private void Cmb_constructions_SelectedIndexChanged(object sender, EventArgs e) { dt.Columns.Clear(); dt.Rows.Clear(); DataRow dr = dt.NewRow(); string words = Cmb_constructions.SelectedItem.ToString(); string construction_id = api.getConstructionsId(api.getAllConstructions(), words); List <Time> listek = api.returnListTime(api.getAllTime(), construction_id); for (int x = 0; x < listek.Count; x++) { if (dt.Rows.Count <= 0) { if (listek[x].construction_id == construction_id && Convert.ToDateTime(listek[x].Timestamp_date) >= Convert.ToDateTime(Date_begin_interval.Value) && Convert.ToDateTime(listek[x].Timestamp_date) <= Convert.ToDateTime(Date_end_interval.Value)) { DataColumn dc1 = new DataColumn("Ime gradbišča", typeof(string)); DataColumn dc2 = new DataColumn("Ime delavca", typeof(string)); DataColumn dc3 = new DataColumn("Priimek delavca", typeof(string)); DataColumn dc4 = new DataColumn("Datum", typeof(string)); DataColumn dc5 = new DataColumn("Število opravljenih minut", typeof(string)); dt.Columns.Add(dc1); dt.Columns.Add(dc2); dt.Columns.Add(dc3); dt.Columns.Add(dc4); dt.Columns.Add(dc5); dt.Rows.Add(words, api.getWorkerName(api.getAllWorkers(), listek[x].worker_id), api.getWorkerSurname(api.getAllWorkers(), listek[x].worker_id), listek[x].Timestamp_date, listek[x].Shift); dataGridView1.DataSource = dt; } } else { if (listek[x].construction_id == construction_id && Convert.ToDateTime(listek[x].Timestamp_date) > Convert.ToDateTime(Date_begin_interval.Value) && Convert.ToDateTime(listek[x].Timestamp_date) < Convert.ToDateTime(Date_end_interval.Value)) { dt.Rows.Add(words, api.getWorkerName(api.getAllWorkers(), listek[x].worker_id), api.getWorkerSurname(api.getAllWorkers(), listek[x].worker_id), listek[x].Timestamp_date, listek[x].Shift); dataGridView1.DataSource = dt; } } } }