Display notification if search is not found using Rails 3 - ruby

Question

I am using will_paginate gem for searching data from table as per two date.Here my requirement is If no search data is found there should be one notification to user i.e-"No record found in between these two date.".Mu code files are given below.
view_report.html.erb:
<div class="col-md-4 col-md-offset-1">
<div class="text-left">
To
</div>
<div class="input-group bmargindiv1 date" id='datepicker1' data-date="2015-05-01" data-date-format="yyyy-mm-dd">
<%= text_field_tag :search1, params[:search1], :class => "form-control" %>
<span class="add-on input-group-addon"><i class="fa fa-calendar"></i></span>
</div>
<script type="text/javascript">
$('#datepicker1').datepicker({
format: "yyyy-mm-dd"
});
</script>
</div>
<%= submit_tag "Search",:class => "btn btn-info btn-lg" %>
<div class="clearfix"></div>
<% end %>
</div>
<!--1st_total_div-->
<!--1st_total_div-->
<div class="block-content">
<div class="table-responsive">
<table class="table table-bordered">
<colgroup>
<col class="col-new-md-1">
<col class="col-new-md-1">
<col class="col-new-md-1">
<col class="col-new-md-1">
<col class="col-new-md-1">
<col class="col-new-md-1">
<col class="col-new-md-1">
<col class="col-new-md-1">
<col class="col-new-md-1">
<col class="col-new-md-1">
<col class="col-new-md-1">
<col class="col-new-md-1">
<col class="col-new-md-1">
<col class="col-new-md-1">
<col class="col-new-md-1">
<col class="col-new-md-1">
</colgroup>
<thead>
<tr>
<th class="text-center">Sl. No</th>
<th class="text-center">Receipt<br>Number</th>
<th class="text-center">Date</th>
<th class="text-center">Deceased<br>Name</th>
<th class="text-center">Doner<br>Name</th>
<th class="text-center">Doner<br>Mobile No</th>
<th class="text-center">Doner's<br>Relationship</th>
<th class="text-center">Donation<br>Amount</th>
<th class="text-center">Date of<br>death</th>
<th class="text-center">HCSY<br>Status</th>
<th class="text-center">Brahmin</th>
<th class="text-center">Action</th>
</tr>
</thead>
<tbody>
<% #sdf.each do |sdf| %>
<% #count=#count+1 %>
<tr>
<td class="text-center"><%= #count %></td>
<td class="text-center"><%= sdf.Receipt_No %></td>
<td class="text-center"><%= sdf.Created_On %></td>
<td class="text-center"><%= sdf.Deceased_Name %></td>
<td class="text-center"><%= sdf.Doner_Name %></td>
<td class="text-center"><%= sdf.Doner_MobileNo %></td>
<td class="text-center"><%= sdf.Doner_Relationship_Other %></td>
<td class="text-center"><%= sdf.Donation_Amount %></td>
<td class="text-center"><%= sdf.Date_Of_Death %></td>
<td class="text-center"><%= sdf.HCSY_Status %></td>
<td class="text-center"><%= sdf.Brahmin %></td>
<td class="text-center">
<div class="btn-group">
<a href="/homes/home/?receipt_no=<%= sdf.Receipt_No %>" data-toggle="tooltip" title="" class="btn btn-xs btn-success" data-original-title="View">
<i class="fa fa-eye"></i>
</a>
</div>
</td>
</tr>
<% end %>
</tbody>
</table>
<%= will_paginate #sdf %>
</div>
</div>
<!--end_1st_total_div-->
<!--end_1st_total_div-->
</div>
reports_controller.rb:
class ReportsController < ApplicationController
helper_method :sort_column, :sort_direction
def view_report
#count=0
#sdf =TSdf.all
#sdf = TSdf.search(params[:search],params[:search1]).order(sort_column + ' ' + sort_direction).paginate(:per_page => 10, :page => params[:page])
end
def sort_column
TSdf.column_names.include?(params[:sort]) ? params[:sort] : "Created_On"
end
def sort_direction
%w[asc desc].include?(params[:direction]) ? params[:direction] : "asc"
end
end
t_sdf.rb:
class TSdf < ActiveRecord::Base
# attr_accessible :title, :body
self.table_name = 'T_SDF'
def self.search(search,search1)
if search && search1
#where('Created_On LIKE ?', "%#{search}%")
where("Created_On >= ? AND Created_On <= ?", search, search1 )
else
scoped
end
end
end
Please help me to add this notification as per the requirement.

Answer 1

Try this:
<% if #sdf.blank? %>
<p>No record found in between these two date.</p>
<% else %>
<table class="table table-bordered">
....
<thead>
....
</thead>
<tbody>
<% #sdf.each do |sdf| %>
....
<% end %>
</tbody>
</table>
<%= will_paginate #sdf %>
<% end %>