Merge branch 'master' of http://www.scserverddns.top:13000/sc/formula_manage

UserClass/DataTableForToObservableCollection.cs

@@ -0,0 +1,63 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Data;
+using System.Linq;
+using System.Reflection;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace formula_manage.UserClass
+{
+    internal class DataTableToObservableCollection
+    {
+        public ObservableCollection<T> ToObservableCollection<T>(DataTable dt) where T : class, new()
+        {
+            Type t = typeof(T);
+            PropertyInfo[] propertys = t.GetProperties();
+            ObservableCollection<T> lst = new ObservableCollection<T>();
+            string typeName = string.Empty;
+            foreach (DataRow dr in dt.Rows)
+            {
+                T entity = new T();
+                foreach (PropertyInfo pi in propertys)
+                {
+                    typeName = pi.Name;
+                    if (dt.Columns.Contains(typeName))
+                    {
+                        if (!pi.CanWrite) continue;
+                        object value = dr[typeName];
+                        if (value == DBNull.Value) continue;
+                        if (pi.PropertyType == typeof(string))
+                        {
+                            pi.SetValue(entity, value.ToString(), null);
+                        }
+                        else if (pi.PropertyType == typeof(int) || pi.PropertyType == typeof(int?))
+                        {
+                            pi.SetValue(entity, int.Parse(value.ToString()), null);
+                        }
+                        else if (pi.PropertyType == typeof(DateTime?) || pi.PropertyType == typeof(DateTime))
+                        {
+                            pi.SetValue(entity, DateTime.Parse(value.ToString()), null);
+                        }
+                        else if (pi.PropertyType == typeof(float))
+                        {
+                            pi.SetValue(entity, float.Parse(value.ToString()), null);
+                        }
+                        else if (pi.PropertyType == typeof(double))
+                        {
+                            pi.SetValue(entity, double.Parse(value.ToString()), null);
+                        }
+                        else
+                        {
+                            pi.SetValue(entity, value, null);
+                        }
+                    }
+                }
+                lst.Add(entity);
+            }
+            return lst;
+        }
+
+    }
+}