want coding for my Show Records button (button1).

hello every1,i have a aspx page and i want coding for button1(name-Show Records) on the behalf of selecting values by dropdownlist1 and dropdownlist4.... i am uploading my aspx page with this ....thnx in advance.
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<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="show.aspx.cs" Inherits="fixed_deposit.show" %>





 
 


 

 

 
  Show Record

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Block Name	DataSourceID="SqlDataSource1" DataTextField="block_name"   DataValueField="block_code" AutoPostBack="true">         ConnectionString="<%$ ConnectionStrings:fdConnectionString3 %>"   SelectCommand="SELECT [block_code], [block_name] FROM [block]">
Department Name	DataSourceID="SqlDataSource2" DataTextField="dept_name"   DataValueField="dept_address" ondatabound="mylist1">         ConnectionString="<%$ ConnectionStrings:fdConnectionString4 %>"   SelectCommand="SELECT [dept_name], [dept_address] FROM [dept]">
GP/Owner Name
Village Name	DataSourceID="SqlDataSource4" DataTextField="vill_name"   DataValueField="vill_code" />         ConnectionString="<%$ ConnectionStrings:fdConnectionString6 %>"   SelectCommand="SELECT vill_name, vill_code FROM village WHERE (block_code = @block_code) ORDER BY vill_name">       PropertyName="SelectedValue" Type="String" />
Bank Name	DataSourceID="SqlDataSource5" DataTextField="BankName" DataValueField="SrNo">       ConnectionString="<%$ ConnectionStrings:fdConnectionString7 %>"   SelectCommand="SELECT [BankName], [SrNo] FROM [bank]">
Branch Name	DataSourceID="SqlDataSource6" DataTextField="Branch" DataValueField="SrNo">       ConnectionString="<%$ ConnectionStrings:fdConnectionString8 %>"   SelectCommand="SELECT [Branch], [SrNo] FROM [Branch]">
	onclick="Button1_Click" />

    AllowSorting="True" BackColor="White" BorderColor="#336666"
  BorderStyle="Double" BorderWidth="3px" CellPadding="4"
  DataSourceID="SqlDataSource7" GridLines="Horizontal">
 
 
 
 
 
 
 
 
 
    ConflictDetection="CompareAllValues"
  ConnectionString="<%$ ConnectionStrings:fdConnectionString16 %>"
  DeleteCommand="DELETE FROM [main] WHERE [sr_no] = @original_sr_no AND [block_name] = @original_block_name AND [dept_name] = @original_dept_name AND [gp_ownername] = @original_gp_ownername AND [vill_name] = @original_vill_name AND [fd_amount] = @original_fd_amount AND [fd_startdate] = @original_fd_startdate AND [fd_period] = @original_fd_period AND [roi] = @original_roi AND [bank_name] = @original_bank_name AND [branch] = @original_branch AND [remarks] = @original_remarks"
  InsertCommand="INSERT INTO [main] ([block_name], [dept_name], [gp_ownername], [vill_name], [fd_amount], [fd_startdate], [fd_period], [roi], [bank_name], [branch], [remarks]) VALUES (@block_name, @dept_name, @gp_ownername, @vill_name, @fd_amount, @fd_startdate, @fd_period, @roi, @bank_name, @branch, @remarks)"
  OldValuesParameterFormatString="original_{0}"
  SelectCommand="SELECT * FROM [main]"
  UpdateCommand="UPDATE [main] SET [block_name] = @block_name, [dept_name] = @dept_name, [gp_ownername] = @gp_ownername, [vill_name] = @vill_name, [fd_amount] = @fd_amount, [fd_startdate] = @fd_startdate, [fd_period] = @fd_period, [roi] = @roi, [bank_name] = @bank_name, [branch] = @branch, [remarks] = @remarks WHERE [sr_no] = @original_sr_no AND [block_name] = @original_block_name AND [dept_name] = @original_dept_name AND [gp_ownername] = @original_gp_ownername AND [vill_name] = @original_vill_name AND [fd_amount] = @original_fd_amount AND [fd_startdate] = @original_fd_startdate AND [fd_period] = @original_fd_period AND [roi] = @original_roi AND [bank_name] = @original_bank_name AND [branch] = @original_branch AND [remarks] = @original_remarks">
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

         Text="Main Page" onclick="Button2_Click" />
         Text="Close" OnClick="Button3_Click" />