C# Chart Control Tutorial In Urdu - Load Data Dynamically in Chart Control



C# Code

using System;
using System.Data;
using System.Windows.Forms;
using System.Configuration;
using System.Data.SqlClient;

namespace ChartDemoVC3
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}

private void Form1_Load(object sender, EventArgs e)
{
FromComboBox.Text = "2012";
ToComboBox.Text = "2015";

LoadData();
}

private void LoadData()
{
SalesByYearChart.DataSource = GetData();
SalesByYearChart.Series["Series1"].Points.Clear();
SalesByYearChart.Series["Series1"].XValueMember = "Year";
SalesByYearChart.Series["Series1"].YValueMembers = "Total";
}

// DataSet, Objects, Array, Collection, Generics, DataTable
private DataTable GetData()
{
DataTable dtChartData = new DataTable();

using (SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionStrings["dbx"].ConnectionString))
{
using (SqlCommand cmd = new SqlCommand("usp_ChartData2", conn))
{
cmd.CommandType = CommandType.StoredProcedure;

conn.Open();

cmd.Parameters.AddWithValue("@FromYear", FromComboBox.Text);
cmd.Parameters.AddWithValue("@ToYear", ToComboBox.Text);

SqlDataReader reader = cmd.ExecuteReader();

dtChartData.Load(reader);
}
}

return dtChartData;
}

private void GoButton_Click(object sender, EventArgs e)
{
LoadData();
}
}
}

Stored Procedure: [dbo].[usp_ChartData2]

CREATE PROCEDURE [dbo].[usp_ChartData2]
(
@FromYear NVARCHAR(50)
,@ToYear NVARCHAR(50)
)
AS

BEGIN

SELECT SUM([Total]) AS 'Total'
,DATEPART(yyyy, [DateOfOrder]) AS 'Year'
FROM [dbo].[Orders]
GROUP BY DATEPART(yyyy, [DateOfOrder])
HAVING DATEPART(yyyy, [DateOfOrder]) >= @FromYear AND DATEPART(yyyy, [DateOfOrder]) <= @ToYear

END

Comments

  1. how can download this video????

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    Replies
    1. You can download it from YouTube.com,using youtube downloader.

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