diff --git a/AMESCoreStudio.WebApi/Controllers/AMES/BarcodeInfoesController.cs b/AMESCoreStudio.WebApi/Controllers/AMES/BarcodeInfoesController.cs
index cbe0b166..744f2ec4 100644
--- a/AMESCoreStudio.WebApi/Controllers/AMES/BarcodeInfoesController.cs
+++ b/AMESCoreStudio.WebApi/Controllers/AMES/BarcodeInfoesController.cs
@@ -80,7 +80,7 @@ namespace AMESCoreStudio.WebApi.Controllers.AMES
         {
 
             IQueryable<BarcodeInfo> q = _context.BarcodeInfoes;
-            q = q.Where(p => p.BarcodeNo.Equals(id));
+            q = q.Where(p => p.BarcodeNo.ToUpper().Trim().Equals(id.ToUpper().Trim()));
             var barcodeInfo = await q.ToListAsync();
 
             if (barcodeInfo == null)
@@ -177,7 +177,7 @@ namespace AMESCoreStudio.WebApi.Controllers.AMES
         public async Task<ActionResult<IEnumerable<BarcodeInfo>>> GetBarcodeInfoesByExtraNo(string extraNo)
         {
             IQueryable<BarcodeInfo> q = _context.BarcodeInfoes;
-            q = q.Where(p => p.ExtraBarcodeNo == extraNo);
+            q = q.Where(p => p.ExtraBarcodeNo.ToUpper().Trim() == extraNo.ToUpper().Trim());
             var barcodeInfo = await q.ToListAsync();
             return barcodeInfo;
         }
@@ -192,7 +192,7 @@ namespace AMESCoreStudio.WebApi.Controllers.AMES
         public async Task<ActionResult<IEnumerable<BarcodeInfo>>> GetBarcodeInfoesByBoxNo(string boxNo)
         {
             IQueryable<BarcodeInfo> q = _context.BarcodeInfoes;
-            q = q.Where(p => p.BoxNo == boxNo);
+            q = q.Where(p => p.BoxNo.ToUpper().Trim() == boxNo.ToUpper().Trim());
             var barcodeInfo = await q.ToListAsync();
 
             if (barcodeInfo == null)