.NET MVC Edition

We have added a cast method to the client API that lets you use the client side reference of MVC controls as typed objects.

ASP.NET Core MVC Edition is now Core 2.0 compatible

Get the latest Core 2.0-compatible bits from ComponentOne: ASP.NET MVC and Web API

Working with ASP.NET Core Razor Pages

ASP.NET Core 2.0 added an excellent feature called Razor Pages that enables easy page-focused application development.

GrapeCity Spread.Services 1.3.0 Officially Released!

Spread.Services is a new GrapeCity spreadsheet server component for .NET Core and developers across all .NET platforms, including:

Getting Started with TreeView for ASP.NET MVC and Core

Use TreeView to display the headings in a document, the entries in an index, the files and directories on a disk, or any other kind of information that would be best displayed as a hierarchy.

Spread v10 SP2 Release

We've released Spread V10 SP2. This release adds several features and fixes many reported issues. The biggest new feature is for SpreadJS.Sheets: Support for Angular! Here is a list of the resolved issues:

Pivoting data in Microsoft Dynamics 365 using Wijmo OLAP

The numerous entities and records in the back-end that generally compose Dynamics 365 applications can make it difficult for business analysts to analyze their data on a day-to-day basis, gather useful information, and then make recommendations to business stakeholders. Although reporting tools can help, they lack the business intelligence required to extrapolate meaningful information to empower the stakeholders to make timely decisions.

Miss our webinar? We've got you covered.

UPDATE: On August 9th, one of our Product Managers, Mateen Firoz, presented a free webinar introducing the new features of ActiveReports 11 Service Pack 2.

Using ASP.NET Core MVC and Web API to Render SSAS Cubes (Part 2)

In Part 1 of this blog post, you learned how to use Wijmo Enterprise pivot controls in conjunction with the ASP.NET MVC Edition of ComponentOne Studio to consume and render SQL Server Analysis Services (SSAS) cubes. Part 1 used Microsoft's full-featured, professional development environment, Visual Studio 2017. In Part 2, you will learn how to implement the same functionality using Visual Studio Code, Microsoft's free, open-source editor.

Getting Started with MultiAutoComplete for ASP.NET MVC

As of July 2017, users can select multiple items from a collection of objects in ASP.NET MVC with MultiAutoComplete. In the autocomplete control, selected items appear as tags in the text area of the control, and you can remove items from selection by clicking on the "X" in each tag.

Wijmo Build 5.20172.334 Available

Build 334 has released, it is mainly a bug fix release, but we added a few improvements too.

Using ASP.NET Core MVC and Web API to Render SSAS Cubes (Part 1)

Wijmo Enterprise includes an OLAP module for creating web-based pivot tables and charts with all data aggregation performed on the client side. While this approach is suitable for handling thousands of records, it's not practical for large data sets containing hundreds of millions of records. Specifically, if your data is stored in SQL Server Analysis Services (SSAS) cubes, you will want to take advantage of the server-side processing that is already in place. Fortunately, as of the 2017 v1 release, Wijmo's pivot controls can now consume SSAS cubes when used in conjunction with the ASP.NET MVC Edition of ComponentOne Studio.