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Validación de datos de entrada con enlace a datos en WPF

Tweet Hola, qué tal. Ya que he venido hablando del enlace a datos en WPF en las publicaciones anteriores, bien convendría considerar el uso del Binding para validar datos, hemos tocado ya algunos puntos necesarios para escribir esta funcionalidad. En las publicaciones anteriores vimos ya...

Posted to .NET Chronicles by Octavio Telis Aynés on Sun, May 27 2012
Filed under: Filed under: C#, .Net, WPF, Binding
Uso de la propiedad Visibility con valores booleanos en WPF

Tweet Hola que tal. En esta ocasión quiero compartir con ustedes una manera para utilizar la propiedad Visibility con un valor bool. Te preguntarás “¿Y qué sentido tiene eso?”, bien, el detalles está en que en ocasiones se requiere que la visibilidad de...

Posted to .NET Chronicles by Octavio Telis Aynés on Fri, May 25 2012
Filed under: Filed under: C#, .Net, WPF, Binding, Converter
Conversión de Valores con Enlace a Datos

Tweet Hola que tal. En el diseño de aplicaciones con WPF tendremos muchas ventajas en cuanto a la interfaz de usuario se refiere, dado que es un modelo muy flexible, nos permite dar formato y estilo a la apariencia de la interfaz de usuario, logrando aplicaciones más agradables, vistosas...

Posted to .NET Chronicles by Octavio Telis Aynés on Thu, May 24 2012
Filed under: Filed under: C#, .Net, WPF, Binding
Mostrar archivos de imagen en WPF utilizando enlace a datos.

Tweet Holal Qué tal. Continuando con el ejemplo del post anterior ( http://bit.ly/oh0m9k ), referente al manejo de imágenes en WPF, ejemplificaremos el manejo de las imágenes de la misma manera pero, esta vez, utilizando enlace a datos y la clase Binding. Antes, tenemos que hablar...

Posted to .NET Chronicles by Octavio Telis Aynés on Wed, May 23 2012
Filed under: Filed under: C#, .Net, WPF, Binding
Binding to a ComboBox using a DataTable and Linq

If you retrieve data into a DataTable, it is easy to bind it to a ComboBox. And before Linq, you would filter the DataTable using a DataView. But with Linq, you have some easy to use features for filtering the contents of your ComboBox. First, here is the basic code for binding a ComboBox to a DataTable...

Posted to Deborah's Developer MindScape by Deborah Kurata on Sat, Feb 27 2010
Filed under: Filed under: VB, C#, .NET, CSharp, Lambda, LINQ, DataTable, Binding
Populating a DataGridView from Xml Data

If you are using XML in a WinForms application you may find the need to display the XML data in a DataGridView. Let's take this XML: <states> <state name="California"> <abbreviation>CA</abbreviation> ...

Posted to Deborah's Developer MindScape by Deborah Kurata on Tue, Oct 20 2009
Filed under: Filed under: VB, C#, .NET, CSharp, Xml, LINQ, Binding, WinForms
Binding Control Properties to Business Object Properties

As stated here , you use object binding in a WinForms application by following these steps: 1. Build the business objects for your application. 2. Define a business object data source in the Windows Application project containing your user interface. 3. Bind properties of the controls on the form to...

Posted to Deborah's Developer MindScape by Deborah Kurata on Wed, Sep 16 2009
Filed under: Filed under: VB, C#, .NET, CSharp, Binding, WinForms
Using Object Binding

As stated here , you use object binding in a WinForms application by following these steps: 1. Build the business objects for your application. 2. Define a business object data source in the Windows Application project containing your user interface. 3. Bind properties of the controls on the form to...

Posted to Deborah's Developer MindScape by Deborah Kurata on Tue, Sep 8 2009
Filed under: Filed under: VB, C#, Visual Studio, .NET, CSharp, Binding, WinForms
Understanding Object Binding

Before going through the details of how to use object binding, it is important to understand exactly what it is—and what it is not. Object binding is binding your business object properties to user interface elements. Object binding is not database binding in the strict sense of the term. It does not...

Posted to Deborah's Developer MindScape by Deborah Kurata on Tue, Sep 8 2009
Filed under: Filed under: VB, C#, Visual Studio, .NET, CSharp, OOP, Binding
Using Linq with Microsoft Word and Excel

Some of the collections in the Microsoft Office object models implement IEnumerable. The IEnumerable interface provides the ability to perform a for/each against the collection. With .NET 3.5, a Cast extension method of IEnumerable allows you to work with these collections using Linq. Microsoft Word...

Posted to Deborah's Developer MindScape by Deborah Kurata on Fri, Aug 14 2009
Filed under: Filed under: VB, C#, .NET, CSharp, Lambda, LINQ, Binding, Excel
Building a Business Object Base Class

If you are building applications in .NET to manage data for a business, you are most likely creating business object classes. Depending on the business, these classes could include Customer, Product, Order, Invoice, PurchaseOrder, Employee, TimeCard and so on. A simple sample Customer class is shown...

Posted to Deborah's Developer MindScape by Deborah Kurata on Tue, Jul 21 2009
Filed under: Filed under: VB, C#, .NET, CSharp, OOP, Enum, Binding
Dates: Binding to Day Numbers

My prior post demonstrated how to bind to a list of month names. Once the user picks the desired month, you may want to provide a list of valid dates to pick a date in that month. For example: 1-30 for September and 1-31 for July. You can accomplish this using a switch statement (Select Case in VB),...

Posted to Deborah's Developer MindScape by Deborah Kurata on Tue, Jul 14 2009
Filed under: Filed under: VB, C#, .NET, CSharp, Binding, WinForms
Dates: Binding to Month Names

Visual Studio comes with DateTimePicker and MonthCalendar controls that provide a standard looking calendar for the user to pick a date. But there are times when these controls don’t provide the features you need. For example, say you want to ask the user for the month and year that their credit card...

Posted to Deborah's Developer MindScape by Deborah Kurata on Tue, Jul 14 2009
Filed under: Filed under: VB, C#, .NET, CSharp, Lambda, Binding, WinForms
Enum: Binding to the Description Attribute

The Enum keyword allows you to define a standard set of named constants for use in your application. Sometimes you may want to present this same list of values to your user. You can display the set of Enum values in a ComboBox or ListBox using data binding. And even better, if you use the DescriptionAttribute...

Posted to Deborah's Developer MindScape by Deborah Kurata on Fri, Jul 10 2009
Filed under: Filed under: VB, C#, .NET, CSharp, Enum, Binding, Extension Method, WinForms

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