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OBSOLETE - How to show custom forms and controls in XAF (Example)
==============================This article is now obsolete. Instead, refer to the eXpressApp Framework> Concepts> UI Construction> Using a Custom Control that is not Integrated by Default...
View ArticleASP.NET Core Dashboard Control - How to specify a default dashboard state in...
The sample illustrates how to specify a dashboard state (such as master filter or parameter values) in code and how to apply this state when loading a dashboard for the first time. In this example, the...
View ArticleHow to edit Nullable field with the ASPxGridView and ASPxImage in...
Starting with version 2011.1:I recommend that you use ASPxCheckBox instead of the demonstrated solution since the control supports the Undefined (Grayed) checked state, see ASP.NET Check Box - New...
View ArticleHow to override the standard browser's shortcut
This sample demonstrates why and how you can use the ASPxClientUtils.PreventEventAndBubble client method when implementing your application's client logic.Note that the sample code uses a couple of...
View ArticleHow to obtain a specific section content
This example illustrates how to obtain the content of a Section which the caret position belongs to. There is no direct method to obtain the section range. However, you can construct this range based...
View ArticleHow to customize an XPO business model at runtime (Example)
Sometimes there is a requirement to extend existing business classes from other libraries, add new members, etc.For instance, you have an assembly where you have declared your persistent classes. Now,...
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OBSOLETE - How to: Store Model Differences in Database
========================================================================Starting with v14.2, the database storage is supported out-of-the box (see How to: Store the Application Model Differences in the...
View ArticleHow to reorder XtraTreeList nodes via drag-and-drop
This example demonstrates how to handle the DragOver and DragDrop events of the TreeList control to programmatically reorder nodes. The A342 article describes the approach used here.See Also:E415Search...
View ArticleOBSOLETE - How to prevent removing a master record referenced by other records
This example demonstrates how to implement your classes, to save the referential integrity of your tables when removing master objects being referenced by other objects. This solution is appropriate...
View ArticleSchedulerControl - Use the CustomDrawAppointment &...
This example illustrates the use of CustomDrawAppointment and CustomDrawAppointmentBackground events.The background color for selected appointments is inverted, and the border is drawn colored...
View ArticleHow to use WorkspaceManager for capturing, applying, saving and loading...
This example demonstrates how to use standalone Workspace Manager API for capturing, applying, saving and loading workspaces and shows different Transition Types in action. You can find the general...
View ArticleHow to display a readonly HTML formatted text in Grid cells
This example illustrates how to create a custom editor to display a readonly HTML formatted text. In standalone mode you can use the LabelControl instead. To show the HTML formatted text in a grid you...
View ArticleGridView - How to use GridLookup with single selection mode in EditForm
This example illustrates how to use GridLookup with single selection mode (SelectionMode is Single) in GridView for CRUD operations. By default, GridView doesn't have a built-in column for this...
View ArticleHow to implement the ItemsSource property for the LayoutGroup/LayoutControl...
LayoutGroup/LayoutControl doesn't have the built-in ItemsSource property. In this example, we demonstrated how to provide this functionality using a custom behavior class. This behavior generates...
View ArticleOBSOLETE - How to create a PropertyEditor based on the XtraRichEdit control
UPDATE: Use the Office Module to integrate DevExpress WinForms Rich Text Editor in all new XAF WinForms applications. The current example is obsolete.Take special note that this editor is intended to...
View ArticleHow to implement the multi-row editing feature in the ASPxGridView
UPDATED:Starting with version 13.2, the ASPxGridView control offers the basic "Batch Editing Mode" functionality that allows accomplishing a similar task with less effort and does not require so much...
View ArticleOBSOLETE - How to speed up WinForms apps, running in a Remote Desktop...
To achieve this goal, you can disable visual styles, skins, animations, and set various controls options. Note that here we additionally disable visual effects of two most "expensive" controls:...
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Multiple selection using checkbox (web style)
Important note.Starting with version 13.2, GridView provides a built-in checkbox column for multiple row selection. So, to enable this type of multiple row selection in newer versions, it is sufficient...
View ArticleHow to search for objects by using all the properties or by using more...
This example provides a possible workaround for the Filtering - Support searching objects by a string through all the properties (or a set of properties) or by more complex criteria suggestion. The...
View ArticleHow to use reporting controls in ASP.NET Core applications
This example demonstrates how to use the End-User Report Designer and HTML5 Document Viewer in an ASP.NET Core application targeting .NET Framework v 4.6.1.These controls require the...
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