Non-invocable member 'System.Web.UI.DataVisualization.Charting.Chart.Series' cannot be used like a method.

28 กุมภาพันธ์ 2555 10:37

Hi there.

I try this statement but I have error, why?

Can you help me?

<%@ Page Title="Home page" Language="C#" AutoEventWireup="true" %>

<%@ Import Namespace="System" %>
<%@ Import Namespace="System.Data" %>
<%@ Import Namespace="System.Data.Odbc" %>
<%@ Import Namespace="System.Drawing" %>
<%@ Import Namespace="System.IO" %>
<%@ Import Namespace="System.Collections.Generic" %>
<%@ Import Namespace="System.Linq" %>
<%@ Import Namespace="System.Configuration" %>
<%@ Import Namespace="System.Security.Principal" %>
<%@ Import Namespace="System.Text" %>
<%@ Import Namespace="DocumentFormat.OpenXml" %>
<%@ Import Namespace="DocumentFormat.OpenXml.Presentation" %>
<%@ Import Namespace="DocumentFormat.OpenXml.Packaging" %>
<%@ Import Namespace="DocumentFormat.OpenXml.Drawing" %>


<%@ Register Assembly="System.Web.DataVisualization, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"
    Namespace="System.Web.UI.DataVisualization.Charting" TagPrefix="asp" %>

<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
<title>Grafico</title>

<script runat="server"> 


   private void Page_Load(object sender, System.EventArgs e)
   {
       

       OdbcConnection myConnectionString = new OdbcConnection(ConfigurationManager.ConnectionStrings["ConnMySQL"].ConnectionString);
       myConnectionString.Open();

       String strQuery = " SELECT Region, Number " +
                         " FROM myFirstTabelMysql; ";
                           
       OdbcCommand objCmd = new OdbcCommand(strQuery, myConnectionString);
       objCmd.CommandType = CommandType.Text;
       objCmd.CommandText = strQuery;

       Chart1.Series("Default").Points.DataBindXY(objCmd.ExecuteReader, "Region", objCmd.ExecuteReader, "Number");

       myConnectionString.Close();
       myConnectionString.Dispose();

   }   
</script>

</head>
<body>
    <form id="form1" runat="server">
    <div>

<asp:Chart ID="Chart1" runat="server" Width="550" Height="350"> 
   <Series> 
      <asp:Series Name="Default" ChartType="Bar" Palette="Chocolate" ChartArea="ChartArea1"></asp:Series> 
   </Series> 
    
   <ChartAreas> 
      <asp:ChartArea Name="ChartArea1" Area3DStyle-Enable3D="true"> 
      </asp:ChartArea> 
   </ChartAreas> 
</asp:Chart>


    </div>
    </form>
</body>
</html>

Compilation Error

Description: An error occurred during the compilation of a resource required to service this request. Please review the following specific error details and modify your source code appropriately.

Compiler Error Message: CS1955: Non-invocable member 'System.Web.UI.DataVisualization.Charting.Chart.Series' cannot be used like a method.

Source Error:


Line 598:       objCmd.CommandText = strQuery;
Line 599:
Line 600:       Chart1.Series("Default").Points.DataBindXY(objCmd.ExecuteReader, "Region", objCmd.ExecuteReader, "Number");
Line 601:
Line 602:       myConnectionString.Close();

ตอบทั้งหมด

1 มีนาคม 2555 9:44

0
Series is a collection; use square brackets; e.g. Chart1.Series["Default"]...
- ทำเครื่องหมายเป็นคำตอบโดย cms9651 10 เมษายน 2555 20:00
- ตอบ
- อ้างอิง

6 มีนาคม 2555 12:40

Series is a collection; use square brackets; e.g. Chart1.Series["Default"]...

thanks for ur reply, but:

   private void Page_Load(object sender, System.EventArgs e)
   {
       

       OdbcConnection myConnectionString = new OdbcConnection(ConfigurationManager.ConnectionStrings["ConnMySQL"].ConnectionString);
       myConnectionString.Open();

       String strQuery = " SELECT Region, Number " +
                         " FROM myFirstTabelMysql; ";
                           
       OdbcCommand objCmd = new OdbcCommand(strQuery, myConnectionString);
       objCmd.CommandType = CommandType.Text;
       objCmd.CommandText = strQuery;

       Chart1.Series["Default"].Points.DataBindXY(objCmd.ExecuteReader, "Region", objCmd.ExecuteReader, "Number");

       myConnectionString.Close();
       myConnectionString.Dispose();

   }

Description: An error occurred during the compilation of a resource required to service this request. Please review the following specific error details and modify your source code appropriately.

Compiler Error Message: CS1502: The best overloaded method match for 'System.Web.UI.DataVisualization.Charting.DataPointCollection.DataBindXY(System.Collections.IEnumerable, params System.Collections.IEnumerable[])' has some invalid arguments