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there is an error after deleting row in dgv. i deleted it manually using delete button on keyboard.

this problem when appear when deleting all rows.
if there are 3 row, i delete 1 row - no problem,
delete 3 - this is problem

but if there only one row - the problem appear.


C#
private void beliDtlDataGridView_DefaultValuesNeeded(object sender, DataGridViewRowEventArgs e)
    {
        e.Row.Cells["qty"].Value = "0";
        e.Row.Cells["harga"].Value = "0";
        e.Row.Cells["discp"].Value = "0";
        e.Row.Cells["disc"].Value = "0";
        e.Row.Cells["total"].Value = "0";

    }

    private void beliDtlDataGridView_CellEndEdit(object sender, DataGridViewCellEventArgs e)
    {
        int iColumn = beliDtlDataGridView.CurrentCell.ColumnIndex;
        int iRow = beliDtlDataGridView.CurrentCell.RowIndex;

        if (iColumn == 2)
        {
            if (iRow >= 0 && !MultiSatuan)
            {
                try
                {
                    beliDtlDataGridView.CurrentCell = beliDtlDataGridView.Rows[iRow].Cells[4];
                    SendKeys.Send("{up}");
                }
                catch (InvalidOperationException ex)
                {
                    return;
                }
            }
            else
            {
                try
                {
                    beliDtlDataGridView.CurrentCell = beliDtlDataGridView.Rows[iRow].Cells[3];
                    SendKeys.Send("{up}");
                }
                catch (InvalidOperationException ex)
                {
                    return;
                }

            }
        }
        else
        {
            //new line
            if (iColumn == 8)
            {
                try
                {
                    beliDtlDataGridView.CurrentCell = beliDtlDataGridView.Rows[iRow + 1].Cells[0];
                }
                catch (InvalidOperationException ex)
                {
                    return;
                }
            }
            else
            {
                SendKeys.Send("{up}");
                SendKeys.Send("{right}");
            }

        }
        Hitung();

    }


    private void Hitung()
    {
        if (beliDtlDataGridView.Rows.Count > 1)
        {
            var result2 = beliDtlDataGridView.Rows.Cast<DataGridViewRow>()
            .Where(r => r.Cells["total"].Value != null)
            .Sum(r => Double.Parse(r.Cells["total"].Value.ToString()));

            this.grandTextBox.Text = string.Format("{0:N00}", result2.ToString());
            this.discTextBox.Text = (Convert.ToDecimal(MyTools.IsNull(this.discpTextBox.Text)) * Convert.ToDecimal(result2.ToString()) / 100).ToString();
            this.dppTextBox.Text = (Convert.ToDecimal(result2.ToString()) - Convert.ToDecimal(MyTools.IsNull(discTextBox.Text))).ToString();
            this.pPnTextBox.Text = (Convert.ToDecimal(MyTools.IsNull(dppTextBox.Text)) / 10).ToString();
            this.totalTextBox.Text = (Convert.ToDecimal(MyTools.IsNull(dppTextBox.Text)) + Convert.ToDecimal(MyTools.IsNull(pPnTextBox.Text))).ToString();
        }
        else
        {
            this.grandTextBox.Text = "0";
            this.discTextBox.Text = "0";
            this.dppTextBox.Text = "0";
            this.pPnTextBox.Text = "0";
            this.totalTextBox.Text = "0";
        }
    } 
Posted
Updated 19-Sep-13 19:20pm
v2

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