1 public partial class WebForm4 : System.Web.UI.Page
2 {
3 protected void Page_Load(object sender, EventArgs e)
4 {
5 if (!IsPostBack)
6 {
7 CreateChart();
8 BindGrid("");
9 }
10 }
11 public DataTable GetData(string strSql)
12 {
13 SqlConnection con = new SqlConnection("Data Source=.;Initial Catalog=DEMO;Integrated Security=True");
14 SqlCommand cmd = new SqlCommand(strSql, con);
15 SqlDataAdapter da = new SqlDataAdapter(cmd);
16 DataSet ds = new DataSet();
17 da.Fill(ds);
18 return ds.Tables[0];
19 }
20 public void CreateChart()
21 {
22 string strSql = " SELECT r.RegionName ,SUM(s.Sales) as SumSales FROM Regions r inner join Reps_Sales s on r.RegionID= s.RegionID GROUP BY R.RegionName";
23 DataTable dt = GetData(strSql);
24 Chart1.Width = 500;
25 Chart1.Height = 300;
26 Chart1.Series[0].ToolTip = "#VALX:\t#VALY";
27 Chart1.DataSource = dt;
28 Chart1.Series[0].XValueMember = "RegionName";
29 Chart1.Series[0].YValueMembers = "SumSales";
30 Chart1.Series[0].PostBackValue = "#VALX";
31 Chart1.DataBind();
32 }
33
34 public void BindGrid(string parameName)
35 {
36 if (parameName == "")
37 {
38 parameName = "Central";
39 }
40 DataTable dt = GetData(string.Format("SELECT s.Name,s.Sales FROM Regions r inner join Reps_Sales s on r.RegionID= s.RegionID WHERE r.RegionName='{0}'",parameName));
41 this.gv.DataSource = dt;
42 this.gv.DataBind();
43 this.gv.Caption = parameName;
44 }
45
46 protected void Chart1_Click(object sender, ImageMapEventArgs e)
47 {
48 string s = e.PostBackValue;
49 BindGrid(s);
50 }
51 }
View Code
