public FormSubTotal()
{
this.InitializeComponent();
this.InitGrid1();
var dt = DataRepo.DataSubTotal();
this.dataGridView1.DataSource = dt;
this.InitGrid2(dt.Copy());
this.dataGridView1.CellClick += (g, e) =>
{
var row = this.dataGridView1.Rows[e.RowIndex];
var lastColumnIndex = this.dataGridView1.ColumnCount - 1;
row.Cells[lastColumnIndex].Value = row
.Cells
.Cast <DataGridViewCell>()
.Select((s, i) => i != lastColumnIndex ? s.Value : decimal.Zero)
.Sum(s => (decimal)s);
};
this.dataGridView1.SelectionChanged += (s, e) =>
{
var row = this.dataGridView1.CurrentRow;
if (row == null)
{
return;
}
var subTotal =
(decimal)row.Cells["Nilai1"].Value +
(decimal)row.Cells["Nilai2"].Value +
(decimal)row.Cells["Nilai3"].Value;
this.labelSelectedRow.Text = $@"Selected Row Total: {subTotal.ToString(CultureInfo.InvariantCulture)}";
};
}
