private void buttonEditFootballer_Click(object sender, EventArgs e)
 {
     Footballer.EditFootballer(_sqlConnection, dataGridViewFootballStatistics, textBoxFootballerName.Text, textBoxFootballerSurname.Text, textBoxFootballerNationality.Text, comboBoxFootballerBetterLeg.Text, textBoxFootballerAge.Text);
 }
 private void buttonShowAllFootballers_Click(object sender, EventArgs e)
 {
     Footballer.ShowAllFootballers(_sqlConnection, dataGridViewFootballStatistics);
 }
 private void buttonDeledeSelected_Click(object sender, EventArgs e)
 {
     Footballer.DeleteFootballer(_sqlConnection, dataGridViewFootballStatistics);
 }