if(!string.IsNullOrEmpty(COURSEWARE_NAME.Text)){char[]c=COURSEWARE_NAME.Text.ToCharArray();stringnameconditiob="";for(inti=0;i<c.Length;i++){if(i==0){br.AppendFormat("andCOURSEWARE_NAMElike'%{0}%'",c[i].ToString());}else{br.AppendFormat("andCOURSEWARE_NAMElike'%{0}%'",c[i].ToString());}}}