ต้องการ Code Search (C# ) ที่สามารถSearch ได้ 2 keyword หรือมากกว่านั้นครับ

        private void SeaName()
        {
            objconn.Conn();
            var strSQL = new StringBuilder();
            strSQL.Append("Select C.SCT_Date,AC.Customer_Name,AC.Customer_Model,AC.Customer_SN,AC.Customer_Net,C.Office_Name From Customer C,AddCustomer AC Where C.SCT_ID = AC.Customer_ID and 1:1");
            DateTime time = DateTime.Now;
            string Date = String.Format("{0:yyyy-MM-dd HH:mm:ss}", time);
            if (Date != string.Empty)
            {
                strSQL.Append(" AND C.SCT_Date LIKE '%" + Date + "%' ");
            }
            if (textBox3.Text != string.Empty)
            {
                strSQL.Append(" AND AC.Customer_Name LIKE '%" + textBox3.Text + "%' ");
            }
            if (comboBox2.Text != string.Empty)
            {
                strSQL.Append(" AND AC.Customer_Model LIKE '%" + comboBox2.Text + "%' ");
            }
            if (textBox4.Text != string.Empty)
            {
                strSQL.Append(" AC.Customer_SN '%" + textBox4.Text + "%' ");
            }
            if (comboBox1.Text != string.Empty)
            {
                strSQL.Append(" AND Customer_Net LIKE '%" + comboBox1.Text + "%' ");
            }
            if (textBox1.Text != string.Empty)
            {
                strSQL.Append(" AND C.Office_Name LIKE '%" + textBox1.Text + "%' ");
            }
            sqlDR = sqlCMD.ExecuteReader();
            DT = new DataTable();
            DT.Load(sqlDR);
            dataGridView1.DataSource = DT;

            sqlDR.Close();
        }