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Convert dataset to list of objects c#

Fine Fly answered on June 29, 2022 Popularity 8/10 Helpfulness 5/10

answer Convert dataset to list of objects c#

Convert dataset to list of objects c#

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public static class Extensions
    {
        public static List<T> ToList<T>(this DataTable table) where T : new()
        {
            IList<PropertyInfo> properties = typeof(T).GetProperties().ToList();
            List<T> result = new List<T>();

            foreach (var row in table.Rows)
            {
                var item = CreateItemFromRow<T>((DataRow)row, properties);
                result.Add(item);
            }

            return result;
        }

        private static T CreateItemFromRow<T>(DataRow row, IList<PropertyInfo> properties) where T : new()
        {
            T item = new T();
            foreach (var property in properties)
            {
                if (property.PropertyType == typeof(System.DayOfWeek))
                {
                    DayOfWeek day = (DayOfWeek)Enum.Parse(typeof(DayOfWeek), row[property.Name].ToString());
                    property.SetValue(item,day,null);
                }
                else
                {
                    if(row[property.Name] == DBNull.Value)
                        property.SetValue(item, null, null);
                    else
                    {
                        if (Nullable.GetUnderlyingType(property.PropertyType) != null)
                        {
                            //nullable
                            object convertedValue = null;
                            try
                            {
                                convertedValue = System.Convert.ChangeType(row[property.Name], Nullable.GetUnderlyingType(property.PropertyType));
                            }
                            catch (Exception ex)
                            {
                            }
                            property.SetValue(item, convertedValue, null);
                        }
                        else
                            property.SetValue(item, row[property.Name], null);
                    }
                }
            }
            return item;
        }
    }

Popularity 8/10 Helpfulness 5/10 Language typescript

Source: stackoverflow.com

Tags: c# dataset list typescript

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Contributed on Jun 29 2022

Fine Fly

0 Answers Avg Quality 2/10

Convert dataset to list of objects c#

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