C#删除目录和目录下的所有文件

/// <summary>

///

/// </summary>

/// <param name="Fid"></param>

/// <param name="fname"></param>

/// <param name="FPath"></param>

/// <param name="IsDel"></param>

public void RemoteDownData(string Fid,string fname,string FPath,bool IsDel)

{

DirectoryInfo Dir = new DirectoryInfo(FPath);

if(!Dir.Exists)

Dir.Create();

else

{

if(IsDel)

{

foreach(FileInfo file in Dir.GetFiles())

{

file.Delete();

}

}

}

PbaseUpdate Pbase = new PbaseUpdate();

DataTable DtCode =Pbase.GetDatetable(null,"select FCODE,FID from DNC_PRODUCTPROGRAM_CODE where fid='"+Fid+"'");

if(DtCode.Rows.Count<=0)return;

byte[] buffer=(byte[])DtCode.Rows[0][0];

FPath = FPath + fname;

FileStream Fs = File.OpenWrite(FPath);

Fs.Write(buffer,0,buffer.Length);

Fs.Close();

DtCode.Dispose();

}

/// <summary>

///

/// </summary>

/// <param name="FPath"></param>

public bool RemoteDelDir(string FPath)

{

FileInfo RFile = new FileInfo(FPath);

if( RFile.Exists)

{

return SigleFileDel(FPath);

}

else

{

DirectoryInfo Dir = new DirectoryInfo(FPath);

if(!Dir.Exists)return false;

if(Dir.GetFiles().Length <= 0)

{

Dir.Delete();

return true;

}

else

{

foreach(FileInfo file in Dir.GetFiles())

{

string FilePath = file.FullName;

if(!SigleFileDel(FilePath))

return false;

}

Dir.Delete();

return true;

}

}

}

private bool SigleFileDel(string FilePath)

{

FileInfo file = new FileInfo(FilePath);

if(file.Exists)

{

file.Delete();

return true;

}

else

{

return false;

}

}

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