datagrid with sum query

Question

i am developing a applicationi want to add the total column of datagrid and display in textbox.if we use filter commandthen alse the total column shows the total value in textbox.need help. Thanks- Amitesh

Satyapriya Nayak · Answer

Hi Amitesh Try this... App.config Form1.cs 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 { sum += Convert.ToInt32(dataGridView1.Rows[i].Cells[1].Value); } label1.Text = Total sum is:+sum.ToString(); } } } Thanks If this post helps you mark it as answer