数据读写逻辑修改

UserClass/SQLDATA.cs

@@ -49,7 +49,6 @@ namespace DyeingComputer.UserClass
         {
             SQLiteHelpers = new SQLiteHelper(DBAddress); //数据库连接路径
             SQLiteHelpers.Open();  //打开数据库
-            DataTable data_t = WorkOrderStep_.Clone(); 
             int a = WorkOrderStep_.Rows.Count;
             if (a < 1)
             {
@@ -64,12 +63,8 @@ namespace DyeingComputer.UserClass
                 return false;
             }
             for (int i = 0; i < a; i++)
-            {
-                data_t.Clear();//清空
-                DataRow dr = data_t.NewRow();
-                dr.ItemArray = WorkOrderStep_.Rows[i].ItemArray;
-                data_t.Rows.InsertAt(dr, 0);           
-                SQLiteHelpers.InsertData("WorkorderSteps", SQLiteHelpers.DataTableToDictionary(data_t));//行插入                                                                                
+            {         
+                SQLiteHelpers.InsertData("WorkorderSteps", SQLiteHelpers.ToDictionary(WorkOrderStep_.Rows[i]));//行插入                                                                                
             }
             SQLiteHelpers.Close();  //关闭连接
             return true;
@@ -86,22 +81,10 @@ namespace DyeingComputer.UserClass
             MainWindowViewModel.ProgramName = SQLiteHelpers.ExecuteScalar("select ProgramName from Workorder where  ProgramID = '" + workName + "'", null).ToString();
 
             SQLiteHelpers.Delete("RUN", null, null); //删除run信息
-            DataTable data_t = new DataTable();
-            data_t = MainWindowViewModel.dt_TP.Clone();
-            data_t.Columns.Add("DYELOT", typeof(string)); //添加列   
             int a = MainWindowViewModel.dt_TP.Rows.Count;
             for (int i = 0; i < a; i++)
             {
-                data_t.Clear();//清空
-                DataRow dt = MainWindowViewModel.dt_TP.Rows[i];//行转
-                DataRow dr = data_t.NewRow();
-                dr.ItemArray = dt.ItemArray;
-                dr.BeginEdit(); //添加订单号
-                dr["DYELOT"] = MainWindowViewModel.WorkNumder;
-                dr.EndEdit();
-                data_t.Rows.InsertAt(dr, 0); //行转换
-
-                r = SQLiteHelpers.InsertData("RUN", SQLiteHelpers.DataTableToDictionary(data_t));//行插入                                                                                
+                SQLiteHelpers.InsertData("RUN", SQLiteHelpers.ToDictionary(MainWindowViewModel.dt_TP.Rows[i]));//行插入                                                                                
             }
             //数据插入
             MainWindowViewModel.WorkNumder = SQLiteHelpers.ExecuteDataSet("select WorkOrder from Workorder where  ProgramID = '" + workName + "'", null);;
@@ -141,7 +124,6 @@ namespace DyeingComputer.UserClass
                 }
                 DyelotTable.Rows.Add(newRow);
             }
-            DataTable data_t = DyelotTable.Clone();
             int a = DyelotTable.Rows.Count;
             if (a < 1) return false;
             string Dyelot = DyelotTable.Rows[0][0].ToString();
@@ -155,11 +137,7 @@ namespace DyeingComputer.UserClass
             }
             for (int i = 0; i < a; i++)
             {
-                data_t.Clear();//清空
-                DataRow dr = data_t.NewRow();
-                dr.ItemArray = DyelotTable.Rows[i].ItemArray;
-                data_t.Rows.InsertAt(dr, 0);
-                SQLiteHelpers.InsertData("Dyelot", SQLiteHelpers.DataTableToDictionary(data_t));//行插入                                                                                
+                SQLiteHelpers.InsertData("Dyelot", SQLiteHelpers.ToDictionary(DyelotTable.Rows[i]));//行插入                                                                                
             }
             SQLiteHelpers.Close();  //关闭连接
             return true;

UserClass/SqliteHelper.cs

@@ -680,6 +680,23 @@ namespace DyeingComputer.UserClass
                 return result;
             }
 
+            /// <summary>
+            /// 将DataRow转换为Dictionary&lt;string, object&gt;
+            /// </summary>
+            /// <param name="row">DataRow实例</param>
+            /// <returns>键为列名、值为对应数据的字典</returns>
+            public Dictionary<string, object> ToDictionary(DataRow row)
+            {
+                var dictionary = new Dictionary<string, object>(StringComparer.OrdinalIgnoreCase);
+                if (row == null) return dictionary;
+
+                foreach (DataColumn column in row.Table.Columns)
+                {
+                    object value = row[column] == DBNull.Value ? null : row[column];
+                    dictionary[column.ColumnName] = value;
+                }
+                return dictionary;
+            }
         }
         #endregion
     }