private void txtSearchCustomer_TextChanged(object sender, EventArgs e) { if (txtSearchCustomer.Text.Trim().Equals("")) { BindingStatus = false; LoadData(); } else { // DataTable dt = ManagerDAL.FindBook(txtSearch.Text.Trim()); listCustomer = ManagerDAL.FindCustomer(txtSearchCustomer.Text); dtCustomer = ManagerDAL.ToDataTable <Customer>(listCustomer); dgvCustomers.DataSource = dtCustomer; BindingStatus = false; BindingData(); dgvCustomers.Rows[0].Selected = true; // dgvRecepts.DataSource = dt; } }