SysManage/TongJi.aspx.cs

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using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
using dotnetCHARTING;

public partial class SysManage_TongJi : System.Web.UI.Page
{
    //列表SQL
    string sqltxt = string.Empty;
    protected void Page_Load(object sender, EventArgs e)
    {
        sqltxt = "";
        if (!IsPostBack)
        {
            Get_Data(1, Chart1, "销售数量统计");
            Get_Data(2, Chart2, "销售金额统计");
        }
    }

    /// <summary>
    /// 绑定数据
    /// </summary>
    void Get_Data(int act, Chart cha, string tit)
    {
        if (act == 1)
        {
            sqltxt = @"select productname as itemname,sum(buynumber) as itemvalue
from [vi_order]
group by productname";
        }
        else
        {
            sqltxt = @"select productname as itemname,sum(buynumber*jiage) as itemvalue
from [vi_order]
group by productname";
        }

        DataTable dt = DB.getDataTable(sqltxt);

        cha.YAxis.Label.Text = tit;
        cha.TempDirectory = "../images";//路径
        cha.FileName = "Chart_1" + act;//文件名
        cha.Title = tit;
        cha.Type = ChartType.Combo;
        //cha.Series.Type = SeriesType.Line;
        cha.Series.Data = dt;
        cha.SeriesCollection.Add();
        cha.DefaultSeries.DefaultElement.ShowValue = true;
        cha.ShadingEffect = true;
        cha.Use3D = true;
        cha.Series.DefaultElement.ShowValue = true;