How to bind two tables data in DataList Asp.net

Hi Bvenkat,


Try this...

Run the attachments.


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





   


   

   

   
   

            onselectedindexchanged="DropDownList1_SelectedIndexChanged"
        AutoPostBack="True">
   
   
   
       
       



   
               
               
               
               
               
               
               
               
               
               
               
               

Id	Name	Price
<%#Eval("mid")%>	<%#Eval("mname")%>	<%#Eval("mprice")%>

               
   
   
   
   
   
       
       



   
               
               
               
               
               
               
               
               
               
               
               
               

Id	Name	Price
<%#Eval("lid")%>	<%#Eval("lname")%>	<%#Eval("lprice")%>

               
   
   

using System;
using System.Collections;
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;
namespace Bind_two_tables_data_in_DataList
{
    public partial class _Default : System.Web.UI.Page
    {
        string connStr = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString;
        SqlCommand com;
        SqlDataAdapter sqlda;
        DataSet ds;
        DataSet ds2;
        string str;
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                b1();
                b2();
            }
        }

        void b1()
        {
                SqlConnection con = new SqlConnection(connStr);
                DropDownList1.Items.Add("Choose");
                con.Open();
                str = "select * from  Mobile";
                com = new SqlCommand(str, con);
                SqlDataReader reader = com.ExecuteReader();
                while (reader.Read())
                {
                    DropDownList1.Items.Add(reader["mname"].ToString());
                }
                reader.Close();
                con.Close();
        }
        void b2()
        {
            SqlConnection con = new SqlConnection(connStr);
            con.Open();
            str = "select * from  Laptop";
            com = new SqlCommand(str, con);
            SqlDataReader reader = com.ExecuteReader();
            while (reader.Read())
            {
                DropDownList1.Items.Add(reader["lname"].ToString());
            }
            reader.Close();
            con.Close();
        }

        protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)
        {
            d1();
            d2();
        }

        void d1()
        {
            SqlConnection con = new SqlConnection(connStr);
            con.Open();
            str = "select * from Mobile where mname='" + DropDownList1.SelectedItem.Text + "'";
            com = new SqlCommand(str, con);
            SqlDataReader reader;
            reader = com.ExecuteReader();
            DataList1.DataSource = reader;
            DataList1.DataBind();
            reader.Close();
            con.Close();
        }
        void d2()
        {
            SqlConnection con = new SqlConnection(connStr);
            con.Open();
            str = "select * from Laptop where lname='" + DropDownList1.SelectedItem.Text + "'";
            com = new SqlCommand(str, con);
            SqlDataReader reader;
            reader = com.ExecuteReader();
            DataList2.DataSource = reader;
            DataList2.DataBind();
            reader.Close();
            con.Close();
        }
    }
}



Thanks
If this post helps you mark it as answer