Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->        private void BindGridViewData(DataTable dt, DataTable dtNoRelation)
        {organTable = dt;noRelationTable = dtNoRelation;DataGridView dataGridView1 = new DataGridView();this.groupBox1.Controls.Clear();this.groupBox1.Controls.Add(dataGridView1);dataGridView1.Dock = DockStyle.Fill;dataGridView1.CellValueChanged +=new DataGridViewCellEventHandler(organDataGridView_CellValueChanged);dataGridView1.UserDeletedRow += new DataGridViewRowEventHandler(organDataGridView_UserDeletedRow);dataGridView1.AutoGenerateColumns = false;dataGridView1.Rows.Clear();dataGridView1.Columns.Clear();DataGridViewDataWindowColumn col1 = new DataGridViewDataWindowColumn();col1.HeaderText = "机构代码";col1.Name = "机构代码";   //下拉列表的数据col1.DataSource = GetDataTable(dtNoRelation);dataGridView1.Columns.Add(col1);DataGridViewTextBoxColumn col2 = new DataGridViewTextBoxColumn();col2.HeaderText = "机构名称";col2.Name = "机构名称";col2.Width = 300;col2.ReadOnly = true;dataGridView1.Columns.Add(col2);if (dt != null){foreach (DataRow dr in dt.Rows){string value = dr[0].ToString();DataGridViewRow row = new DataGridViewRow();DataGridViewDataWindowCell cell = new DataGridViewDataWindowCell();cell.Value = value;row.Cells.Add(cell);cell.DropDownHeight = 400;cell.DropDownWidth = 300;DataGridViewTextBoxCell cell2 = new DataGridViewTextBoxCell();cell2.Value = dr[1].ToString();row.Cells.Add(cell2);dataGridView1.Rows.Add(row);}}}

            dataGridView1.CellValueChanged +=new DataGridViewCellEventHandler(organDataGridView_CellValueChanged);dataGridView1.UserDeletedRow += new DataGridViewRowEventHandler(organDataGridView_UserDeletedRow);

Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->        private void organDataGridView_CellValueChanged(object sender, DataGridViewCellEventArgs e)
        {DataGridView organDataGridView = sender as DataGridView;if (!organDataGridView.IsCurrentCellInEditMode)return;#region 显示关联机构名称if (e.RowIndex > -1){if (organDataGridView.CurrentCell.Value == System.DBNull.Value){return;}if (e.ColumnIndex == 0){DataGridViewCell cell = organDataGridView.Rows[e.RowIndex].Cells["机构代码"];if (cell.Value == null)return;string organCode = cell.Value.ToString();string organName = GetOrganName(organTable, organCode);if (string.IsNullOrEmpty(organName)){organName = GetOrganName(noRelationTable, organCode);}organDataGridView.Rows[e.RowIndex].Cells["机构名称"].Value = organName;}} #endregionif (this.treeView1.SelectedNode != null){string gjOrganCode = this.treeView1.SelectedNode.Tag.ToString();if (!string.IsNullOrEmpty(gjOrganCode)){string yctOrganCode = organDataGridView.CurrentCell.Value.ToString();OrganCodeMapDAL organMapDal = new OrganCodeMapDAL();organMapDal.UpdateOrganMapData(gjOrganCode, yctOrganCode);}}}private void organDataGridView_UserDeletedRow(object sender, DataGridViewRowEventArgs e){DataGridView organDataGridView = sender as DataGridView;string organCode = e.Row.Cells[0].Value.ToString();OrganCodeMapDAL organMapDal = new OrganCodeMapDAL();organMapDal.DeleteOrganMapData(organCode);}

Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->        private void BindData()
        {            //设置DataWindow属性this.dataWindow1.PopupGridAutoSize = false;this.dataWindow1.DropDownHeight = 300;this.dataWindow1.DropDownWidth = 240;this.dataWindow1.FormattingEnabled = true;this.dataWindow1.sDisplayField = "车辆编码,车牌号码";this.dataWindow1.sDisplayMember = "车辆编码";this.dataWindow1.sValueMember = "车辆编码";this.dataWindow1.SeparatorChar = "|";BusDAL busDal = new BusDAL();DataTable dt = busDal.GetYCTBusTable(this.txtOrganName.Tag.ToString());this.dataWindow1.DataSource = dt;this.dataWindow1.AfterSelector += new EventHandler(dataWindow1_AfterSelector);//必须在DataSource绑定之后设置该属性this.dataWindow1.RowFilterVisible = true;}//选择完下拉表格后执行的事件private void dataWindow1_AfterSelector(object sender, EventArgs e){}