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Studio for LightSwitch 2013 v3 Release Notes

We have just made Studio for LightSwitch 2013 v3 available (download it here). This release focuses on maintenance, usability, and compatibility with Visual Studio 2013. For your convenience, I am posting a list of compatibility notes and a list of fixes for each sub-Studio (Desktop and HTML).

Spreadsheet Viewer App

A new version of the ComponentOne Spreadsheet Viewer app has arrived! This app was originally named ComponentOne Excel Viewer, and we’ve changed the name to ComponentOne Spreadsheet Viewer.

How To: Sort C1FlexGrid With Auto Execute Query Off

While working in a LightSwitch application, you would often need to load Query result on a conditional basis. For instance, if you are creating a custom search screen with many optional parameters you may want to first specify search criteria and then issue the search at once.

How To License Legacy ActiveReports Versions

ActiveReports has been one of the most popular reporting tools right from its initial VB6 days.With each new release it has evolved and therefore it is so popular among report designers. If we talk about the licensing process for the .NET versions for ActiveReports, then the first three versions viz ActiveReports for .NET 1.0, ActiveReports for .NET 2.0, and ActiveReports for .NET 3.0 had the same licensing model. With ActiveReports 6 it was changed and finally further modified with the release of ActiveReports 7. This blog article is dedicated to the first three versions of ActiveReports for .NET. The reason to publish this blog is simple. To provide developers who are still working with legacy ActiveReports for .NET versions, a place to get all the information they require to successfully license their machines. So let start:

Local Properties in Wijmo Grid for LightSwitch HTML

Wijmo Grid for LightSwitch HTML is mainly used with database i.e. in bound mode but many developers have requirement of adding some unbound columns. In Wijmo Grid, every operation say filtering, sorting, paging, scrolling etc. is designed to be a server-side operation. So, for adding unbound columns, we need to make everything work at client side

ComponentOne Adds Touch Support to its Cross-Platform Excel-Compatible Spreadsheet Components

Spread 7 v2 Brings Line-of-Business Apps to Life with new UI Controls and Major Performance Enhancements

Handle DoubleClick Event in Silverlight4 using C1TapHelper

One of the customers requested for displaying the contents of a row in C1DataGrid when it is double clicked in Silverlight 4.

CRUD operations in Wijmo Grid

Wijmo Grid is the most extensively used widget among all other Wijmo widgets. In most of the cases, it is bound to the database and end users are allowed to perform the basic CRUD i.e. Create Read Update Delete operations. This is the most common requirement for all the developers while creating any application.

WijGrid is undoubtedly, the most commonly used and popular widget offered by Wijmo. With its flexible structure and ability to support different customizations, it is a great tool to present data in a tabular form to the end users over the web. If we talk about its common features like filtering, sorting, paging etc then we already have nice online samples available which showcase these features. However the motive of this blog article is to present a customization which offers an out of the box solution.

Announcing Spread WPF-Silverlight 7 v2!

ComponentOne is proud to announce the release of the new Spread WPF-Silverlight 7 v2. There are major upgrades to this version compared to the last release one year ago. There are many new features in this release including: the introduction of Excel 2013 like UI appearance and gesture touch support, Improvements for Excel file import/export and formula calculation performance, 10 categories 40+ chart types totally compatible with Excel, the ability to embed pictures into documents, a formula textbox control, and more...

Announcing Spread WinRT 7 v2!

ComponentOne is proud to announce the release of the new Spread WinRT 7 v2. There are major upgrades to this version compared to the last release 9 months ago. There are many new features in this release including: the introduction of Excel 2013 like UI and gesture touch support, Improvements for Excel file import/export and formula calculation performance, 10 categories 30+ chart types totally compatible with Excel, the ability to embed pictures into documents, a formula textbox control, and more...

TroubleShooting "Could not load file or assembly" error on Upgrading LightSwitch Projects

Sometimes after upgrading your LightSwitch projects containing ComponentOne controls you may get a "Could not load file or assembly" error :

HowTo : Display Image in Wijmo ComboBox

WijCombobox is a jQuery widget that displays a resizeable and editable text box or drop-down list. By default this widget like any other combobox lets you display a list of items in the drop down list, you can simply select a value from this list to be displayed in the combobox.

C1Knob with Frequency/Interval Step

Recently a customer enquired about an implementation in C1Knob control, part of Gauges for WPF wherein he wanted to change the value with a particular frequency/ interval just like a simple slider control behaves with interval property.

Creating Wijmo List with TextBox Filter

The HTML5 based Wijmo offers a wide variety of widgets which are very helpful when designing a website. They are not just restricted to a specific feature but covers different types of requirements which a developer might have. The WijList widget is a great tool for scenarios like when you want to present to your users a list of certain items and allow them to select one or more items from it.

Select WijTree From WijComboBox Using AngularJS

As we all know Wijmo now supports AngularJS. However there is lot of information which is yet to be documented and we are already working on improving it. In this blog article, I will cover two different Wijmo widgets and explain how they can be used in conjunction with each other. We will see how we can switch between two different WijTree structures by selecting them from WijComboBox. Our final output will look like:

Creating Colored “Alarm Zones” in C1Chart for XAML

In this post I describe a custom implementation of colored bands, or 'Alarm Zones,' in the C1Chart control, and I provide coded solutions for both WPF and Silverlight. The same code can also be applied to Windows Store and Windows Phone apps as well.