如何绑定和显示ajax图表？ [英] how to bind and display ajax chart?

问题描述

我正在尝试绑定并在我的网页上显示ajax图表。但是没有显示任何输出。请帮助我。

Hi, I am trying to bind and display ajax chart on my web page. But doesn't shows any out put. Please help me.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using System.Data.SqlClient;
using System.Configuration;

public partial class demo2 : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            DataTable dt = new DataTable();
            SqlConnection con = new SqlConnection(@"connectionString);
            SqlCommand cmd=new SqlCommand("select Name, Debit, Credit From aTable",con);
            SqlDataAdapter da=new SqlDataAdapter (cmd);
            da.Fill(dt);
        string[] x = new string[dt.Rows.Count];
        decimal[] z = new decimal[dt.Rows.Count];
        decimal[] y = new decimal[dt.Rows.Count];
        for (int i = 0; i < dt.Rows.Count; i++)
        {
                x[i] = dt.Rows[i][0].ToString();
                y[i] = Convert.ToInt32(dt.Rows[i][1]);
                z[i] = Convert.ToInt32(dt.Rows[i][2]);
        }
            BarChart1.Series.Add(new AjaxControlToolkit.BarChartSeries { Data = y });
            BarChart1.Series.Add(new AjaxControlToolkit.BarChartSeries { Data = z });
            BarChart1.CategoriesAxis = string.Join(",", x);
       }
    }
}

推荐答案

一旦浏览这些链接。



1. 在ASP.Net GridView中显示和绑定AJAX条形图 [ ^ ]



2. ASP.Net AJAX条形图控件：从数据库示例填充 [ ^ ]







添加链接文本以反映文章/质量保证标题。

[/编辑]

Once go through these links.

1. Display and bind AJAX Bar Chart inside ASP.Net GridView[^]

2. ASP.Net AJAX Bar Chart Control: Populate from Database example[^]



Link text added to reflect the Article/QA title.
[/Edit]

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