private void DataGridView_CellValidating(object sender, DataGridViewCellValidatingEventArgs e)
{
FormValidation validation = new FormValidation(dataGridView, this);
validation.ValidateCelling(sender, e);
validation.CheckDuplicate();
}
private void DataGridView_RowsAdded(object sender, DataGridViewRowsAddedEventArgs e)
{
FormValidation validation = new FormValidation(dataGridView, this);
if (e.RowCount > 0)
{
dataGridView.Rows[e.RowIndex].DefaultCellStyle.BackColor = Color.Gray;
validation.CheckDuplicate();
label1.Text = "Liczba rekordów: " + dataGridView.Rows.Count;
}
}