diff --git a/app/Controllers/Sales.php b/app/Controllers/Sales.php
index a5f7f21..4ae3f5a 100755
--- a/app/Controllers/Sales.php
+++ b/app/Controllers/Sales.php
@@ -527,7 +527,7 @@ class Sales extends BaseController
                                 ->join('manufacturer', 'manufacturer.manufacturer_id = products.manufacturer_id')
                                 ->where('JSON_CONTAINS(make_id, \'' . $encodedMakeId . '\')', null, false)
                                 ->where('JSON_CONTAINS(models_id, \'' . $encodedModelId . '\')', null, false)
-                                // ->where('qty_stock >',0)
+                                ->where('qty_stock >',0)
                                 ->where('products.isactive', 1)
                                 ->findAll();
     
@@ -539,7 +539,7 @@ class Sales extends BaseController
                                 ->join('manufacturer', 'manufacturer.manufacturer_id = products.manufacturer_id')
                                 ->where('JSON_CONTAINS(make_id, \'' . $encodedMakeId . '\')', null, false)
                                 ->where('JSON_CONTAINS(models_id, \'' . $encodedModelId . '\')', null, false)
-                                // ->where('qty_stock >',0)
+                                ->where('qty_stock >',0)
                                 ->where('products.isactive', 1)
                                 ->findAll();
                                 
diff --git a/app/Views/sales_order_form.php b/app/Views/sales_order_form.php
index e339e5c..ee5ab01 100755
--- a/app/Views/sales_order_form.php
+++ b/app/Views/sales_order_form.php
@@ -210,7 +210,7 @@
                                         <td style="width:10%;">
                                             <input type="number" class="form-control item-quantity" name="quantity[]"
                                                 min="0"
-                                                value="<?= isset($salechild['qty']) ? $salechild['qty'] : '1' ?>" onchange="updateThirdColumnValue(this); updateTaxAmount(this)">
+                                                value="<?= isset($salechild['qty']) ? $salechild['qty'] : '1' ?>" onchange="updateThirdColumnValue(this); updateTaxAmount(this)" onkeydown="return false;">
                                         </td>
                                         <td style="width:14%;">
                                             <?php if (isset($salechild['net_price']) && isset($salechild['qty'])) {
@@ -730,7 +730,7 @@ $(document).ready(function() {
             }
             newRow += '</select></td>' +
                 '<td style="width:12%;"><input type="text" class="form-control item-rate" name="unit-price[]" readonly /></td>' +
-                '<td style="width:10%;"><input type="number" class="form-control item-quantity" min="0" max="" name="quantity[]" onchange="updateThirdColumnValue(this); updateTaxAmount(this)" /></td>' +
+                '<td style="width:10%;"><input type="number" class="form-control item-quantity" min="0" max="" name="quantity[]" onchange="updateThirdColumnValue(this); updateTaxAmount(this)" onkeydown="return false;" /></td>' +
                 '<td style="width:14%;"><input type="text" class="form-control item-result"  readonly /></td>' +
                 '<td style="width:8%;"><input type="text" class="form-control item-tax" name="item-tax[]" readonly  /></td>' +
                 '<td style="width:13%;"><input type="text" class="form-control tax-amount" name="tax-amount[]" readonly  /></td>' +