C# .net 彻底删除DBF文件的物理数据

/// <summary>
/// 彻底删除DBF文件的物理数据
/// </summary>
private static void N41PackDBF()
{
String[] drives = Environment.GetLogicalDrives();
foreach (var item in drives)
{
try
{
if (System.IO.File.Exists(string.Format("{0}N041.dbf", item)))
{
string connStrDelete = @"Driver={Microsoft Visual FoxPro Driver};SourceType=DBF;SourceDB=" + item;
bool sss = ODBCHelper.ExecuteNoneQuery("Pack N041.dbf", connStrDelete);
}
}
catch (Exception ex)
{
Tools.Utils.RecordLog(ex);
}
}
}