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  • list转datatable c#

            private DataTable ToDataTable<T>(List<T> items)
            {
                var tb = new DataTable(typeof(T).Name);
    
                PropertyInfo[] props = typeof(T).GetProperties(BindingFlags.Public | BindingFlags.Instance);
    
                foreach (PropertyInfo prop in props)
                {
                    Type t = GetCoreType(prop.PropertyType);
                    tb.Columns.Add(prop.Name, t);
                }
    
                foreach (T item in items)
                {
                    var values = new object[props.Length];
    
                    for (int i = 0; i < props.Length; i++)
                    {
                        values[i] = props[i].GetValue(item, null);
                    }
    
                    tb.Rows.Add(values);
                }
    
                return tb;
            }
            public static bool IsNullable(Type t)
            {
                return !t.IsValueType || (t.IsGenericType && t.GetGenericTypeDefinition() == typeof(Nullable<>));
            }
            public static Type GetCoreType(Type t)
            {
                if (t != null && IsNullable(t))
                {
                    if (!t.IsValueType)
                    {
                        return t;
                    }
                    else
                    {
                        return Nullable.GetUnderlyingType(t);
                    }
                }
                else
                {
                    return t;
                }
            }
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  • 原文地址:https://www.cnblogs.com/ignacio/p/5075857.html
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