If you had more stringent requirements like this column needs to be below 10 etc, then you could check it in the Row Validated event and move it from the datasource.
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It not only supports data binding but also provides frequently needed column types, such as combo box and button.
The Data Grid View event model is really extensive and one can take control of validation and entry by using many of these events.
At run time, if the validation fails, the Data Grid View displays a red exclamation icon in that cell (see below).
Poitasal Hi, In the Row Validating event the row has not been added to the dataset yet.
Poitasal As part of my validation process I need to catch Data Rows that do not satisfy the constraints imposed upon the Data Table they are being stored in.
To perform any custom validation on the cell or row being edited, you can use the Cell Validating and Row Validation events, respectively.
If you want to validate the data cell by cell, the former event is useful where you want to validate the data for the entire row at once then the later event is handy.