How to convert list to datatable using extension method

Problem

error mismatch count parameter when convert list to datatable

my list as below

my list output of itemcode as below "1830","950","902","540"

How to convert list of string to datatable

static List<string> SimilarItems = new List<string>();
Similar = ConvertToString(dt.Rows[i]["ItemCode"]);
SimilarItems.Add(Similar);
dtcollectlistdata = Extensions.ToDataTable(SimilarItems);
public static DataTable ToDataTable(List items)
{
DataTable dataTable = new DataTable(typeof(T).Name);
//Get all the properties
PropertyInfo[] Props = typeof(T).GetProperties(BindingFlags.Public | BindingFlags.Instance);
foreach (PropertyInfo prop in Props)
{
//Setting column names as Property names
dataTable.Columns.Add(prop.Name);
}
foreach (T item in items)
{
var values = new object[Props.Length];
for (int i = 0; i < Props.Length; i++)
{
//inserting property values to datatable rows
values[i] = Props[i].GetValue(item, null);
}
dataTable.Rows.Add(values);
}
return dataTable;
}