private void OnCellValidating(object source, DataGridViewCellValidatingEventArgs e)
{
var row = Grid.Rows[e.RowIndex];
if (row.IsNewRow)
{
return;
}
var validationProxy = new GridValidationIntegrationProxy(Grid.Columns[e.ColumnIndex].DataPropertyName, e.FormattedValue, this);
ValidationIntegrationHelper helper;
try {
helper = new ValidationIntegrationHelper(validationProxy);
} catch (InvalidOperationException) {
// ignore missing property
return;
}
var validator = helper.GetValidator();
if (validator == null)
{
// this property should not be checked
return;
}
var validationResults = validator.Validate(validationProxy);
if (!validationResults.IsValid)
{
var builder = new StringBuilder();
foreach (ValidationResult result in validationResults)
{
builder.AppendLine(result.Message);
}
row.Cells[e.ColumnIndex].ErrorText = builder.ToString();
}
else
{
row.Cells[e.ColumnIndex].ErrorText = string.Empty;
}
}
private void OnCellValidating(object source, DataGridViewCellValidatingEventArgs e) {
var row = Grid.Rows[e.RowIndex];
if (row.IsNewRow) {
return;
}
var validationProxy = new GridValidationIntegrationProxy(Grid.Columns[e.ColumnIndex].DataPropertyName, e.FormattedValue, this);
ValidationIntegrationHelper helper;
try {
helper = new ValidationIntegrationHelper(validationProxy);
} catch (InvalidOperationException) {
// ignore missing property
return;
}
var validator = helper.GetValidator();
if(validator == null) {
// this property should not be checked
return;
}
var validationResults = validator.Validate(validationProxy);
if (!validationResults.IsValid) {
var builder = new StringBuilder();
foreach (ValidationResult result in validationResults) {
builder.AppendLine(result.Message);
}
row.Cells[e.ColumnIndex].ErrorText = builder.ToString();
} else {
row.Cells[e.ColumnIndex].ErrorText = string.Empty;
}
}