itcomes out error on
"no overload for method "deletequery" take 1 arguement..

private void button2_Click(object sender, EventArgs e)
{
if (listBox1.SelectedValue == null)
{
MessageBox.Show("Empty, Nothing To Delete :)", "Delete_Contact");
}
else
{
studentTableAdapter1.DeleteQuery(int.Parse(listBox1.SelectedValue.ToString()));
MessageBox.Show("haha..deleted", "deleted name");
studentTableAdapter1.Fill(database1DataSet1.student);
}
}