Show total sum values of the datagridview cell columns in datagridview cell row footer

Satyapriyanayak
Posted by Satyapriyanayak under C# category on | Points: 40 | Views : 8068
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Data.OleDb;
namespace Sum_datagridview_cell_row_footer
{
public partial class Form1 : Form
{
string ConnectionString = System.Configuration.ConfigurationSettings.AppSettings["dsn"];
OleDbCommand com;
OleDbDataAdapter oledbda;
DataSet ds;
string str;

public Form1()
{
InitializeComponent();
}

private void Form1_Load(object sender, EventArgs e)
{
bindgrid();
}
private void bindgrid()
{
OleDbConnection con = new OleDbConnection(ConnectionString);
con.Open();
str = "select * from product";
com = new OleDbCommand(str, con);
oledbda = new OleDbDataAdapter(com);
ds = new DataSet();
oledbda.Fill(ds, "product");
dataGridView1.DataMember = "product";
dataGridView1.DataSource = ds;
con.Close();
dataGridView1[0, dataGridView1.Rows.Count - 1].Value = "Total Sum";
dataGridView1.Rows[dataGridView1.Rows.Count - 1].Cells[0].Style.BackColor = Color.Yellow;
dataGridView1.Rows[dataGridView1.Rows.Count - 1].Cells[1].Style.ForeColor = Color.Red;
}

private void dataGridView1_DataSourceChanged(object sender, EventArgs e)
{
int sum = 0;

for (int i = 0; i < dataGridView1.Rows.Count - 1; i++)
{

if (dataGridView1[1, i].Value != DBNull.Value)
sum += (int)dataGridView1[1, i].Value;
}
dataGridView1[1, dataGridView1.Rows.Count - 1].Value = sum;
}

}
}

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