private void dataGridView1_CellEndEdit(object sender, DataGridViewCellEventArgs e)
{
DataTable dt = ((DataTable)dataGridView1.DataSource);
string id = dt.Rows[e.RowIndex]["id"] + "";
string col = dt.Columns[e.ColumnIndex].ColumnName;
string data = dataGridView1.Rows[e.RowIndex].Cells[e.ColumnIndex].Value + "";
string sql = string.Format("UPDATE hosts SET `{0}` = '{1}' WHERE id = {2};", col, data, id);
srvmgr.UpdateInsertDeleteData(sql);
}
