for (int i = 0; i < rows; i++)
{
values = dataGridView1.Rows[i].Cells[1].Value.ToString();
MessageBox.Show(values);
cm.CommandText="insert into check values('"+textBox1.Text+"','"+values+"','','');";
cm.Connection=cn;
MessageBox.Show(cm.CommandText.ToString());
cm.ExecuteNonQuery();
//MessageBox.Show(dataGridView1.Rows[i].Cells[1].Value.ToString());
values = "";
}
this shows an error on cm.ExecuteNonQuery();
please help asap