private void button1_Click(object sender, EventArgs e) { dataGridView1.Columns.Clear(); dataGridView1.DataSource = controllerObj.GetEmployeeBySearch(textBox1.Text, textBox2.Text, textBox3.Text, listBox1.SelectedIndex, textBox4.Text, textBox5.Text, textBox6.Text, textBox7.Text, textBox8.Text, listBox2.SelectedIndex + 1, textBox9.Text); dataGridView1.Refresh(); }