[ASK] cara generate last code from table /data grid view

[Linuxmania]

gan.. ane need help nh..

mw insert data tapi kn mesti generate new code misalnya

row sebelumnya id nya F001

nah pas klik insert dy auto generate jadi F002..

gmn caranya ya??

ane dah dpt codign tp eror gini gk as di klik insert

ane pake bahasa C#..

http://cdn-u.kaskus.us/46/5nirczl6.png



//generate new ID

String newcode = "";

string lastid = TabelBuku.Rows[TabelBuku.Rows.Count - 1].Cells[0].Value.ToString();

string newid = "KP";

int id = int.Parse(lastid.Substring(1, 3));

id++;



if (id < 9)

{

newid += "00" + id.ToString();

}

else if (id < 99)

{

newid += "0" + id.ToString();

}

else

{

newid += id.ToString();

}



///////////////////////////////////

newcode = newid;

KodeBuku.Text = newcode;





yg tulisan tabel karyawan ntu maksudnya data grid view yg ane rename gan..

o iy yg ini >> int id = int.Parse(lastid.Substring(1, 3));