如何使用asp.net

Question

我已经发布了如何使用jquery ajax将参数发送到webmethod我的脚本代码如下所示我还没工作PLS建议我......

$.ajax({
        type: "GET",
        contentType: "application/json; charset=utf-8",
        url: "View.aspx/Getgraph12",

        data: '{name12: "' + machineidnew + '" }',

        contentType: 'application/json; charset=utf-8',
        dataType: "json",
        success: function (data) {
            chartdatamain = data.d;
            drawchart();
        },
        error: function (xhr, status, error) {
        }
    })

  

View.aspx / Getgraph12

[System.Web.Services.WebMethod]
public static List<ChartDetails> Getgraph12(string name12)
{
 }