I want to get Values From DB using Data And time & Dropdow

Hi to all I want to get Values From DB using Data And time & 2 Dropdown

Below the both CS and ASPX Code

Thanx in Advance

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

<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="ajaxToolkit" %>

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aspx.cs CODE

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Data;

using System.Data.SqlClient;

using System.Configuration;

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

{

public string conn = ConfigurationManager.ConnectionStrings["irisdb"].ConnectionString;

public string date;

protected void Page_Load(object sender, EventArgs e)

{

if (!IsPostBack)

{

bindropdown();

}

public void bindropdown()

{

try

{

using (SqlConnection con = new SqlConnection(conn))

{

con.Open();

SqlCommand cmd = new SqlCommand("Select coun_id from CDR", con);

DropDownList1.DataSource = cmd.ExecuteReader();

DropDownList1.DataTextField = "coun_id";

DropDownList1.DataBind();

con.Close();

}

catch (SqlException e)

{

Response.Write(e.Message);

}

protected void Button1_Click(object sender, EventArgs e)

{

try

{

using (SqlConnection con = new SqlConnection(conn))

{

if (DropDownList2.SelectedValue == "1")

{

con.Open();

SqlCommand cmd = new SqlCommand("Select *from CDR Where coun_id='" + DropDownList1.SelectedItem + "'", con);

SqlDataAdapter adpt = new SqlDataAdapter(cmd);

DataSet ds = new DataSet();

adpt.Fill(ds);

SqlDataReader dr = cmd.ExecuteReader();

GridView1.DataSource = ds;

GridView1.DataBind();

GridView1.Visible = true;

con.Close();

}

else if (DropDownList2.SelectedValue == "2")

{

con.Open();

SqlCommand cmd = new SqlCommand("Select *from CCR Where coun_id='" + DropDownList1.SelectedItem + "'", con);

SqlDataAdapter adpt = new SqlDataAdapter(cmd);

DataSet ds = new DataSet();

adpt.Fill(ds);

SqlDataReader dr = cmd.ExecuteReader();

GridView1.DataSource = ds;

GridView1.DataBind();

GridView1.Visible = true;

con.Close();

}

else if (DropDownList2.SelectedValue == "3")

{

con.Open();

SqlCommand cmd = new SqlCommand("Select *from CER Where coun_id='" + DropDownList1.SelectedItem + "'", con);

SqlDataAdapter adpt = new SqlDataAdapter(cmd);

DataSet ds = new DataSet();

adpt.Fill(ds);

SqlDataReader dr = cmd.ExecuteReader();

GridView1.DataSource = ds;

GridView1.DataBind();

GridView1.Visible = true;

con.Close();

}

catch (Exception ex)

{

Response.Write(ex.Message);

}

I Want to Get 2 Values in dropdown , 1 textbox ( Selected date By user ) to display in GridView

Anyone Help me !!