private void radioButton3_CheckedChanged(object sender, EventArgs e)
{
dt2 = bllss4.getReportNull(int.Parse(comboBox1.SelectedValue.ToString()));
dataGridView1.DataSource = dt2;
}
private void radioButton3_CheckedChanged(object sender, EventArgs e)
{
dt2 = bllss4.getReportNull(int.Parse(comboBox1.SelectedValue.ToString()));
dataGridView1.DataSource = dt2;
}