ASP.NET数据报表之柱状图 ------工作日志

#region 柱形色调
/// <summary>
/// 柱形色调
/// </summary>
private string[] myColor = new string[]
{
"DarkGreen",
"DimGray",
"DodgerBlue",
"Orchid", //Peru
"Orange",
"Orchid",
"Gold",
"Peru",
"Lime",
"Tan",
"Red",
"GreenYellow",
"DarkGreen",
"DimGray",
"Orchid"
};
#endregion

#region 创建webchart实例
/// <summary>
/// 创建webchart实例
/// </summary>
/// <param name="listValue"></param>
/// <param name="listText"></param>
private void bindchart(ArrayList listValue, ArrayList listText)
{
//遍历DataTable为每条记录生成一个柱状
int maxValue = 0;
int max_ = 0;
for (int i = 0; i < listValue.Count; i++)
{
if (Convert.ToInt32(listValue[i]) > max_)
{
max_ = Convert.ToInt32(listValue[i]);
maxValue = i;
}
//创建对象
ColumnChart mychart = new ColumnChart();

//设置柱子宽度
mychart.MaxColumnWidth = 44;
//颜色
mychart.Fill.Color = Color.FromName(this.myColor[i]);
//在柱子上显示数量
mychart.DataLabels.Visible = true;
//数量的字体
mychart.DataLabels.Font = new Font("Verdana", 16);

//添加
float dsfgd = float.Parse(listValue[i].ToString());
mychart.Data.Add(new ChartPoint("", float.Parse(listValue[i].ToString())));
//备注
mychart.Legend = listText[i].ToString();

this.chartSp.Charts.Add(mychart);
this.chartSp.XTitle.Text = mychart.Legend;
}
//辅助设置
//背景色
//ChartControl1.Background.Color = Color.FromArgb(55, 0, 16);
chartSp.YAxisFont.ForeColor = Color.FromArgb(165, 0, 16);//(165, 0, 16);
chartSp.XAxisFont.ForeColor = Color.FromArgb(165, 0, 16);
chartSp.YValuesFormat = "{0}"; //{0:N}
//内部线条
chartSp.Border.Color = Color.FromArgb(200, 200, 200);
//边框样式
chartSp.BorderStyle = BorderStyle.None;
//y最大值
double max = double.Parse(listValue[maxValue].ToString());
int intv = 2;

//数量小于16的情况
if (max < 16)
{
max = 16;
}
//大于16的情况
else
{
intv = int.Parse(Math.Ceiling(max / 8).ToString());
max += intv;
}

//设置Y轴终点值
chartSp.YCustomEnd = int.Parse(max.ToString());
//y递增值
chartSp.YValuesInterval = intv;

//生成
this.chartSp.RedrawChart();
}
#endregion

#region 绑定全部数据
public void ShowAllData()
{
if (Session["admin_Number"] == null)
{
Response.Write("<script language=javascript>alert('连接超时，请重新登录！！');</script>");
Response.Write("<script language=javascript>parent.location.href='admin_Login_.aspx'</script>");
Response.Write("<script language=javascript>window.open('admin_Login_.aspx');opener=null;top.close();</script>");
}
else
{
BLL_StatisticSP sp = new BLL_StatisticSP();
ArrayList listValue = new ArrayList();//值
ArrayList listText = new ArrayList();//显示文本
int yhl = sp.GetAllYHL();//用户量
int sbl = sp.GetAllSBL();//设备量
int zsl = sp.GetAllSpShow();//展示量
int djl = sp.GetAllDJL();//点击量
int azl = sp.GetAllAZL();//安装量
int app = sp.GetAppCount(""); //应用数
int appUser = sp.GetAppUserCount("");//开发者人数
listValue.Add(yhl);
listValue.Add(sbl);
listValue.Add(zsl);
listValue.Add(djl);
listValue.Add(azl);
listText.Add("用户量");
listText.Add("设备量");
listText.Add("展示量");
listText.Add("点击量");
listText.Add("apk安装量");
this.lblYHl.Text = yhl + "人";
this.lblSBL.Text = sbl + "部";
this.lblZSL.Text = zsl + "次";
this.lblDJL.Text = djl + "次";
this.lblAZL.Text = azl + "次";
this.lblAPP.Text = app + "个";
this.lblAppUser.Text = appUser + "人";
bindchart(listValue, listText);
}

}
#endregion