private void addButton_Click(object sender, EventArgs e)
{
var userDialog = new UserDialog(DialogState.Add);
userDialog.ShowDialog();
updateTable();
}
private void editButton_Click(object sender, EventArgs e)
{
var selectedId = GetSelectedIdFromTable(grid);
var userDialog = new UserDialog(DialogState.Edit, selectedId);
userDialog.ShowDialog();
updateTable();
}