一个好人的帮助，我如何在gridview中使用datset显示两个表 [英] Help from a nice someone how i can display two table by using datset in gridview

问题描述

一个好人的帮助，我如何通过在gridview中使用datset显示两个表

Help from a nice someone how i can display two table by using datset in gridview
in the sametime.

推荐答案

GridView.DataSource = myDataSet;
GridView.DataBind();

您遇到什么困难?

What are you having difficulties with?

尝试一下:

Try this :

 // Create a DataSet with two tables and populate it.
   private void MakeDataSet()
   {
      // Create a DataSet.
      myDataSet = new DataSet("myDataSet");
      
      // Create two DataTables.
      DataTable tCust = new DataTable("Customers");
      DataTable tOrders = new DataTable("Orders");

      // Create two columns, and add them to the first table.
      DataColumn cCustID = new DataColumn("CustID", typeof(int));
      DataColumn cCustName = new DataColumn("CustName");
      DataColumn cCurrent = new DataColumn("Current", typeof(bool));
      tCust.Columns.Add(cCustID);
      tCust.Columns.Add(cCustName);
      tCust.Columns.Add(cCurrent);

      // Create three columns, and add them to the second table.
      DataColumn cID = 
      new DataColumn("CustID", typeof(int));
      DataColumn cOrderDate = 
      new DataColumn("orderDate",typeof(DateTime));
      DataColumn cOrderAmount = 
      new DataColumn("OrderAmount", typeof(decimal));
      tOrders.Columns.Add(cOrderAmount);
      tOrders.Columns.Add(cID);
      tOrders.Columns.Add(cOrderDate);

      // Add the tables to the DataSet.
      myDataSet.Tables.Add(tCust);
      myDataSet.Tables.Add(tOrders);

      // Create a DataRelation, and add it to the DataSet.
      DataRelation dr = new DataRelation
      ("custToOrders", cCustID , cID);
      myDataSet.Relations.Add(dr);
   
      /* Populates the tables. For each customer and order, 
      creates two DataRow variables. */
      DataRow newRow1;
      DataRow newRow2;

      // Create three customers in the Customers Table.
      for(int i = 1; i < 4; i++)
      {
         newRow1 = tCust.NewRow();
         newRow1["custID"] = i;
         // Add the row to the Customers table.
         tCust.Rows.Add(newRow1);
      }
      // Give each customer a distinct name.
      tCust.Rows[0]["custName"] = "Customer1";
      tCust.Rows[1]["custName"] = "Customer2";
      tCust.Rows[2]["custName"] = "Customer3";

      // Give the Current column a value.
      tCust.Rows[0]["Current"] = true;
      tCust.Rows[1]["Current"] = true;
      tCust.Rows[2]["Current"] = false;

      // For each customer, create five rows in the Orders table.
      for(int i = 1; i < 4; i++)
      {
         for(int j = 1; j < 6; j++)
         {
            newRow2 = tOrders.NewRow();
            newRow2["CustID"]= i;
            newRow2["orderDate"]= new DateTime(2001, i, j * 2);
            newRow2["OrderAmount"] = i * 10 + j  * .1;
            // Add the row to the Orders table.
            tOrders.Rows.Add(newRow2);
         }
      }
  }

private void SetUp()
   {
      // Create a DataSet with two tables and one relation.
      MakeDataSet();
      /* Bind the DataGrid to the DataSet. The dataMember
      specifies that the Customers table should be displayed.*/
      myDataGrid.SetDataBinding(myDataSet, "Customers");
   }

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