Asp.net 2.0图形报表制作chart(原作)

前一些时间,在一个油田生产管理系统中遇到了一个我很感兴趣的工作，就是要开发出许多由生产到销售的一系列图形报表。在此之前没有做过这方面的工作呀，于是Google呀，也找到了许多现成的控件可以用，但是都是收费的，公司不愿掏Money。没办法只能找免费的，Free的真的很少啊。另外在网上也看到了许多朋友自己写的图形报表，但是看了效果自己不是很理想。最后向公司的另外以为高手请教，哈哈，他给了一个国外破解的图形报表控件，这个控件真的很不错，现在拿出来和大家一起来分享。

先看一下效果：





下面是它的一个示例代码：
using System;

using System.Data;

using System.Configuration;

using System.Collections;

using System.Drawing;

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 Dundas.Charting.WebControl;

using JH.WySystem.DataBaseSQLHelper;

using JH.WySystem.BLL.Sj_Fx;

namespace WySysTemWeb.Sj_Fx

{

public partial class WySf_Ls_DataFx : System.Web.UI.Page

{

private DataTable tableOld, tableNew;

private int yearOld, yearNew;

protected System.Web.UI.WebControls.Label lb_title;

private ChartArea chartArea;

protected void Page_Load(object sender, EventArgs e)

{

if (!this.IsPostBack)

{

int year = DateTime.Today.Year;

ArrayList listYear = new ArrayList();

for (int k = 2001; k < year+1; k++)

{

listYear.Add(k);

}

ddl_year.DataSource = listYear;

ddl_year.SelectedValue = year.ToString();

ddl_year.DataBind();

Dll_Xq_DataBin(); //绑定小区信息

Dd_Chages_Item(); //绑定小区收费项目

//处理连接

string strDate = ddl_year.SelectedValue.Trim(); //分析年份

string strDwbm = ddl_unit.SelectedValue.Trim(); //分析小区

if (strDate != null && strDwbm != null)

{

ddl_unit.SelectedValue = strDwbm;

ddl_year.SelectedValue =strDate.ToString();

}

yearNew = int.Parse(ddl_year.SelectedValue);

yearOld = yearNew - 1;

try

{

tableOld = Inhabitant_CopyWatch_Chart.WysfLn_GetByXQYear(int.Parse(ddl_unit.SelectedValue.Trim()), yearOld.ToString(), int.Parse(Dd_Item.SelectedValue.Trim()), "yearOld");

tableNew = Inhabitant_CopyWatch_Chart.WysfLn_GetByXQYear(int.Parse(ddl_unit.SelectedValue.Trim()), yearNew.ToString(), int.Parse(Dd_Item.SelectedValue.Trim()), "yearNew");

if (tableNew == null && tableOld == null || tableNew.Rows.Count == 0 && tableOld.Rows.Count == 0)

{

lbl_err.Text = "你所选择的小区在该时间段无数据！";

lbl_err.Visible = true;

}

else

{

lbl_err.Visible = false;

CreateChart(tableOld, tableNew);

}

}

catch (Exception ex)

{

lbl_err.Text = "访问数据库失败！";

lbl_err.Visible = true;

}

}

}

private void CreateChart(DataTable tableOld, DataTable tableNew)

{

string unitName = ddl_unit.SelectedItem.Text;

//lb_title.Text = unitName + "收费月分析图";

Chart1.TitleFont = new Font("宋体", 10, FontStyle.Bold);

Chart1.Legend.Font = new Font("宋体", 9);

Chart1.Legend.LegendStyle = LegendStyle.Row;

Chart1.Legend.Docking = LegendDocking.Top;

chartArea = Chart1.ChartAreas[0];

chartArea.AxisX.Title = "日期(月)";

chartArea.AxisY.Title = "金额：(元)";

chartArea.AxisX.TitleFont = chartArea.AxisY.TitleFont = chartArea.AxisX.LabelStyle.Font = chartArea.AxisY.LabelStyle.Font = new Font("宋体", 9);

AddColumn(tableOld);

AddColumn(tableNew);

Chart1.Series.Clear();

if (tableOld.Rows.Count >= tableNew.Rows.Count)

{

AddChartSeries(Chart1, yearOld.ToString(), tableOld.DefaultView, "rq", tableOld.DefaultView, "total", Color.CornflowerBlue, Color.SkyBlue);

