diff --git a/app/Views/Invoice/case_list_all.php b/app/Views/Invoice/case_list_all.php
index e303b97..21cb65d 100644
--- a/app/Views/Invoice/case_list_all.php
+++ b/app/Views/Invoice/case_list_all.php
@@ -92,13 +92,22 @@
   </div>
 <!-- /.content -->
 <script type="text/javascript" language="javascript" >
-			$(document).ready(function() {
+			(function() {
 				if (!$.fn || !$.fn.DataTable) {
 					$('#datatable-missing').removeClass('d-none');
 					return;
 				}
 
-				var dataTable = $('#employee-grid').DataTable( {
+				var $table = $('#employee-grid');
+				if ($table.length === 0) {
+					return;
+				}
+
+				if ($.fn.DataTable.isDataTable($table)) {
+					$table.DataTable().destroy();
+				}
+
+				var dataTable = $table.DataTable( {
 					"order": [[ 0, "desc" ]],
 					"processing": true,
 					"serverSide": true,
@@ -155,20 +164,20 @@
 				//	dataTable.columns(i).search(v).draw();
 				//} );
 								
-				$( ".search-input-select" ).change(function() {
+				$( ".search-input-select" ).off('change.caseListAll').on('change.caseListAll', function() {
 				  var i =$(this).attr('data-column');  
 					var v =$(this).val();
 					dataTable.columns(i).search(v).draw();
 				});
 				
-				$('input[type=text').on('input', function(){
+				$('input[type=text').off('input.caseListAll').on('input.caseListAll', function(){
 					var i =$(this).attr('data-column');  
 					var v =$(this).val(); 
 					dataTable.columns(i).search(v).draw();
 					
 				});
 				
-				$('#payModal').on('shown.bs.modal', function (event) {
+				$('#payModal').off('shown.bs.modal.caseListAll').on('shown.bs.modal.caseListAll', function (event) {
 						
 						var button = $(event.relatedTarget); // Button that triggered the modal
 						var invid = button.data('caseid');
@@ -176,7 +185,7 @@
 						load_form_div('<?= base_url('Orgcase/load_model_box') ?>/'+invid,'payModal-bodyc');
 					})
 							
-				});
+				})();
 				
 				
 		
diff --git a/app/Views/Invoice/charges_invoice_list.php b/app/Views/Invoice/charges_invoice_list.php
index c474ada..ceafff2 100644
--- a/app/Views/Invoice/charges_invoice_list.php
+++ b/app/Views/Invoice/charges_invoice_list.php
@@ -60,7 +60,16 @@ function chargesInvoiceSearch() {
 
 (function() {
     if (window.jQuery && $.fn && $.fn.DataTable) {
-        $('#chargesInvoiceTable').DataTable({
+        var $table = $('#chargesInvoiceTable');
+        if ($table.length === 0) {
+            return;
+        }
+
+        if ($.fn.DataTable.isDataTable($table)) {
+            $table.DataTable().destroy();
+        }
+
+        $table.DataTable({
             pageLength: 25,
             order: [[0, 'desc']]
         });
diff --git a/app/Views/Invoice/opd_invoice_list.php b/app/Views/Invoice/opd_invoice_list.php
index e1724d5..3e751c9 100644
--- a/app/Views/Invoice/opd_invoice_list.php
+++ b/app/Views/Invoice/opd_invoice_list.php
@@ -60,7 +60,16 @@ function opdInvoiceSearch() {
 
 (function() {
     if (window.jQuery && $.fn && $.fn.DataTable) {
-        $('#opdInvoiceTable').DataTable({
+        var $table = $('#opdInvoiceTable');
+        if ($table.length === 0) {
+            return;
+        }
+
+        if ($.fn.DataTable.isDataTable($table)) {
+            $table.DataTable().destroy();
+        }
+
+        $table.DataTable({
             pageLength: 25,
             order: [[0, 'desc']]
         });
diff --git a/app/Views/Invoice/payment_request_list.php b/app/Views/Invoice/payment_request_list.php
index a10862f..4d9aab9 100644
--- a/app/Views/Invoice/payment_request_list.php
+++ b/app/Views/Invoice/payment_request_list.php
@@ -64,13 +64,22 @@
     </div>
 </div>
 <script type="text/javascript" language="javascript">
-    $(document).ready(function() {
+    (function() {
         if (!$.fn || !$.fn.DataTable) {
             $('#datatable-missing').removeClass('d-none');
             return;
         }
 
-        var dataTable = $('#employee-grid').DataTable({
+        var $table = $('#employee-grid');
+        if ($table.length === 0) {
+            return;
+        }
+
+        if ($.fn.DataTable.isDataTable($table)) {
+            $table.DataTable().destroy();
+        }
+
+        var dataTable = $table.DataTable({
             "order": [[0, "desc"]],
             "processing": true,
             "serverSide": true,
@@ -112,16 +121,16 @@
         $("#employee-grid_paginate").show();
         $("#employee-grid_info").show();
 
-        $(".search-input-select").change(function() {
+        $(".search-input-select").off('change.listReqPayment').on('change.listReqPayment', function() {
             var i = $(this).attr('data-column');
             var v = $(this).val();
             dataTable.columns(i).search(v).draw();
         });
 
-        $('input[data-column]').on('input', function() {
+        $('input[data-column]').off('input.listReqPayment').on('input.listReqPayment', function() {
             var i = $(this).attr('data-column');
             var v = $(this).val();
             dataTable.columns(i).search(v).draw();
         });
-    });
+    })();
 </script>
diff --git a/app/Views/Invoice/refund_invoice.php b/app/Views/Invoice/refund_invoice.php
index da1a846..2586722 100644
--- a/app/Views/Invoice/refund_invoice.php
+++ b/app/Views/Invoice/refund_invoice.php
@@ -66,13 +66,22 @@
     </div>
 </div>
 <script type="text/javascript" language="javascript">
-    $(document).ready(function() {
+    (function() {
         if (!$.fn || !$.fn.DataTable) {
             $('#datatable-missing').removeClass('d-none');
             return;
         }
 
-        var dataTable = $('#employee-grid').DataTable({
+        var $table = $('#employee-grid');
+        if ($table.length === 0) {
+            return;
+        }
+
+        if ($.fn.DataTable.isDataTable($table)) {
+            $table.DataTable().destroy();
+        }
+
+        var dataTable = $table.DataTable({
             "order": [[0, "desc"]],
             "processing": true,
             "serverSide": true,
@@ -114,16 +123,16 @@
         $("#employee-grid_paginate").show();
         $("#employee-grid_info").show();
 
-        $(".search-input-select").change(function() {
+        $(".search-input-select").off('change.refundInvoice').on('change.refundInvoice', function() {
             var i = $(this).attr('data-column');
             var v = $(this).val();
             dataTable.columns(i).search(v).draw();
         });
 
-        $('input[data-column]').on('input', function() {
+        $('input[data-column]').off('input.refundInvoice').on('input.refundInvoice', function() {
             var i = $(this).attr('data-column');
             var v = $(this).val();
             dataTable.columns(i).search(v).draw();
         });
-    });
+    })();
 </script>