我试图对一个javascript对象进行字符串化,然后将该字符串作为参数传递给Code Behind中的WebMethod。我无法正常工作,因为出现内部服务器错误500,并且stacktrace指出参数值丢失。

这是JavaScript代码:

var jSon = JSON.stringify(javascriptObject);
// "{"Foretagsnamn":"Avector","BGFarg":"000000","TextColor":"fafafa","FooterFarg":"ffffff","FooterColor":"000000","FooterLinkColor":"050505","FeaturedBorderColor":"","HoverFarg":"12ebeb","RutFarg":"0d0d0d","SelectedRutFarg":"","RutColor":"FFFFFF","LankColor":"","DelaMedSig":"1","PersonalSida":"0","StartpageTitle":"","StartpageDescription":"","GoogleMaps":"<iframe width=\"425\" height=\"350\" frameborder=\"0\" scrolling=\"no\" marginheight=\"0\" marginwidth=\"0\" src=\"https://maps.google.se/maps?f=q&amp;source=embed&amp;hl=sv&amp;geocode=&amp;q=Avector AB&amp;aq=&amp;sll=56.225986,12.870827&amp;sspn=0.076248,0.154324&amp;ie=UTF8&amp;hq=Avector AB&amp;hnear=&amp;t=m&amp;cid=645910733081021950&amp;iwloc=A&amp;ll=56.224594,12.859229&amp;spn=0,0&amp;output=embed\"></iframe><br /><small><a href=\"https://maps.google.se/maps?f=q&amp;source=embed&amp;hl=sv&amp;geocode=&amp;q=Avector AB&amp;aq=&amp;sll=56.225986,12.870827&amp;sspn=0.076248,0.154324&amp;ie=UTF8&amp;hq=Avector AB&amp;hnear=&amp;t=m&amp;cid=645910733081021950&amp;iwloc=A&amp;ll=56.224594,12.859229&amp;spn=0,0\" style=\"text-align:left\">Visa större karta</a></small>","HittaKartaUrl":"http://www.hitta.se/avector ab/ängelholm/hxTP-4v1HG?vad=Avector AB","EniroKartaUrl":"http://kartor.eniro.se/m/aKkhi","Ikoner":"2","Email":"info@avector.com","AdressSida":"1","shadowColor":"ffffff","lineColor":"2b292b","MenuHoverIcon":"Välj bild från server","fontFamily":"Verdana","supportText":"Support Avector","captcha":true,"metaKeywords":"","ShowSupportInFooter":true}"

$.ajax({
    type: "POST",
    url: "Post/Installningar.aspx/Updatera",
    data: jSon,
    contentType: "application/json; charset=utf-8",
    dataType: "json",
    success: function (result) {

        var resultAsString = result.d;
        //_this.parent().siblings('.SavedStatus').html(resultAsString);

        if (resultAsString == "1") { // Gick bra att spara.
           alert("Uppgifterna är sparade.");
           document.location = document.location;
        }
        else {
           $('#StatusText').html("Gick inte att spara uppgifterna.");
        }


    },
    error: function (xhr, ajaxOptions, thrownError) {

    }
});

这是网络方法:
[WebMethod]
public static string Updatera(string jSon)
{

感觉就像我已经尝试了所有在google上搜索以及在SO上找到的所有内容一样。

我还尝试了很多人都引用的本指南:http://encosia.com/using-jquery-to-directly-call-aspnet-ajax-page-methods/

有任何想法吗?

最佳答案

首先,您需要使用:

var jSon = JSON.stringify({obj:javascriptObject});
代替:
var jSon = JSON.stringify(javascriptObject);
然后,您的WebMethod将像:
[WebMethod]
public static string Updatera(aData obj)
{
    // logic code
}
现在在这里aData是您的类,如下所示:
public class aData {
    public string Foretagsnamn  { get; set; }
    public string BGFarg  { get; set; }
    public string TextColor  { get; set; }
    public string FooterFarg  { get; set; }
    public string Email  { get; set; }
}

所以你的最终代码看起来像
jQuery:
var jSon = JSON.stringify({ obj:javascriptObject });
$.ajax({
    type: "POST",
    url: "Post/Installningar.aspx/Updatera",
    data: jsonData,
    contentType: "application/json; charset=utf-8",
    dataType: "json",
    success: OnSuccess,
    error: OnErrorCall
});

function OnSuccess(response){
    // Do something
}
function OnErrorCall(){
    // Do something
}
背后的代码:
public class aData {
    public string Foretagsnamn { get; set; }
    public string BGFarg { get; set; }
    public string TextColor { get; set; }
    public string FooterFarg { get; set; }
    public string Email { get; set; }
}


[WebMethod]
public static string Updatera(aData obj)
{
    // Logic code
}
请检查jQuery Ajax JSON Example in Asp.net

10-05 20:54
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