DevExpress-Examples/wpf-data-grid-validate-cell-editors

Validate the focused cell's value.

WPF Data Grid - How to Validate Cell Editors

This example shows how to validate the focused cell's value. In this example, users cannot reduce the product's price by more than 30% if the product is on discount.

Files to Look At

Code Behind Technique

• MainWindow.xaml (MainWindow.xaml)
• MainWindow.xaml.cs (MainWindow.xaml.vb)

MVVM Technique

• MainWindow.xaml (MainWindow.xaml)
• MainViewModel.cs (MainViewModel.vb)

Documentation

• Data Editing and Validation
• Cell Validation
• GridViewBase.ValidateCell
• TreeListView.ValidateCell
• GridViewBase.ValidateCellCommand
• TreeListView.ValidateCellCommand

More Examples

• How to Validate Data Rows
• How to Implement Attributes-Based Validation

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