Spreadsheet - How to save and load documents from a database
UPDATED:Starting with v16.1, Spreadsheet provides the capability to handle certain actions in the Controller. So, it is possible to save a document to a database using the Spreadsheet ribbon's 'Save'...
View ArticleASPxSpreadsheet - How to save and load documents from a database
UPDATED:This code example demonstrates how to save and restore ASPxSpreadsheet documents from a database using a Binary column.Starting with version 15.1, it is possible to use the ASPxSpreadsheet.Open...
View ArticleASPxRichEdit - How to save and load documents from a database
This code example demonstrates how to save and restore ASPxRichEdit documents from a database using a Binary column.Use the ASPxRichEdit.Open method to load a document and call the...
View ArticleHow to display a circle on a Map in a custom manner
This example demonstrates how to create MapPolyline items, which allow displaying circles on a map. The circles' bounds are calculated using different rules:The EquidistantCircleCreator class allows...
View ArticleRichEdit - How to save and load documents from a database
This code example demonstrates how to save and restore RichEdit documents from a database using a binary column.Load document:- Pass a model with a binary property (rich text content to be displayed)...
View ArticleHow to implement a custom clusterer
This example demonstrates how to implement a custom clusterer.Question CommentsAdded By: john van der putte at: 8/6/2016 6:28:39 AM i can't get this demo to work (VB2015, v2015 vol 2.4)first i have...
View ArticleHow to hide individual navigation items and groups for certain users
Scenario:Our Security System allows hiding navigation items for certain users by setting the Type Permission's Navigate access. Since with this approach, the Navigate access can be granted only for a...
View ArticleHow to automatically scroll the grid during drag-and-drop
This example demonstrates how to scroll grid rows and columns when dragging an object near the grid's edge.See also:Drag&drop - Auto-scroll the grid when dragging near its edgesHow to automatically...
View ArticleHow to display audit info for deleted objects.
Check the accessing audit trail of deleted items within XAF ticket for more information on the scenario and this solution.
View ArticleHow to use HTML5 Document Viewer within a DevExtreme application
This example illustrates a DevExtreme-based client application that uses the Web Document Viewer control.The example includes the following two applications.- Frontend that is a pure HTML5 client, to...
View ArticleHow to use the built-in caching functionality of the ASP.NET MVC Document Viewer
This example illustrates how to make the DocumentViewer store its document on the client between postbacks.When the Document Viewer extension performs a callback to the server (for example, when a page...
View ArticleHow to use the caching functionality of the Document Viewer
This example illustrates how to make the ASPxDocumentViewer store its document on the client between postbacks.Upon the request to preview, export, or print the document, the Document Viewer restores...
View ArticleHow to handle FetchAppointments event when the Scheduler is bound to the...
The SchedulerStorageBase.FetchAppointments Event event allows you to limit the number of appointments fetched from the data source. This can be useful when working with a large amount of data, and only...
View ArticleHow to display the difference of Income and Outlay in totals
The following example demonstrates how to calculate and display the difference of Income and Outlay in totals. In this example, a custom Grand Total is implemented for the Value data field.To show...
View ArticleHow to: Build Dock UI According to MVVM Pattern Using LayoutAdapter
This example demonstrates how to build a dock UI according to the MVVM design pattern using the LayoutAdapter. More information on this approach can be found at: MVVM Support - Building Dock UIAnother...
View ArticleHow to add and remove items from the filter drop-down list
The following example shows how to add and remove items from the filter dropdown list.In this example, the 'Beverages' item is hidden from the filter dropdown list of the Category field, and a dummy...
View ArticleHow to replace the default Filter Popup with a custom one made with...
This example demonstrates how to replace the default Filter Popup with a custom one made with the ASPxGridView control. This solution demonstrates only a basic approach, and it is possible to customize...
View ArticledxChart - How to display data from a remote data service (Knockout)
This example demonstrates how to display data from a remote data source in a dxChart. The dxChart widget is created via Knockout. The Data-Bound Application tutorial demonstrates how to create a custom...
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How to use aggregate functions in Calculated Field expressions
This example illustrates how to calculate field values dynamically based on a group aggregated value. The following syntax is used in this case: [collection][condition].Function([Field])To calculate a...
View ArticleHow to create fully custom Role, User, Event, Resource classes for use with...
This example demonstrates how to create fully custom classes for use in our Security Module (with the 'old' DevExpress.ExpressApp.Security.SecurityComplex component) and Schedule Module: - Activity...
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