private void LoadStatusGrid()
{
//To be changed to InvoiceID
//Add Master and detail to dataset
//Create and add Master Table (Bind Data)
dataSet = new DataSet();
Order.LoadAll();
DataTable dvOrder = Order.GetDataTable();
dvOrder.TableName = "Order";
dataSet.Tables.Add(dvOrder);
//Create and add Detail Table to dataset
Voucher.LoadAll();
DataTable dvVoucher = Voucher.GetDataTable();
dvVoucher.TableName = "Voucher";
dataSet.Tables.Add(dvVoucher);
GRV.LoadAll();
DataTable dvGRV = GRV.GetDataTable();
dvGRV.TableName = "GRV";
dataSet.Tables.Add(dvGRV);
//Get List Of Column to relate
DataColumn keyColumn1 = dataSet.Tables[dvOrder.TableName].Columns["ID"];
DataColumn foreignKeyColumn1 = dataSet.Tables[dvVoucher.TableName].Columns["POID"];
DataColumn keyColumn2 = dataSet.Tables[dvVoucher.TableName].Columns["ID"];
DataColumn foreignKeyColumn2 = dataSet.Tables[dvGRV.TableName].Columns["ReceiptInvoiceID"];
//Create Master-detail relation (Bind Tables)
dataSet.Relations.Add("OrderVoucher", keyColumn1, foreignKeyColumn1);
dataSet.Relations.Add("VoucherGRV", keyColumn2, foreignKeyColumn2);
//Bind to Grid:Tables and Relation
gridMain.LevelTree.Nodes.Add("OrderVoucher", gridVoucherView);
gridMain.LevelTree.Nodes.Add("VoucherGRV", gridGRVView);
gridMain.DataSource = dataSet.Tables[dvOrder.TableName];
}