private void button1_Click(object sender, EventArgs e)
{
DataTable stockReport = stockBLL.GetStockReport(Convert.ToDateTime(dateTimePicker1.Text.Trim()), Convert.ToDateTime(dateTimePicker2.Text.Trim()), Convert.ToInt32(comboBox1.SelectedValue), Convert.ToString(comboBox2.SelectedValue));
dataGridView1.AutoGenerateColumns = true;
dataGridView1.DataSource = stockReport;
this.dataGridView1.AllowUserToAddRows = false;
dataGridView1.Columns[3].ReadOnly = true;
}
