private void metroGrid1_CellMouseClick(object sender, DataGridViewCellMouseEventArgs e) { if (metroGrid1.Rows.Count >= 1) { metroTextBox1.Enabled = metroTextBox2.Enabled = metroTextBox3.Enabled = textBox1.Enabled = true; metroButton2.Enabled = metroButton4.Enabled = metroButton5.Enabled = true; metroGrid2.Enabled = true; DataGridViewRow selectedrow = null; if (metroGrid1.SelectedRows.Count > 0) { selectedrow = metroGrid1.SelectedRows[0]; } if (selectedrow == null) { return; } string x = selectedrow.Cells["URL"].Value.ToString(); if (x == "") { return; } else { metroTextBox2.Text = ""; metroTextBox3.Text = ""; access_data d = new access_data(); d.get_info_by_url(x); UrlId = d.GetIdByUsingUrl(x); metroTextBox1.Text = d.a; textBox1.Text = d.dd; metroGrid2.DataSource = d.ReturnWebTagListAndName(UrlId); aa = 0; } } }