HOW TO: Merge Two Tables in One GridView

In a DataGrid we can show the data of a table easily. But if we want to show the data of two tables in a DataGrid then how we will show the data. For showing the data of two table in a single DataGrid we have to used the DataSet  merge property.
For showing the data of two table in a dataGrid make sure that the field name and field type of both table should be same.
 
The aspx code is:
 
<%@ Page Language=”C#” AutoEventWireup=”true”  CodeFile=”Default.aspx.cs” Inherits=”_Default” %>

<!DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”>

<html xmlns=”http://www.w3.org/1999/xhtml” >

<head runat=”server”>

    <title>Merge Two DataSet</title>

</head>

<body>

    <form id=”form1″ runat=”server”>

    <div>

      <table width=”70%” align=”center” border=”4″>

        <tr><td height=”20px”></td></tr>

        <tr><td align=”center”>

               <asp:DataGrid ID=”GridAllRecord” runat=”server” HeaderStyle-BackColor=”blue”>

               </asp:DataGrid>   

         <tr><td height=”20px”></td></tr>

         </td></tr>

      </table>  

    </div>

    </form>

</body>

</html>

 

 

The aspx.cs code
 

using System;

using System.Data;

using System.Configuration;

using System.Web;

using System.Web.Security;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Web.UI.WebControls.WebParts;

using System.Web.UI.HtmlControls;

using System.Data.SqlClient;

 

public partial class _Default : System.Web.UI.Page

{

    SqlConnection con;

    SqlDataAdapter da;  

    DataSet ds1 = new DataSet();

    DataSet ds2 = new DataSet();

    protected void Page_Load(object sender, EventArgs e)

    {

        binddata();

    }

 

   public void binddata()

   {

       con=new SqlConnection(“Data Source=MCN101; Initial Catalog=MergeTable; Uid=sa; pwd=”);

       da = new SqlDataAdapter(“Select * from Table1″, con);

       da.Fill(ds1, “Record”);

       da = new SqlDataAdapter(“select * from Table2″, con);

       da.Fill(ds2, “Record”);

       ds1.Merge(ds2);

       GridAllRecord.DataSource = ds1;

       GridAllRecord.DataBind();

   } 

}

 

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