diff --git a/application/controllers/emergencypurchaseorder.php b/application/controllers/emergencypurchaseorder.php
index 93a50c9f..3ce50da8 100644
--- a/application/controllers/emergencypurchaseorder.php
+++ b/application/controllers/emergencypurchaseorder.php
@@ -529,12 +529,14 @@ $prefile =array();
                     if($index == 1){ 
                     $filename = $value;
                     }
-                }   
-            
+                } 
+                  
+             if(!empty($filename))
+                {
               
              $myfile = array('FilePath'=>$filename,'PONO'=>$PONO); 
              $this->purchaseorder_model->fileupload($myfile);
-             
+             }
                 
         
             }
diff --git a/application/controllers/purchaseorder.php b/application/controllers/purchaseorder.php
index 22c4b9e8..d17a4605 100644
--- a/application/controllers/purchaseorder.php
+++ b/application/controllers/purchaseorder.php
@@ -4190,9 +4190,12 @@ $fcount = 0;
   
   if($fcount == 0)
   {
-   $Picture = $this->adfile();
-   $filelist =array('PONO'=>$pono,'IGRNO'=>$igr,'FilePath'=>$Picture);
-   $uploadfiles = $this->purchaseorder_model->insertfile($filelist);
+      
+            if(!empty($new_file_name))
+                 {   $Picture = $this->adfile();
+                     $filelist =array('PONO'=>$pono,'IGRNO'=>$igr,'FilePath'=>$Picture);
+                     $uploadfiles = $this->purchaseorder_model->insertfile($filelist);
+                 }
   }
 
  if($uploadfiles > 0){
@@ -4200,7 +4203,7 @@ $fcount = 0;
     }
     else
     {
-      echo "File name already Exist";
+      echo " File name already Exist";
     }
   
  }
diff --git a/application/controllers/servicepurchaseorder.php b/application/controllers/servicepurchaseorder.php
index b7c18806..53af4688 100644
--- a/application/controllers/servicepurchaseorder.php
+++ b/application/controllers/servicepurchaseorder.php
@@ -662,7 +662,6 @@ function uploadfile()
 
   $pono= $this->input->post('PONO');
 
- 
 
   $new_file_name =$_FILES['file']['name'];
  
@@ -688,16 +687,22 @@ $upfile='';
   
   if($fcount == 0)
   {
-   $Picture = $this->adfile();
-   
-  $filelist =array('PONO'=>$pono,'FilePath'=>$Picture);
-   $upfile = $this->purchaseorder_model->insertfile($filelist);
+       
+               if(!empty($new_file_name))
+                {
+                	$Picture = $this->adfile();
+                      $filelist =array('PONO'=>$pono,'FilePath'=>$Picture);
+                     $upfile = $this->purchaseorder_model->insertfile($filelist);
+                }
+
   }
+
     if($upfile > 0){
      echo "file updated successfully!";
     }
     else{
       echo "File name already Exist";
+
    }
  }
 
diff --git a/application/views/EditservicePurchaseorder.php b/application/views/EditservicePurchaseorder.php
index f574d683..469f3d73 100755
--- a/application/views/EditservicePurchaseorder.php
+++ b/application/views/EditservicePurchaseorder.php
@@ -3894,8 +3894,11 @@ function addRow()
 //alert();
 
 var file = $('#images').val();
+ //alert(file);
+// return false;
 
-    if (file=='') 
+    if (file == '' || file == undefined)
+    	
     {
         alert('File not found');
        
diff --git a/application/views/editRevenuepurchaseorder.php b/application/views/editRevenuepurchaseorder.php
index 86e1cc56..68242237 100644
--- a/application/views/editRevenuepurchaseorder.php
+++ b/application/views/editRevenuepurchaseorder.php
@@ -5827,7 +5827,7 @@ else{
 		//var file = $('#imag').val();
 
 		var file = $('#images').val();
-		if (file=='')
+	    if (file == '' || file == undefined)
 		{
 		alert('File not found');
 		
diff --git a/system/libraries/Upload.php b/system/libraries/Upload.php
index 4b4eca5d..d8337ec7 100755
--- a/system/libraries/Upload.php
+++ b/system/libraries/Upload.php
@@ -102,7 +102,7 @@ class CI_Upload {
 							'image_size_str'	=> '',
 							'error_msg'			=> array(),
 							'mimes'				=> array(),
-							'remove_spaces'		=> TRUE,
+							'remove_spaces'		=> FALSE,
 							'xss_clean'			=> FALSE,
 							'temp_prefix'		=> "temp_file_",
 							'client_name'		=> ''