1.修改维修输入，修改零件位置找不到对应的料号，就不再读物料描述

AMESCoreStudio.Web/Controllers/REPController.cs

@@ -216,6 +216,11 @@ namespace AMESCoreStudio.Web.Controllers
         [HttpPost]
         public async Task<JsonResult> GetMaterialDescJson(string part_no)
         {
+            if (part_no == null)
+            {
+                return Json(new { data = "" });
+            }
+
             var result = await _ppsApi.GetPlmMeterialInfo(part_no);
 
             var item = new List<SelectListItem>();

AMESCoreStudio.Web/Views/REP/REP001R.cshtml

@@ -443,9 +443,15 @@
                     success: function (result)
                     {
                         console.info(result.data);
+                        var count = 0;
                         $.each(result.data, function (index, item) {
                             $("#txtPartNo").val(item.text);
+                            count = 1;
                         });
+                        if (count == 0)
+                        {
+                            $("#txtPartNo").val("");
+                        }
                     },
                     error: function (result)
                     {

AMESCoreStudio.Web/Views/REP/REP002R.cshtml

@@ -398,9 +398,13 @@
                     success: function (result)
                     {
                         console.info(result.data);
+                        var count = 0;
                         $.each(result.data, function (index, item) {
                             $("#txtPartNo").val(item.text);
                         });
+                        if (count == 0) {
+                            $("#txtPartNo").val("");
+                        }
                     },
                     error: function (result)
                     {