convert datatable from string to double with double tryperse

// required
using System.Data;

private DataTable ConvertDataTable<T>(DataTable sourceTable)
{
    DataTable clone = sourceTable.Clone();

    for (int i = 0; i < clone.Columns.Count; i++) clone.Columns[i].DataType = typeof(T);

    foreach (DataRow row in sourceTable.Rows) clone.ImportRow(row);

    return clone;
}

// usage
// private DTAsDouble;
// DTAsDouble = ConvertDataTable<double>(currentStringDataTable);