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

How to Change the Android Theme for Xamarin Apps

This blog post shows how to change the Android app theme for Xamarin.Forms, Xamarin.Android.

July 13, 2017

Tips for Xuni Deployment and Debugging issues in Xamarin.Forms

In this article, we'll go through some common issues that can come up in Xuni deployment, and provide some solutions for these common cases.

February 21, 2017

How to Add Zones to your FlexChart

The 2016 v3 update gives you the ability to add zones to your FlexCharts. These colored bands make it easier to identify which category a point falls into, and gives a clear means for labeling the category. In this article we’ll walk though how the zones feature works. In this article, we'll take a look at how zones work in a small sample.

January 3, 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

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

Connect(); // 2016 Recap

November 21, 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

More Adaptive Techniques with Content Views and Master Detail

In my previous blog post I covered the basic tips for building adaptive Xamarin.Forms apps for tablets and phones. In this post I'm going to complete the discussion with two very adaptive-friendly components that make app development fun - ContentView and MasterDetailPage.

November 11, 2016

Tips for Building Adaptive Apps with Xamarin.Forms - Part 1

An adaptive UI adapts its layout to the needs of the user. You may adapt your UI for several reasons like the user’s role, or experience, but most of the time you will change an app’s layout or features when it runs on different sized devices.  You’ve probably heard of responsive apps on the web. Adaptive UIs are basically the same thing.

October 27, 2016

Using FlexGrid's CellLongPressed Event to capture a Long Press Gesture

Xuni 2016 v2.5 adds a new CellLongPressed event to the FlexGrid control. This article takes a look at usage and potential application.

September 27, 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

How to Create a Custom DropDown Control in Xamarin.Forms

In the Xuni 2016 v2 release we included several new input controls such as AutoComplete, MaskedEntry, ComboBox, and DropDown. In this blog post, I'll show you some of the basic features of DropDown and how to create a custom DatePicker control.

August 23, 2016

A deeper look at the Medal Tracker architecture

This article examines the Medal Tracker architecture and dissects how it uses web services, caching, and Xuni to make a compelling experience.

August 18, 2016

2016 Rio Summer Games Medal Tracker

The 2016 Rio Olympics are now well underway, and GrapeCity the occasion is commemorating by providing a Medal Tracker web app using our sister product Wijmo. For Xuni, we've developed a Xamarin.Forms sample that has many of the same features.

August 11, 2016

How to Customize the Calendar Header

In this topic we will explore the different ways that we can customize the header of Xuni Calendar for Xamarin.Forms.

July 25, 2016

Xuni and Xamarin 101 Webinar

The Xuni and Xamarin 101 webinar recording walks you through the first steps of using Xamarin.Forms and Xamarin.Android with Xuni Calendar and FlexGrid.

June 30, 2016

White Paper: How to Build a Custom Control in Xamarin.Forms

If you've hit a wall in your Xamarin.Forms development and are looking to build a custom control to meet your requirements, don't miss this white paper by Xuni's Kelley Ricker.

April 25, 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

Xamarin is Free for Everyone - And We Have Controls!

Today at BUILD, Microsoft announced exciting news for all .NET developers: Xamarin is now included in all versions of Visual Studio (including the free Community Edition). GrapeCity features Xuni, a collection of native mobile controls that include Xamarin Platform, and you can get it with a license for Ultimate.

April 4, 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

Creating a Xamarin.Forms Custom Renderer for a FlexGrid Cell Template

With the Xuni FlexGrid control you can create custom cells by defining a cell template. But there is a performance limitation with custom cells that contain layout controls. This blog post shows a full workaround implementation using a Xamarin.Forms custom renderer.

February 24, 2016

How to Create a Simple Xamarin.Forms Weather Application Using Xuni

Not too long ago, we introduced the native versions of Xuni with a pair of webinars that demonstrated using Xuni to create a simple weather application. Though we've covered creating this weather app natively on both iOS and Android, we haven't covered building the app (or using a web service) with Xamarin.Forms. In this article we'll fill in that blank by building a simple weather application example.

February 4, 2016