合并两个DataSet的数据内容的方法

Default.aspx

复制代码 代码如下:

<%@ Page Language="C#" AutoEventWireup="true"  CodeFile="Default.aspx.cs" Inherits="_Default" %>

   


   

Default.aspx.cs

复制代码 代码如下:

using System;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Data.SqlClient;

public partial class _Default : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        DataSet dsSource = new DataSet();        //创建源数据集
        DataSet dsTarget = new DataSet();        //创建目标数据集
        string conStr = ConfigurationManager.ConnectionStrings["conStr"].ToString();
        using (SqlConnection con = new SqlConnection(conStr))//创建数据连接
        {
            //创建数据适配器
            SqlDataAdapter sda = new SqlDataAdapter("select * from DictionaryType", con);
            sda.Fill(dsSource, "DictionaryType");//将字典类添加到源数据集

            sda = new SqlDataAdapter("select * from DictionaryItem", con);
            sda.Fill(dsTarget, "DictionaryItem");//将字典值添加到目标数据集
        }
        dsTarget.Merge(dsSource);   //将源数据集的DictionaryType表合并到目标数据集中
        GridView1.DataSource = dsTarget.Tables["DictionaryType"];
        GridView1.DataBind();
    }
}