Methods to merge data contents of two DataSets

Copy the codeThe code is as follows:

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="" Inherits="_Default" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http:///TR/xhtml1/DTD/">

<html xmlns="http:///1999/xhtml">
<head runat="server">
<title>Unt title page</title>
</head>
<body>
    <form runat="server">
    <div>
        <asp:GridView ID="GridView1" runat="server" CellPadding="4" ForeColor="#333333"
            GridLines="None">
            <RowStyle BackColor="#EFF3FB" />
            <FooterStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" />
            <PagerStyle BackColor="#2461BF" ForeColor="White" HorizontalAlign="Center" />
            <SelectedRowStyle BackColor="#D1DDF1" Font-Bold="True" ForeColor="#333333" />
            <HeaderStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" />
            <EditRowStyle BackColor="#2461BF" />
            <AlternatingRowStyle BackColor="White" />
        </asp:GridView>
    </div>
    </form>
</body>
</html>

Copy the codeThe code is as follows:

using System;
using ;
using ;
using ;
using ;
using ;
using ;
using ;
using ;
using ;
using ;
using ;

public partial class _Default :
{
    protected void Page_Load(object sender, EventArgs e)
    {
DataSet dsSource = new DataSet();          //Create source dataset
DataSet dsTarget = new DataSet();          //Create the target dataset
        string conStr = ["conStr"].ToString();
using (SqlConnection con = new SqlConnection(conStr))//Create a data connection
        {
//Create a data adapter
            SqlDataAdapter sda = new SqlDataAdapter("select * from DictionaryType", con);
(dsSource, "DictionaryType");//Add dictionary class to source dataset

            sda = new SqlDataAdapter("select * from DictionaryItem", con);
(dsTarget, "DictionaryItem");//Add dictionary value to the target dataset
        }
(dsSource);   //Merge the DictionaryType table of the source dataset into the target dataset
        = ["DictionaryType"];
        ();
    }
}