How to display binary images (data URIs) in the dxGallery widget or a dxList...
To display binary images in the dxGallery widget or a dxList item template, encode your image byte array in base64 and use the Data URI scheme. In this case, all the processing will be done on the...
View ArticleHow to Add Custom Totals
This example shows how to display custom totals in the 'Country' column field. Four custom totals calculate the Average, Sum, Min and Max values against the data field.
View ArticleHow to show a PDF file using the PdfViewer control
The following example illustrates how to load an existing PDF file into the PdfViewer control.
View ArticleHow to embed ASPxGridView into a custom appointment form for resources selection
This example demonstrates how to host the ASPxGridView inside the DropDownWindowTemplate of the ASPxDropDownEdit that is used for multi-resource selection (when ResourceSharing option is enabled). This...
View ArticleHow to use the ASPxWebControl.CallbackError event to handle application-level...
Normally, you use the Application_Error event handler, implemented in a Web Application project's Global.asax file, to handle all application-level errors. Prior to v2010.2, errors occurred on callback...
View ArticleHow to implement drag-and-drop between Grid and TreeList
This example demonstrates how to create helper classes for implementing drag-and-drop between Grid and TreeList. For more information please refer to:How to allow an end-user to move the rows in a grid...
View ArticleDXScheduler Getting Started - Lesson 3 - Create a Custom Edit Appointment Form
This example demonstrates how to bind a scheduler control to data with custom fields and provide end-users with the capability to edit these fields in a custom Edit Appointment form.
View ArticleHow to access the PivotGridControl and make it editable
This example demonstrates how to allow inplace editing in PivotGridControl, which is accessible in XAF applications via the Pivot Chart module. IOW, it shows how to change reported XP objects directly...
View ArticleHow To: Create a Slide View and Populate It with Data
This example demonstrates how to create a SlideView, bind it to data and use templates to visualize its items.
View ArticleHow To: Create a FlipView and Populate It with Data
This example demonstrates how to create a FlipView, bind it to data and use templates to visualize its items.
View ArticleHow to localize a DevExtreme application
This example demonstrates how to localize a DevExtreme application. The main idea is to create a "hash table" that contains all the necessary captions and titles associated with a corresponding...
View ArticleHow To: Create a PageView and Populate It with Data
This example demonstrates how to create a PageView, bind it to data and use templates to visualize its items and item headers.
View ArticleHow To: Apply Changes Made In Underlying Data Source to PopupContainerEdit
In this example the PopupContainerEdit uses the PopupContainerControl that holds the GridControl with 5 columns. The second column's value in the selected row is a displayed text for the...
View ArticleHow to determine if a any form editor has been modified by an end-user
This example illustrates how to determine if a any form editor has been modified by an end-user: - Handle the client-side ValueChanged event of all editors; - If any event has been raised once, mark...
View ArticleTreeList - How to edit an in-memory data source
This example illustrates how to bind the MVC TreeList Extension with an in-memory datasource with the enabled editing capabilities.
View ArticleHow to bind dxLookup to WebService
This example illustrates how to bind the dxLookup to a WebService using the DataSource object. Note that when you are using the DataSource with the dxLookup widget, it is also necessary to implement...
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 ArticleListBoxDragDropManager - How to reorder items
The current ListBoxDragDropManager version does not provide the capability to reorder items. This example demonstrates how to implement this functionality manually.In this example, we have created a...
View ArticleHow to customize the Edit Appointment form to show custom fields
This example illustrates the use of a custom form to enable the end-user to edit custom fields. The custom form is invoked instead of the default one by handling the...
View ArticleOBSOLETE - How to suppress a popup "Do you want to save changes ?" dialog...
====================== This example is now obsolete. Refer to the Core - Redesign ListViewAutoCommitController and WinDetailViewController to customize them properly for more details....
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