private void bt_select_Click(object sender, EventArgs e) { if (dtp_begin.Value > dtp_end.Value) { MessageBox.Show("开始日期不能大于结束日期!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information); this.ActiveControl = dtp_begin; return; } if (txt_tjdw.Text == "") { txt_tjdw.Tag = ""; } string str_dwbh = ""; if (txt_tjdw.Tag.ToString().Trim() != "") { str_dwbh = txt_tjdw.Tag.ToString().Trim().Substring(0, 4); } string str_bmbh = txt_tjdw.Tag.ToString().Trim(); if (str_bmbh.Length == 4) { str_bmbh = ""; } DataTable dtJbxx = new DataTable(); dtJbxx = tjdjbiz.GetTjdjxx_jkzpldy(str_dwbh, comn.DateTimeChange(dtp_begin.Value.AddDays(-1)) + " 23:59:59", comn.DateTimeChange(dtp_end.Value) + " 23:59:59", txt_xm.Text.Trim()); dgv_tjdjb.DataSource = dtJbxx; ChargeColor(); groupBox2.Text = "体检记录----办证人数合计:" + dtJbxx.Rows.Count.ToString() + "人"; }