AddChartSeries(Chart1, yearNew.ToString(), tableNew.DefaultView, "rq", tableNew.DefaultView, "totalNew", Color.Red, Color.Tomato);

AddHrefToPoint(Chart1.Series[0], tableOld.DefaultView);

AddHrefToPoint(Chart1.Series[1], tableNew.DefaultView);

}

else

{

AddChartSeries(Chart1, yearOld.ToString(), tableOld.DefaultView, "rq", tableOld.DefaultView, "total", Color.CornflowerBlue, Color.SkyBlue);

AddChartSeries(Chart1, yearNew.ToString(), tableNew.DefaultView, "rq", tableNew.DefaultView, "totalNew", Color.Red, Color.Tomato);

AddHrefToPoint(Chart1.Series[0], tableOld.DefaultView);

AddHrefToPoint(Chart1.Series[1], tableNew.DefaultView);

}

}

private Series AddChartSeries(Chart chart, string seriesName, IEnumerable enuX, string xValue, IEnumerable enuY, string yValue, Color color, Color bgColor)

{

Series s = chart.Series.Add(seriesName);

s.Points.DataBindXY(enuX, xValue, enuY, yValue);

s.Type = SeriesChartType.Column;

s.Color = color;

s.BackGradientEndColor = bgColor;

s.BackGradientType = GradientType.DiagonalLeft;

s.CustomAttributes = "DrawingStyle=Cylinder, LabelStyle=Bottom";

s.BorderColor = Color.Black;

s.BorderStyle = ChartDashStyle.Solid;

s.BorderWidth = 1;

s.ShadowOffset = 1;

s.EmptyPointStyle.BorderWidth = 0;

s.EmptyPointStyle.MarkerStyle = MarkerStyle.None;

s.Font = new Font("宋体", 8);

return s;

}

private void AddHrefToPoint(Series series, DataView dataView)

{

for (int k = 0; k < dataView.Table.Rows.Count; k++)

{

series.Points[k].MapAreaAttributes = String.Format("href=\"javascript:void(0)\" onclick=\"\" onmouseover=\"dispPie('{1}')\" onmouseout=\"cancelPie()\"", "date=" + dataView.Table.Rows[k]["rq"].ToString(), dataView.Table.Rows[k]["toolTip"].ToString());

}

}

private void AddColumn(DataTable table)

{

if (table != null)

{

table.Columns.Add("toolTip", Type.GetType("System.String"));

foreach (DataRow dr in table.Rows)

{

dr["toolTip"] = "月份：" + dr["rq"].ToString() + "月<br>" + "金额：" + dr["sfje"].ToString();

}

}

}

private void addColumn(DataTable targetTable, string TFieldName, DataTable souTable, string SFieldName)

{

targetTable.Columns.Add(TFieldName, Type.GetType("System.Double"));

if (targetTable.Rows.Count >= souTable.Rows.Count)

{

for (int i = 0; i < souTable.Rows.Count; i++)

{

targetTable.Rows[i][TFieldName] = souTable.Rows[i][SFieldName];

}

}

else

{

for (int j = 0; j < targetTable.Rows.Count; j++)

{

targetTable.Rows[j][TFieldName] = souTable.Rows[j][SFieldName];

}

}

}

/// <summary>

/// 绑定小区信息列表

/// </summary>

private void Dll_Xq_DataBin()

{

string SQL = "SELECT [XQ_ID], [xq_mc] FROM [Small_area_data]";

DataTable Dt = SqlHelper.GetQueryResult(SQL);

if (Dt.Rows.Count > 0)

{

ddl_unit.DataSource = Dt;

ddl_unit.DataBind();

}

}

/// <summary>

/// 取得收费项目

/// </summary>

public void Dd_Chages_Item()

{

string SQl = "select [sfmc],[Charge_item_ID] from [Charge_item]";

DataTable Dt = SqlHelper.GetQueryResult(SQl);

if(Dt.Rows.Count>0)

{

Dd_Item.DataSource = Dt;

Dd_Item.DataBind();

}

}

protected void but_ok_Click(object sender, EventArgs e)

