用AJAX传值参数是中文时可能会乱码

1、ajax代码

function SelectSemesterBySchYear() {
                                    // alert('sssssss');
                                   var temp1 = document.getElementById("ctl00_ContentPlaceHolder1_Text_City").value;
                                   $.ajax({
                                       type: "get",                                 
                                       url: "HospitalHandler.ashx?city=" + encodeURI(temp1),//要编码的地方
                                       success: function (strJson) {
                                           $("#ctl00_ContentPlaceHolder1_selectHospital").empty();
                                           $("#ctl00_ContentPlaceHolder1_selectHospital").prop("disabled", false);
                                           var dataArray = eval(strJson);  
                                           for (var i = 0; i < dataArray.length; i++) {
                                               $("#ctl00_ContentPlaceHolder1_selectHospital").append("<option value='" + dataArray[i].H_ID + "'>" + dataArray[i].H_Name + "</option>");
                                           }
                                       },
                                       error: function (XmlHttpRequest, textStatus, errorThrown) {
                                           alert(XmlHttpRequest.responseText);
                                       }
                                   });
                               }

 2，ashx页面接收

  string city = context.Server.UrlDecode(context.Request["city"].ToString());

3、不管怎么，要给JS先编码，保证传值时候不会出现乱码。