查询页面相关的信息

QueryPage.xaml.cs

@@ -20,13 +20,8 @@ public partial class QueryPage : ContentPage
             ResultEntry.Text = scannedValue;       
         });
 
-        Dictionary<string, object> QueryDictionary = new Dictionary<string, object>();
-        QueryDictionary.Add("Command", "Query");
-        QueryDictionary.Add("StartTime", StartTime.Date.ToString()!);
-        DateTime EndTime_ = (DateTime)EndTime.Date!;
-        QueryDictionary.Add("EndTime", EndTime_.AddDays(1).ToString());
-        Query_Command(QueryDictionary.ToJsonString());
-               
+        Query_data();
+
         CardCollectionView.ItemsSource = DyelotItems;
     }
     private async void OnScanButtonClicked(object sender, EventArgs e)
@@ -61,7 +56,12 @@ public partial class QueryPage : ContentPage
                 {
                     DyelotItems.Add(item);
                 }
-            }
+
+                if (data.Count == 0)
+                {//如果无信息添加空白行
+                    DyelotItems.Add(new DyelotItem { });
+                }
+            }            
         }
         catch (Exception ex) {
         }
@@ -92,14 +92,36 @@ public partial class QueryPage : ContentPage
     }
 
     private void Button_Clicked(object sender, EventArgs e)
+    {
+        if (ResultEntry.Text != null)
+        {
+            Dictionary<string, object> QueryDictionary = new Dictionary<string, object>();
+            QueryDictionary.Add("Command", "QueryDyelot");
+            QueryDictionary.Add("Field", "[Dyelot],[ReDye],[Program],[Color],[CreationTime]," +
+                "[Batch],[OrderNo],[TotalWeight],[LiquidRatio],[TotalVolume],[Final],[UserAccount]," +
+                "[FabricName],[ColorName],[CustomerName],[Notes]");
+            QueryDictionary.Add("DyelotName", ResultEntry.Text);
+            Query_Command(QueryDictionary.ToJsonString());
+        }
+        else
+        {
+            Query_data();
+        }
+    }
+
+    private void Query_data()
     {
         Dictionary<string, object> QueryDictionary = new Dictionary<string, object>();
         QueryDictionary.Add("Command", "Query");
+        QueryDictionary.Add("Field", "[Dyelot],[ReDye],[Program],[Color],[CreationTime]," +
+            "[Batch],[OrderNo],[TotalWeight],[LiquidRatio],[TotalVolume],[Final],[UserAccount]," +
+            "[FabricName],[ColorName],[CustomerName],[Notes]");
         QueryDictionary.Add("StartTime", StartTime.Date.ToString()!);
         DateTime EndTime_ = (DateTime)EndTime.Date!;
         QueryDictionary.Add("EndTime", EndTime_.AddDays(1).ToString());
         Query_Command(QueryDictionary.ToJsonString());
     }
+
     // 处理“回车/完成”按钮点击
     /* private void OnEntryCompleted()
      {