convert SqlDataReader to DataTable

public static DataTable ConvertDataReaderToDataTable(SqlDataReader reader)
{
    try
    {
        DataTable objDataTable = new DataTable();
        int intFieldCount = reader.FieldCount;
        for (int intCounter = 0; intCounter < intFieldCount; ++intCounter)
        {
            objDataTable.Columns.Add(reader.GetName(intCounter), reader.GetFieldType(intCounter));
        }
        objDataTable.BeginLoadData();

        object[] objValues = new object[intFieldCount];
        while (reader.Read())
        {
            reader.GetValues(objValues);
            objDataTable.LoadDataRow(objValues, true);
        }
        reader.Close();
        objDataTable.EndLoadData();

        return objDataTable;
    }
    catch (Exception ex)
    {
        throw new Exception("Convert Error!", ex);
    }
}