{

yearNew = Convert.ToInt32(ddl_year.SelectedValue);

yearOld = yearNew - 1;

lbl_err.Visible = false;

try

{

tableOld = Inhabitant_CopyWatch_Chart.WysfLn_GetByXQYear(int.Parse(ddl_unit.SelectedValue.Trim()), yearOld.ToString(), int.Parse(Dd_Item.SelectedValue.Trim()), "yearOld");

tableNew = Inhabitant_CopyWatch_Chart.WysfLn_GetByXQYear(int.Parse(ddl_unit.SelectedValue.Trim()), yearNew.ToString(), int.Parse(Dd_Item.SelectedValue.Trim()), "yearNew");

if (tableNew == null && tableOld == null || tableNew.Rows.Count == 0 && tableOld.Rows.Count == 0)

{

lbl_err.Text = "你所选择的小区在该时间段无数据！";

lbl_err.Visible = true;

}

else

{

lbl_err.Visible = false;

CreateChart(tableOld, tableNew);

}

}

catch (Exception ex)

{

lbl_err.Text = "访问数据库失败！";

lbl_err.Visible = true;

}

}

protected void Chart1_PostPaint(object sender, ChartPaintEventArgs e)

{

if (sender is ChartPicture)

{

if (Chart1.Series.Count > 0)

{

int cellWidth;

int firstCellWidth;

if (Chart1.Series[0].Points.Count > 1)

{

// Calculate data cell width

cellWidth = (int)Chart1.ChartAreas["Default"].AxisX.GetPosition(Chart1.Series[0].Points[1].XValue);

cellWidth -= (int)Chart1.ChartAreas["Default"].AxisX.GetPosition(Chart1.Series[0].Points[0].XValue);

cellWidth = (int)e.ChartGraphics.GetAbsolutePoint(new PointF(cellWidth, 0)).X;

// Calculate first column width

firstCellWidth = (int)Chart1.ChartAreas["Default"].AxisX.GetPosition(Chart1.Series[0].Points[0].XValue - 0.5);

firstCellWidth = (int)e.ChartGraphics.GetAbsolutePoint(new PointF(firstCellWidth, 0)).X;

}

else

{

cellWidth = 60;

firstCellWidth = 150;

}

ChangeColumnName(tableOld, tableNew);

//InitializeTable(ValuesTable, tableOld, firstCellWidth + 6, cellWidth + 2, yearOld.ToString());

// InitializeTable(ValuesTable, tableNew, firstCellWidth + 6, cellWidth + 2, yearNew.ToString());

}

}

}

private void ChangeColumnName(DataTable tableOld, DataTable tableNew)

{

if (tableOld != null)

{

tableOld.Columns.Remove("xqbh");

tableOld.Columns.Remove("rq");

tableOld.Columns.Remove("toolTip");

tableOld.Columns[0].ColumnName = "月均日产";

tableOld.Columns[1].ColumnName = "月开井数";

tableOld.Columns[2].ColumnName = "月均单井日产";

}

if (tableNew != null)

{

tableNew.Columns.Remove("xqbh");

tableNew.Columns.Remove("rq");

tableNew.Columns.Remove("toolTip");

tableNew.Columns[0].ColumnName = "月均日产";

tableNew.Columns[1].ColumnName = "月开井数";

tableNew.Columns[2].ColumnName = "月均单井日产";

}

if (tableOld != null && tableNew != null)

{

if (tableOld.Rows.Count >= tableNew.Rows.Count)

{

//tableOld.Columns.Remove("total");

}

else

{

//tableNew.Columns.Remove("totalNew");

}

}

}

public void InitializeTable(Table table, DataTable sTable, int firstColumnWidth, int otherColumnWidth, string nian)

{

foreach (DataColumn column in sTable.Columns)

{

// Create new table row for each column

TableRow row = new TableRow();

// Add title cell

TableCell cell = new TableCell();

cell.Controls.Add(new LiteralControl(nian + "年" + column.ColumnName));

cell.Width = new Unit(firstColumnWidth, UnitType.Pixel);

cell.HorizontalAlign = HorizontalAlign.Right;

row.Cells.Add(cell);

// Add data cells

int pointIndex = 0;

foreach (DataRow dataRow in sTable.Rows)

{

TableCell dataCell = new TableCell();

dataCell.Controls.Add(new LiteralControl(dataRow[column].ToString()));

dataCell.Width = new Unit(otherColumnWidth, UnitType.Pixel);

dataCell.HorizontalAlign = HorizontalAlign.Center;

row.Cells.Add(dataCell);

++pointIndex;

}

// Add row into the table

table.Rows.Add(row);

}

}

}

}

效果：


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