作者:KEN | 来源:互联网 | 2022-09-07 06:31
本文实例为大家分享了jQuery Ajax实现下拉框无刷新联动的具体代码,供大家参考,具体内容如下
HTML代码:
@{
Layout = null;
}
@using DAL;
@using System.Data;
@{
AreaDal areaDal = new AreaDal();
string areaId = ViewBag.areaId;
DataRow drArea = areaDal.GetArea(areaId);
string countyId = drArea == null ? "-1" : drArea["countyId"].ToString();
DataRow drCounty = areaDal.GetCounty(countyId);
string cityId = drCounty == null ? "-1" : drCounty["cityId"].ToString();
DataRow drCity = areaDal.GetCity(cityId);
string provinceId = drCity == null ? "-1" : drCity["provinceId"].ToString();
}
Controller代码:
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text;
using System.Web.Mvc;
using DAL;
namespace Controllers.Backstage
{
///
/// 行政区划
///
public class AreaController : AdminBaseController
{
#region 构造函数及变量
private SQLiteHelper.SQLiteHelper sqliteHelper;
private AreaDal areaDal;
public AreaController()
{
sqliteHelper = new SQLiteHelper.SQLiteHelper();
areaDal = new AreaDal();
}
#endregion
#region 行政区划商圈级联选择页面
public ActionResult AreaSelect()
{
return PartialView();
}
#endregion
#region 获取全部省
public ActionResult GetProvinces()
{
DataTable dt = areaDal.GetProvincesAll();
StringBuilder sbHtml = new StringBuilder();
sbHtml.Append("");
foreach (DataRow dr in dt.Rows)
{
sbHtml.AppendFormat("", dr["id"].ToString(), dr["name"].ToString());
}
return Content(sbHtml.ToString());
}
#endregion
#region 根据省获取市
public ActionResult GetCities(string provinceId)
{
DataTable dt = areaDal.GetCities(provinceId);
StringBuilder sbHtml = new StringBuilder();
sbHtml.Append("");
foreach (DataRow dr in dt.Rows)
{
sbHtml.AppendFormat("", dr["id"].ToString(), dr["name"].ToString());
}
return Content(sbHtml.ToString());
}
#endregion
#region 根据市获取区县
public ActionResult GetCounties(string cityId)
{
DataTable dt = areaDal.GetCounties(cityId);
StringBuilder sbHtml = new StringBuilder();
sbHtml.Append("");
foreach (DataRow dr in dt.Rows)
{
sbHtml.AppendFormat("", dr["id"].ToString(), dr["name"].ToString());
}
return Content(sbHtml.ToString());
}
#endregion
#region 根据区县获取商圈
public ActionResult GetAreas(string countyId)
{
DataTable dt = areaDal.GetAreas(countyId);
StringBuilder sbHtml = new StringBuilder();
sbHtml.Append("");
foreach (DataRow dr in dt.Rows)
{
sbHtml.AppendFormat("", dr["id"].ToString(), dr["name"].ToString());
}
return Content(sbHtml.ToString());
}
#endregion
}
}
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持。