在使用Kendo DataSource期间,Ajax从LocalHost调用到相同的域MVC Controller

时间:2014-11-10 20:07:38

标签: ajax asp.net-mvc kendo-ui

我正在尝试从位于我的域中的IIS服务器上的MVC控制器访问数据。我收到此错误

"No 'Access-Control-Allow-Origin' header is present on the requested resource.
 Origin 'http://localhost:22205' is therefore not allowed access. " 

这是我的ajax电话:

binDropDownDataSource: new kendo.data.DataSource({
  autobind: false,
  serverFiltering: true,
  dataType: "json",
  crossDomain: true,
  transport: {
    read: {
      cache: false,
      //url: "/LogisticsWebApp/Requisitions/GetBins", This works if unremarked
      url: "https://www.MyDomain.com/LogisticsWebApp/requisitions/getsites",
      xhrFields: {
        withCredentials: true
      },
      data: function () {
        {
          siteCode: viewModel.site.SiteCode,
          shopCode: viewModel.binShopBlock.ShopCode
        };
      }
    }
  }
})

这是我的控制器:

public JsonResult GetBins(string siteCode, string shopCode)
{
    var lookups = new Lookups();
    var data = lookups.GetBins(siteCode,shopCode);
    return Json(data, JsonRequestBehavior.AllowGet);
}   

我希望能够将应用程序用作我的数据层,但需要能够针对它进行开发。

2 个答案:

答案 0 :(得分:0)

如果您需要使用此特定方法,则可以将GetBins操作更改为:

public JsonResult GetBins(string siteCode, string shopCode)
{
    HttpContext.Response.AddHeader("Access-Control-Allow-Origin", "*");
    var lookups = new Lookups();
    var data = lookups.GetBins(siteCode,shopCode);
    return Json(data, JsonRequestBehavior.AllowGet);
} 

修改

如果您需要从不在控制器中的方法执行此操作,则必须使用:

HttpContext.Current.Response.AddHeader("Access-Control-Allow-Origin", "*");

答案 1 :(得分:0)

添加标题(" Access-Control-Allow-Origin"," *")以及标题(" Access-Control-Allow-Headers"," X-Requested-With")

System.Web.HttpContext.Current.Response.AddHeader("Access-Control-Allow-Origin", "*"); 
System.Web.HttpContext.Current.Response.AddHeader("Access-Control-Allow-Headers", "X-Requested-With");