Display total sum in label of datagridview columns

Satyapriyanayak
Posted by Satyapriyanayak under C# category on | Points: 40 | Views : 5168
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_in_datagridview
{
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();
}

private void btn_sum_Click(object sender, EventArgs e)
{
int sum = 0;
for (int i = 0; i < dataGridView1.Rows.Count; ++i)
{
sum += Convert.ToInt32(dataGridView1.Rows[i].Cells[1].Value);
}
label1.Text = "Total sum is:"+sum.ToString();


}
}
}

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