ASP.NET WebForms, MVC and Core - Tips & Tricks (July 2020)

We’ve compiled a list of recently updated help topics, code examples and interesting ASP.NET/MVC related support tickets for your review. If you have an ASP.NET WebForms or MVC-related support ticket you’d like to share with the DevExpress developer community, feel free to post a link in the comment section below.

Knowledge Base Articles

The following new article describes use of custom fonts within our Rich Text Editor control:

• Rich Text Editor - How to use custom fonts

New Examples

The following examples demonstrate use of our Rich Text Editor in React, Vue and MVC-powered applications:

• Ready-to-use client React application with Rich Text Editor (View on GitHub)
• Ready-to-use client Vue application with Rich Text Editor (View on GitHub)

We also created an example that illustrates use of our client Rich Text Editor for ASP.NET Core within ASP.NET MVC applications:

• How to integrate Rich Text Editor for ASP.NET Core into an MVC application (View on GitHub)

The following examples address popular MVC GridView-related usage scenarios:

• Grid View for MVC - How to use Rich Text Editor in EditForm to edit RTF data (View on GitHub)
• Grid View for MVC - How to edit a grid field using the TreeList located inside DropDownEdit (View on GitHub)
• Grid View for MVC - How to use the Tokenbox control to filter a TokenBox column in a Filter Row (View on GitHub)

Finally, a Bootstrap Chart control example:

• Bootstrap Chart - How to bind to complex properties of a data source (View on GitHub)

You can find these and other DevExpress examples in our GitHub repository.

Interesting Technical Support Tickets

Common (ASP.NET MVC and Web Forms)

• T885034 - Rich Text Editor - How to search for whole words
• T891256 - Rich Text Editor - How to show field codes only for specific fields (DOCVARIABLE) in a document
• T885332 - Rich Text Editor - How to create a table with custom styles, and set cell values on the client side

ASP.NET Web Forms

• T876051 - Grid View - How to create a hierarchical column structure in the Column Chooser dialog
• T892155 - Grid View - How to unmerge columns (cell bands) while exporting data to Excel
• T878006 - How to bind GridView at runtime after all files are uploaded
• T881189 - Scheduler - How to prevent drag and drop appointments between resources only when multiple appointments are selected
• T892183 - Scheduler - How to display additional information along with appointments in DayView cells
• T879200 - Vertical Grid - How to automatically expand parent rows only if child rows contain values
• T886074 - Popup Control - How to correctly adjust size of a popup window based on the size of its content (SetContentUrl)
• T891262 - Floating Action Button - How to dynamically show/hide buttons

ASP.NET Web Forms Bootstrap

• T881780 - Grid View for Bootstrap - How to display text-based HTML elements (such as SpinEdit buttons) of DataItemTemplate in a focused row

ASP.NET MVC

• T874809 - Grid View - How to restore all Batch Edit modifications on the client if some rows do not pass server-side validation
• T871854 - Grid View - How to set the edit mode conditionally - Batch Edit for existing rows - PopupEditForm for new rows
• T876787 - Grid View for MVC - Edit Form - How to use the Enter key to move focus to the next editor in the Inline edit mode
• T880468 - Grid View for MVC - Advanced Master-Detail - How to hide a tab with GridView if the grid is empty
• T879466 - Grid View for MVC - How to capture the KeyDown event 
• T889974 - Form Layout for MVC - How to set fixed size for editors on a large screen
• T875442 - Combobox - How to change a value of a combobox after its items were reloaded on a callback

ASP.NET Core

• T892967 - Rich Text Editor for ASP.NET Core - How to translate custom buttons and tabs

• T890369 - Spreadsheet for ASP.NET Core - How to include the component in the Docker project 

Documentation Updates

New binding related help topics for the DevExpress ASP.NET Diagram component:

• Diagram - Data Binding
• Node and Edge Data Sources
• Tree-Like Data Structure

Feedback

As always, we welcome your comments and questions. Submit your feedback below and we’ll be happy to follow-up.

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