private void textBox1_TextChanged(object sender, EventArgs e) { string fname = tbxSearchFormerEmployee.Text; if (fname == "") { UpdateDataGridView(); } else { List <Employee> eList = new List <Employee>(); eList.Add(managment.GetFormerEmployeeByName(fname)); BindingList <Employee> pos = new BindingList <Employee>(eList); BindingSource source = new BindingSource(pos, null); dataGridView2.DataSource = source; } }