Friday, October 14, 2011

Extension method for conversion generics List to datatable

Hello guys,

In this article i have posted extension method for conversion generics List to datatable i have used in one of my business logic.



public static class Cls
    {
        public static DataTable ToDataTable<T>(this IList<T> data)
        {
            PropertyDescriptorCollection props =
                TypeDescriptor.GetProperties(typeof (T));
            var table = new DataTable();
            for (int i = 0; i < props.Count; i++)
            {
                PropertyDescriptor prop = props[i];
                table.Columns.Add(prop.Name, prop.PropertyType);
            }
            var values = new object[props.Count];
            foreach (T item in data)
            {
                for (int i = 0; i < values.Length; i++)
                {
                    values[i] = props[i].GetValue(item);
                }
                table.Rows.Add(values);
            }
            return table;
        }
    }
In ths code we PropertyDescriptorCollection class for geberic description.

we can also this task with the help of reflection but i have work this code only once so i don't bother more.


Thanks
  - Rahul

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