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Summing columns

lester555 asked:

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i have datagridview with 'cCommonPrice' cell. im trying to label.text show sum of date in this cell

this my code
private void btnSell_Click(object sender, EventArgs e)

    if (Program.myList.Contains(txtBarCode.Text))

    for (int i = 0; i < dgvProducts.Rows.Count; i++)
        decimal mon = 0;
        decimal comPrice;
        comPrice = (decimal)dgvProducts.Rows[i].Cells["cPrice"].Value;
        mon = comPrice;
        mon = mon + comPrice;
        lblPrice.Text = mon.ToString();

but it does not work
i need help for summing
Im using c# winforms
datagridview source is not sql table
Tags: C#, DataGridView


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