It should look like this: Here's the Weather Forecast class: 1.Validation through Validation Rules A first way to perform validation is to store the rules in Validation Rule classes, and let the column or row bindings call that business logic at the appropriate moment (that moment is determined by the Validation Step property of the rule).Yeah, I agree with that if it is for validation only.
We are going through the following C# code to analyze the process of validating data in grid cell.
The C# code snippet will enable the data cell validation in a textbox column for entering only none empty strings, which will disable the data validation and display the error indicator at the row header.
In this article I will describe two options to implement validation on the cells and rows of a WPF Data Grid.
On the architectural level you have indeed (at least) two options when it comes to validation.
Canceling this event cancels the changes to the current cell.