编辑:谢谢你抓住这些错误灰 有3个问题在这里MVC通JSON数据到控制器
1. The JSON request was too large to be deserialized I had to add <add key="aspnet:MaxJsonDeserializerMembers" value="150000" /> in the app settings
2. I forgot the getters and setters in one of my classes
3. I misspelled one of my properties
我想一些JSON数据传递给控制器。当我将js Object
传递给Controller
时,我的模型为空。不应该使用默认模型绑定器来处理这个问题吗?将数据传递给控制器时,我找不到为什么我得到空值。我看过其他的SO问题,但目前为止没有任何帮助。
的数据看起来像这样
{
Data: [{
duration: 5,
end_date: "06-04-2013 00:00"
id: 1,
open: true,
parent: 0,
progress: 0,
start_date: "01-04-2013 00:00",
text : "PcB ddCcgoMordiF Arr e"
}]
Links: //empty array of something similar
}
这些是我的DTO的样子
public class GanttRequestDto
{
public IEnumerable<GanttTaskDto> Data;
public IEnumerable<GanttLinkDto> Links;
}
public class GanttTaskDto
{
public int Id { get; set; }
public string Test { get; set; }
public DateTime Start_date { get; set; }
public DateTime End_date { get; set; }
public int Duration { get; set; }
public bool Open { get; set; }
public decimal Progress { get; set; }
public int? ParentId { get; set; }
}
public class GanttLinkDto
{
public int Id { get; set; }
public string Type { get; set; }
public int Source { get; set; }
public int Target { get; set; }
}
我的控制器看起来像这样
[HttpPost]
public BetterJsonResult SaveGanttChartData(GanttRequestDto ganttDataModel)
{
//do something
return null;
}
我的JS代码
InitSaveButton() {
$("#save-btn").click(function() {
var ganttData = gantt.serialize();
var model = {
Data: ganttData.data,
Links: ganttData.links
};
Ajax.ajaxRequest(null, "/Gantt/SaveGanttChartData?ganttDataModel", model, null, "Saving Gantt Data", "Success", null);
});
}
这里是我的Ajax请求的样子
//url:string
//model:json object
//updateId (optional): area to update,
//toastMessage: optional toast message
//toasTitle: optional toast title
//onComplete: optional callback function
Ajax.ajaxRequest = function (httpVerb, url, model, updateId, toastMessage, toastTitle, onComplete) {
if (httpVerb === null || httpVerb.length === 0) httpVerb = "POST";
$.ajax({
url: url,
type: httpVerb,
cache: false,
data: JSON.stringify(model),
dataType: "json",
contentType: 'application/json; charset=utf-8'
}).done(function (data) {
Ajax.ajaxSuccess(data, updateId, toastMessage, toastTitle);
}).fail(function (err) {
Ajax.ajaxFailure(err);
}).always(function (data) {
if (onComplete && typeof onComplete === 'function') {
onComplete(data);
}
});
};
你的控制器BetterJsonResult返回null,这就是为什么你的对象没有填充,返回ganttDataModel – Fuzzybear
@Fuzzybear对不起,但这不是它,它不返回任何东西,这就是为什么我把null。无论我返回什么,'ganttDataModel'都是'null'。 –
@Ash我为什么要那样做? –