Exemplo n.º 1
0
 /// <summary>
 /// 按对象属性为DataTable创建列
 /// </summary>
 /// <param name="o">对象</param>
 /// <param name="dt">DataTable</param>
 /// <param name="actionType">当前操作</param>
 public static void AddColumns4Obj(object o, DataTable dt, Types.ActionType actionType)
 {
     foreach (PropertyInfo pi in o.GetType().GetProperties())
     {
         ColumnNameAttribute[] cns = null;
         if ((cns = (ColumnNameAttribute[])pi.GetCustomAttributes(typeof(ColumnNameAttribute), false)).Length > 0)
         {
             foreach (ColumnNameAttribute cn in cns)
             {
                 if (actionType == (actionType & cn.Action) && !dt.Columns.Contains(cn.ToString()))
                 {
                     dt.Columns.Add(cn.ToString(), pi.PropertyType == typeof(bool) ? typeof(int) : pi.PropertyType);
                     break;
                 }
             }
         }
     }
 }
Exemplo n.º 2
0
 /// <summary>
 /// 获取属性对应的数据库字段名称
 /// </summary>
 /// <param name="type">属性所在的类的类型</param>
 /// <param name="propertyName">属性名称</param>
 /// <param name="actionType">当前操作</param>
 /// <returns></returns>
 public static string GetColName4Pro(Type type, string propertyName, Types.ActionType actionType)
 {
     PropertyInfo pi = type.GetProperty(propertyName);
     ColumnNameAttribute[] cns = null;
     if ((cns = (ColumnNameAttribute[])pi.GetCustomAttributes(typeof(ColumnNameAttribute), false)).Length == 0)
     {
         return string.Empty;
     }
     foreach (ColumnNameAttribute cn in cns)
     {
         if (actionType == (cn.Action & actionType))
         {
             return cn.ToString();
         }
     }
     return string.Empty;
 }
Exemplo n.º 3
0
 /// <summary>
 /// 对象值更新到DataRow中
 /// </summary>
 /// <param name="o">对象</param>
 /// <param name="dr">DataRow</param>
 /// <param name="actionType">当前操作</param>
 public static void Obj2DataRow(object o, DataRow dr, Types.ActionType actionType)
 {
     foreach (PropertyInfo pi in o.GetType().GetProperties())
     {
         ColumnNameAttribute[] cns = null;
         if ((cns = (ColumnNameAttribute[])pi.GetCustomAttributes(typeof(ColumnNameAttribute), false)).Length > 0)
         {
             foreach (ColumnNameAttribute cn in cns)
             {
                 if (actionType == (actionType & cn.Action))
                 {
                     dr[cn.ToString()] = pi.GetValue(o, null);
                     break;
                 }
             }
         }
     }
 }
Exemplo n.º 4
0
 /// <summary>
 /// 获取属性对应的数据库字段名称
 /// </summary>
 /// <param name="o">对象</param>
 /// <param name="propertyName">属性名称</param>
 /// <param name="actionType">当前操作</param>
 /// <returns></returns>
 public static string GetColName4Pro(object o, string propertyName, Types.ActionType actionType)
 {
     return GetColName4Pro(o.GetType(), propertyName, actionType);
 }