Error in my app...index column negativecsome help?

Error is here line 11 and line 12

row = (DataGridViewRow)roba_uslugeDataGridView.SelectedRows[i].Clone(); int intColIndex = 0;

Some help?

Private void roba_uslugeDataGridView_CellDoubleClick(object sender, DataGridViewCellEventArgs e)
{
DataGridViewRow row = new DataGridViewRow();
for (int i = 0; i < roba_uslugeDataGridView.Rows.Count; i++)
{
row = (DataGridViewRow)roba_uslugeDataGridView.SelectedRows[i].Clone();
int intColIndex = 0;
foreach (DataGridViewCell cell in roba_uslugeDataGridView.SelectedRows[i].Cells)
{
var ColIndex = dataGridView1.Rows.Add();
dataGridView1.Rows[intColIndex].Cells["redni_broj"].Value = intColIndex + 1;
dataGridView1.Rows[intColIndex].Cells["bar_kod"].Value = cell.Value.ToString();
dataGridView1.Rows[intColIndex].Cells["sifra"].Value = cell.Value;
dataGridView1.Rows[intColIndex].Cells["naziv_artikla"].Value = cell.Value;
dataGridView1.Rows[intColIndex].Cells["cijena"].Value = cell.Value;
dataGridView1.Rows[intColIndex].Cells["kolicina"].Value = "1";
foreach (DataGridViewRow g1 in dataGridView1.Rows)
{
g1.Cells["ukupno"].Value = (Convert.ToDouble(g1.Cells["kolicina"].Value) * Convert.ToDouble(g1.Cells["cijena"].Value)).ToString("0.00");
}
row.Cells[intColIndex].Value = cell.Value;
intColIndex++;
}
dataGridView1.Rows.Add(row);
}
dataGridView1.AllowUserToAddRows = false;
dataGridView1.Refresh();
}

1 Reply

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Salman Beg7y ago
Hi. As you said about this line, row = (DataGridViewRow)roba_uslugeDataGridView.SelectedRows[i].Clone(); means the SelectedRows[i] may not be exists and due to which it is showing error. So you can put breakpoint and check. Thanks