Latest Posts

Using the MultiColumnComboBox Extension for ComboBox

This blog explores the new MultiColumnComboBox Control, an extension of C1 ComboBox Control.

July 11, 2019

Welcome to the ComponentOne Control Panel (Video)

The Control Panel replaces the traditional ComponentOne web installer. This article is an overview of the ControlPanel and its functionality.

March 25, 2019

New Release! ComponentOne Studio Enterprise 2019 v1

We’re excited to announce the release of ComponentOne Studio 2019 v1.

March 21, 2019

New in WPF, UWP, and Xamarin: Universally Add Custom Icons to the XAML FlexGrids using C1Icon

A common request from our customers is the ability to customize icons within FlexGrid, and we’re going to begin offering that functionality in 2018v3 with the new C1Icon object for WPF, UWP, and Xamarin.

November 29, 2018

What's new in ComponentOne Studio for Xamarin 2018 v3

We’re excited to announce the release of ComponentOne Studio for Xamarin 2018 v3, which includes many enhancements to the suite.

November 28, 2018

GrapeCity releases ComponentOne Ultimate 2018 v2

GrapeCity Developer Solutions is pleased to announce the launch of ComponentOne Ultimate 2018 v2, which includes new controls, designers, and enhancements in ComponentOne Studio Enterprise, Wijmo, and ComponentOne Studio for Xamarin.

July 18, 2018

New release! ComponentOne Studio Enterprise, 2018 v2

We're pleased to announce GrapeCity's second major release of 2018. The new Dashboard Layout enables you to build BI dashboards in your .NET apps! You'll also find some great new charts and .NET grid enhancements.

July 18, 2018

How to Add Security in Web API

Web API (C1WebApi) provides a set of RESTful HTTP services layered over ASP.NET and ASP.NET Core Web API. It supports security from its feature set, allowing the flexibility of an out-of-the-box customization.

July 16, 2018

ComponentOne Studio for Xamarin Hotfix 3.0.20181.282

A hotfix for ComponentOne Studio for Xamarin is now available via the GrapeCity NuGet server and nuget.org as build 3.0.20181.282.

May 31, 2018

How to Create a Cart List using DataGrid for WinForms

This article demonstrates a step by step process of creating a cart list using DataGrid for WinForms.

May 29, 2018

New Release! ComponentOne Studio for Xamarin 2018 v1

We’re excited to announce the release of ComponentOne Studio for Xamarin 2018 v1, which brings plenty of enhancements to the control suite.  The new release contains many new features, samples, and even a new project template.

April 3, 2018

Spread.Services releases new service pack with enhanced SpreadJS JSON support

A Spread.Services service pack has released with enhanced support for SpreadJS JSON data and Xamarin.iOS.

December 12, 2017

Using the new iOS 10 UserNotification framework in Xamarin.iOS

Apple introduced a new notification api in iOS 10 that allows for a much richer experience. These new notifications allow further customizations such as adding images and gifs to your local and remote notifications. The UserNotification framework replaces the previous notification system, and unifies app notifications for Apple's different OS's. In this article we'll take a look at using the new framework with Xuni FlexChart in Xamarin.iOS.

January 20, 2017

Getting Started with Xuni and Visual Studio for Mac

This article walks you through how to use Xuni with Visual Studio for Mac by adding a Radial Gauge to a simple Xamarin.Forms application.

December 12, 2016

Adding a Share Button to a Xamarin.iOS App

Many months back, we visited the topic of adding a share button in Objective-C to your iOS app. Being able to share data easily is important to many types of Apps. As Xamarin has gained traction and become more broadly used, it makes sense to revisit this topic from the perspective of a Xamarin.iOS developer. In this article, we’ll cover the highlights of implementing a share button in a small Xamarin.iOS app.

December 1, 2016

How to use a hardware keyboard with FlexGrid

Xuni 2016 v3 added support for using hardware keyboards with FlexGrid. In this article we take a deeper look at how this feature works.

November 29, 2016

Visual Studio for Mac

Today at Microsoft's Connect event, Microsoft finally announced the long unthinkable version of Visual Studio for Mac. While this may seem like a major change on the surface, a closer look quickly reveals that Visual Studio for Mac is an updated and rebranded version of Xamarin Studio. There are new features included in this release though, and in a broader sense it signals a more open Microsoft.

November 16, 2016

How to use Speech Recognition with Xamarin.iOS

Apple has introduced a few interesting new features in the iOS 10 APIs for working with speech including a new Speech API and SiriKit. The Speech API especially provides a compelling way to incorporate speech recognition into your application. Xamarin has ported all of these new APIs to their platform giving you the ability to try these new features our and incorporate them into your app. In this article we'll examine how you can integrate speech recognition into your Xamarin.iOS application by guiding you through creating a speech driven FlexGrid with the ability to filter based on a spoken word.

October 18, 2016

How to use the GrapeCity License Manager Add in

This blog explains how you can use Xuni 2016 v2.5 with the GrapeCity License Manager Visual Studio add in to license your Xamarin solutions.

September 13, 2016

Xamarin Controls Added to ComponentOne Studio .NET Suite!

Effective immediately, ComponentOne Studio is offering a collection of Xamarin controls for Visual Studio! Build cross-platform apps for iOS and Android in C# and Visual Studio with our collection of grids, charts, and gauges.

April 20, 2016

A Deep Look at the New Xuni Calendar Control

The Xuni Calendar control provides multiple date selection with month and year views. It includes built-in navigation, animation and globalization so you can get up and running very quickly. You can customize the appearance and the selection behavior to fit your requirements.

March 25, 2016

Changes to Xuni Control Delegates and C# Event Signatures

The new 2016v1 release has made a few changes to the native iOS control delegates to provide some improved behaviors when dealing with multiple instantiations of the same control type, and to give the controls better support for the C# style events available in Xamarin.iOS.

March 24, 2016

Getting Started with Xuni and Xamarin.iOS

If you're evaluating or just getting started using Xuni in a Xamarin.iOS app then start right here. This blog post gives you the inside scoop to everything available to you to get up and running with Xuni and Xamarin.iOS.

February 16, 2016

Creating a Xamarin Bindings Library for a Custom iOS Control

Xamarin seems to magically allow C# developers the opportunity to create native mobile apps with familiar tools, and you may be wondering how does it really work? Xamarin produces native apps, but how exactly does a native control interact with your C# code? This article will shed some light on those questions by showing how to make a custom native control accessible through Xamarin.iOS and all of the intermediary steps involved.

February 9, 2016

How to Proportionally Size Columns with FlexGrid (Star Sizing)

In this post I will discuss a useful feature we’ve added to FlexGrid known as star-sizing columns. Star-sizing is a proportional column sizing technique that enables FlexGrid to be used in more adaptive scenarios. If you’re going to use FlexGrid you should know how to take advantage of its star-sizing capabilities.

November 18, 2015

Update Animation Deep Dive

September 25, 2015

Xuni 2015 v2 Release - See What's New

The 2015 v2 release introduces two new mobile platforms: Xuni for iOS and Xuni for Android. Plus, we've added new controls and features to Xamarin.Forms. The specific platforms and features added are described in this post.

August 19, 2015