How to: Store file attachments in the file system instead of the database
ScenarioThe FileSystemData module provides the FileSystemStoreObject and FileSystemLinkObject classes that implement the IFileData interface for the use with our File Attachments...
View ArticleSpreadsheet Document Server API
This example demonstrates how to use the Spreadsheet Document Server API to programmatically manage spreadsheet documents, without the need for Microsoft Excel to be installed.In particular, this...
View Article(Obsolete) How to display a login view as a popup window during navigation...
Starting with 14.2, please use this example.This approach can be applied starting with 13.2.9. This example demonstrates how to check whether the user is logged in and display a login view when it is...
View ArticleHow to get all images provided by the DevExpress Icon Library
The following example demonstrates how to get information about file names and images, stored in the DevExpress Icon Collection.Question CommentsAdded By: Rennie Petersen at: 6/3/2016 3:54:19 PM For...
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How to implement the Hand Tool functionality for the DocumentViewer for WPF
This feature is available out-of-the-box for the DocumentPreviewControl starting with v15.1:
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Capability for a single column to fill an empty space in a grid view
In this example we added a FillEmptySpace option to the GridColumn descendant. Only one column in the grid view can have this option enabled, i.e. if you set the FillEmptySpace property to true for a...
View ArticleHow to send authenticated requests to the OData service
This example demonstrates how to send authenticated requests to the OData service. The main idea is to handle the ODataContext.beforeSend event and add login information to the header of your...
View ArticleHow to: Implement a Custom Report Class
This example illustrates how to implement a custom report class. The complete description is available in the How to: Implement a Custom Report Class help topic.See Also:How to customize print preview...
View ArticleHow to show progress in XtraTabControl's page header
This example demonstrates how to create a custom XtraTabPage, that allows you to show a progress bar in its header.Question CommentsAdded By: Antonio Rubin at: 6/7/2016 10:53:19 AM This actually...
View ArticleHow to implement custom filtering in XtraTreeList
The current example demonstrates how a custom filtering algorithm in XtraTreeList can be implemented. The current example implements logic as follows: - If a current node matches the filtering pattern,...
View ArticleGridView - How to implement a popup Edit Form when the Batch Edit mode is used
This example demonstrates how to implement editing in the popup's Edit Form when the grid's Batch Edit mode is used. The main idea is to create editors for all editable fields of the grid. Then, after...
View ArticleHow to disable some dates in DateEdit
This example shows how to disable a custom set of dates in the DateEdit control.The main idea of the approach is to add a collection of disabled dates to the DateEdit's Tag property and disable...
View ArticleHow to horizontally merge cells in VGridControl
This example demonstrates how to create a custom VGridControl and manually paint required cells to merge them horizontally.Question CommentsAdded By: Kinjal Nandu at: 6/10/2016 4:39:54 AM There...
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How to represent an enumeration property via a drop-down box with check boxes
Scenario:There is an enumeration type decorated with the FlagsAttribute, which means that an enumeration can be treated as a set of flags. There is also a property of this enumeration type inside the...
View ArticleHow to process authenticated requests on the OData service
This example demonstrates how to process authenticated requests on the OData service. The main idea is to override the DataService.OnStartProcessingRequest method and implement authenticated logic in...
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How to represent an enumeration property via a drop-down box with check boxes
Scenario:There is an enumeration type decorated with the FlagsAttribute, which means that an enumeration can be treated as a set of flags. There is also a property of this enumeration type inside the...
View ArticleASPxGridView - Batch Editing - A simple implementation of an EditItemTemplate
This example demonstrates how to create a custom editor inside column's DataItem template when ASPxGridView is in Batch Edit mode. Since, ASPxGridView performs batch editing on the client side, we...
View ArticleHow to: Implement a Security System User Based on an Existing Business Class...
The complete description is available in the How to: Implement a Security System User Based on an Existing Business Class help topic. A similar example for Entity Framework is T390221.
View ArticleHow to create a complex layout of dock panels
This example shows how to create a complex layout of dock panels, by combining the panels into LayoutGroups. The following Layout Groups are created: - RootGroup (arranges LayoutGroup1 and LayoutGroup3...
View ArticleHow to: Load a PDF Document from a Stream
This example shows how to load a document from the Stream using the DocumentViewerControl.DocumentSource property. The stream is obtained from the assembly...
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