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Home » ASP.NET 2.0/3.5 » How to merge the data of two table in a DataGrid

How to merge the data of two table in a DataGrid


This article shows how we can merge the data of two table using a DataSet property.

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MergeDataSet.zip
 
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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();

   } 

}


The data of Table1 is:



Figure 1.

The data of Table2 is:



Figure 2.

When user will run the application then the window will look like this:



Figure 3.


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 About the author
 
Rahul Kumar Saxena
Rahul shows great interests in working with Microsoft technologies. He specializes in the implementation of DataBase & Graphics. His area of expertise includes: C#, ASP.NET,ADO.NET,Windows Forms & Web Services. He hails from background , Master's in Computer Application. With programming he loves photography, traveling and reading books.
(Talabpur*)
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dotnet by nalini On September 18, 2007
your article was very helpfull.I have one more query i want to display schedule of fm station where it consits of time vertically and week days horizontally i wan to display data underneath it.for ex if i have program from 6 to 9 a.m and program on sun,mun,tue,wed,thursday i need to merges two rows and five columns and data should be underneath it and it sould contain program name anounces directors and producers.how can i do this just visit our site www.marinafm.com in that click schedules i want my grid to look in that with data taking from database
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