private void resultGrid_CellContentClick(object sender, DataGridViewCellEventArgs e)
{
if (e.RowIndex >= 0)
{
DataGridViewRow row = this.resultGrid.Rows[e.RowIndex];
string src = row.Cells["sourceColumn"].Value.ToString();
string tar = row.Cells["targetColumn"].Value.ToString();
main.setTargetToGridFromFuzzyMatched(tar);
}
}