C# - How To Get The Sum Of All DataGridView Column Values In C#
In This C# Tutorial We Will See How To Get The Sum Of All Values From Specific
DataGridView Column And Display It In TextBox Using CSharp Programming Language.
DataGridView Column And Display It In TextBox Using CSharp Programming Language.
Project Source Code:
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace WindowsFormsApplication1
{
public partial class Csharp_Datagridview_Column_Cells_Sum : Form
{
public Csharp_Datagridview_Column_Cells_Sum()
{
InitializeComponent();
}
private void Csharp_Datagridview_Column_Cells_Sum_Load(object sender, EventArgs e)
{
// populate datagridview with some data
for(int i = 0; i <= 10; i++)
{
dataGridView1.Rows.Add(i.ToString(), "First Name" + i.ToString(), "Last Name" + i.ToString());
}
dataGridView1.AllowUserToAddRows = false;
// method 1
textBoxSum.Text = (from DataGridViewRow row in dataGridView1.Rows
where row.Cells[0].FormattedValue.ToString()!= string.Empty
select Convert.ToInt32(row.Cells[0].FormattedValue)).Sum().ToString();
// method 2
int sum = 0;
for(int i = 0; i <= dataGridView1.Rows.Count-1; i++)
{
sum = sum + int.Parse(dataGridView1.Rows[i].Cells[0].Value.ToString());
}
textBoxSum.Text = sum.ToString();
// method 3
int[] columnData = new int[dataGridView1.Rows.Count];
columnData = (from DataGridViewRow row in dataGridView1.Rows
where row.Cells[0].FormattedValue.ToString() != string.Empty
select Convert.ToInt32(row.Cells[0].FormattedValue)).ToArray();
textBoxSum.Text = columnData.Sum().ToString();
}
}
}
///////////////OUTPUT:
 |
| c# sum of datagridview column values |
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