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我有方法,我的控制器上,谁返回JSON为什么Google Chart不起作用ASP MVC应用程序?
[HttpPost]
public JsonResult CompanyChart()
{
var data = db.adusers;
var selectUsers = from s in data where (s.Company != null) select s;
int fenixPlus = (from fP in data where (fP.Company == "ООО \"Феникс+\"") select fP).Count();
int fenixPresent = (from fP in data where (fP.Company == "ООО \"Феникс-Презент\"") select fP).Count();
var dataObj = new object[]
{
new object[] {"Компания","Количество"},
new object[] { "ООО \"Феникс+\"", fenixPlus},
new object[] { "ООО \"Феникс-Презент\"", fenixPresent}
};
return Json(dataObj, JsonRequestBehavior.AllowGet);
}
的Json看起来像这样 [["Компания","Количество"],["ООО \"Феникс+\"",53],["ООО \"Феникс-Презент\"",42]]
在我看来身边,我有一个jquery post请求
$.ajax({
url: '@Url.Action("CompanyChart", "Users")',
type: 'post',
dataType: "json",
success: function (data) {
drawChart(data);
}
});
然后,我尝试画谷歌饼图
google.charts.load("current", { packages: ["corechart"] });
google.charts.setOnLoadCallback(drawChart);
function drawChart(data) {
var array = JSON.parse(data);
var dataV = new google.visualization.DataTable(array);
var options = {
title: 'My Daily Activities',
pieHole: 0.4,
};
var chart = new google.visualization.PieChart(document.getElementById('donutchart'));
chart.draw(dataV, options);
};
不能正常工作,控制台出错Uncaught SyntaxError: Unexpected token К in JSON at position 0
我不明白,为什么我的代码不起作用?
现在无法正常工作控制台写指数:1711遗漏的类型错误:无法读取未定义 VM372的特性 'arrayToDataTable':231未捕获的错误:不是一个数组 – Shato
你可以发布代码错误的地方,特别是“VM372:231”吗? –