函数代码如下,生成的是折线图。
protected void GetStyle1(DataTable dt)
{
#region 折线图
Chart1.DataSource = dt;//绑定数据
Chart1.Series["Series1"].ChartType = System.Web.UI.DataVisualization.Charting.SeriesChartType.Line;//设置图表类型
Chart1.Series[0].XValueMember = "Country";//X轴数据成员列
Chart1.Series[0].YValueMembers = "Score";//Y轴数据成员列
Chart1.ChartAreas["ChartArea1"].AxisX.Title = "国家";//X轴标题
Chart1.ChartAreas["ChartArea1"].AxisX.TitleAlignment = StringAlignment.Far;//设置Y轴标题的名称所在位置位远
Chart1.ChartAreas["ChartArea1"].AxisY.Title = "金牌";//X轴标题
Chart1.ChartAreas["ChartArea1"].AxisY.TitleAlignment = StringAlignment.Far;//设置Y轴标题的名称所在位置位远
Chart1.ChartAreas["ChartArea1"].AxisX.Interval = 1;//X轴数据的间距
Chart1.ChartAreas["ChartArea1"].AxisX.MajorGrid.Enabled = false;//不显示竖着的分割线
Chart1.Series[0].IsValueShownAsLabel = true;//显示坐标值
#endregion
}
调用方法为:
DataTable dt = CreatData();
GetStyle1(dt);
protected DataTable CreatData()
{
DataTable dt = new DataTable();
dt.Columns.Add("Country", System.Type.GetType("System.String"));
dt.Columns.Add("Score", System.Type.GetType("System.String"));
string[] n = new string[] { "中国","美国", "俄罗斯", "英国" };
string[] c = new string[] { "85","80", "50", "35" };
for (int i = 0; i < 4; i++)
{
DataRow dr = dt.NewRow();
dr["Country"] = n[i];
dr["Score"] = c[i];
dt.Rows.Add(dr);
}
return dt;
}