function s() {
data = "192,273,182,347,13,34,52,2524";
var jsondata = $.toJSON(data);
$.ajax({
type: "POST",
url: "index.aspx/s",
data: jsondata,
contentType: "application/json; charset=utf-8",
dataType: "text json",
beforeSend: function (xhr) {
xhr.setRequestHeader("Content-type",
"application/json; charset=utf-8");
},
success: function (msg) {
if (msg.d == "OK") {
//WIN!
}
},
error: function (XMLHttpRequest, textStatus, errorThrown) {
if (typeof (errorThown) != "undefined")
alert("ERROR: SaveWidgetSettings() " + textStatus + '\n' + errorThrown);
else {
var errdetail = eval("(" + XMLHttpRequest.responseText + ")");
alert("ERROR: SaveWidgetSettings() " + textStatus + '\n' + errdetail.Message);
}
}
});
我将问题调试到:
cannot convert object of type 'system.string' to type 'system.collections.generic.idictionary 2 system.string system.object '
是搞乱字符串的逗号吗?
答案 0 :(得分:3)
您可能需要在序列化之前将值包装在对象中,以便ASP.NET知道调用的值:
data = { csv: "192,273,182,347,13,34,52,2524" };
ASP.NET通常使用键名来确定要为其赋值的参数(假设WebMethod
,其URL为index.aspx/s
):
[WebMethod]
public static object s(string csv) ...
此外,如果目标是集合,data
也可以是Array
:
data = { ids: [192, 273, 182, 347, 13, 34, 52, 2524] };
// then...
[WebMethod]
public static object s(IEnumerable<int> ids) ...
答案 1 :(得分:1)
data = "192,273,182,347,13,34,52,2524";
var jsondata = $.toJSON(data);
http://www.jquerysdk.com/api/jQuery.toJSON
它需要一个对象参数,而不是一个字符串。