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namespace
dxExample{ public
partial
class
Form1 : Form { public
Form1() { InitializeComponent(); // Create data ds = new
DataSet(); ds.Tables.Add(GetOrderData()); ds.Tables.Add(GetCustomerData()); gridControl1.DataSource = ds.Tables[0]; // Hide the customerID column gridView1.Columns["customerID"].Visible = false; // Add an unbound column GridColumn col = gridView1.Columns.AddField("custID"); col.Visible = true; col.UnboundType = DevExpress.Data.UnboundColumnType.String; col.OptionsColumn.AllowEdit = false; // event for populating this column with data gridView1.CustomUnboundColumnData += new
DevExpress.XtraGrid.Views.Base.CustomColumnDataEventHandler(gridView1_CustomUnboundColumnData); } DataSet ds; void
gridView1_CustomUnboundColumnData(object
sender, DevExpress.XtraGrid.Views.Base.CustomColumnDataEventArgs e) { if
(e.Column.FieldName == "custID") { if
(e.IsGetData) { object
custID = gridView1.GetRowCellValue(e.ListSourceRowIndex, "customerID"); // Get customer ID from the Orders table e.Value = ds.Tables["Customers"].Rows.Find(custID)["customerName"]; // set the required value } } } DataTable GetOrderData() { DataTable dt = new
DataTable(); dt.TableName = "Orders"; dt.Columns.Add("orderID", typeof(int)); dt.Columns.Add("orderName", typeof(string)); dt.Columns.Add("customerID", typeof(int)); dt.Rows.Add(1, "Order1", 1); dt.Rows.Add(2, "Order2", 1); dt.Rows.Add(3, "Order3", 2); dt.Rows.Add(4, "Order4", 2); dt.Rows.Add(5, "Order5", 1); return
dt; } DataTable GetCustomerData() { DataTable dt = new
DataTable(); dt.TableName = "Customers"; dt.Columns.Add("customerID", typeof(int)); dt.Columns.Add("customerName", typeof(string)); dt.Rows.Add(1, "Alfred"); dt.Rows.Add(2, "Matt"); DataColumn[] keys = new
DataColumn[1]; keys[0] = dt.Columns[0]; dt.PrimaryKey = keys; return
dt; } }} |
GridControl UnboundColumn使用其它表列
原文：http://www.cnblogs.com/perock/p/3531866.html