Additional Toals - Computerized Sales und Inventory Management System

2.0 Process

5.4 Additional Toals

Successful resigtration of any custorners from the main panel entry is followed up here

n El

, ^Clrrt

Additional tools are

integrated additionally fotr user iaterface a-od b<tping aad make it friendly.they are Notepad.C alculaior-\{ S * ord- Task }{anager,Wordpad Shorcuts ^.

I

c?ryritunsaeatd*nentory

5-S

Bttirs

BilliE

3 &e 6nat panmel whse ^atrarsactioos are fulfilled ts go acd

iutris

ae gwated -

I!

^ttbphase to go for product hansactim,from &e pm&rct pnel

of Hiry

section, follow &is procedureto go for a Success&rl traasacaior-

i*bk

r=- ^:*-.

Eb -

E1 r* ryr&

S&*dtu&

Could

pssible

to fiad out g@erated invoice

&om get data bu*on of

billing

Select

product>Enter Quentity>Adl tB

transaction to the

cart{'lieL rrw !d

insert

tbe

required VAT td lhc-

kkkre

rocording

to the customer.Save atrd

print

receipt

or Invoice

Cntirua n :"r1- S a lis flnfu ^nventory 36

Source Codes

ConVutinzed SaEs gtndltrnlentory

using System;

usiag System.Collections.Generic;

using System.ComponentModel;

usiag Sysem.Data;

usi ⁿg S1'stsm.Drawing;

using System.Lioq;

u5.ing Slstem.Text;

using Spem.Windows.Forms;

using System.Data.SqlClient;

om€space Sales_and lnventory_Systee

pblic partial class frrrCategory : Form SqlDaeReader rdr

:

_null;

DataTable dtable: new DataTable$;

SqlCo*nectioa con

:

null;

SqlCommand cmd: null;

DaraTable

dt:

new DataTable$;

CmnectioaString cs

:

_newConnectionString$;

pblic frmCategory$

Initializdonponeat$;

prrrd€ toid frmCategory_Load(object serder, Eve*tArgs e) bnnSare "Enahled

:

false;

-\mocmplete$:

?rnae toid bm5ave_Click{object sef,d€r. Erenl{rgs e}

f

^tmrCategul'li*ms.]em

:

^..1

VasageBor$bo*r-Pkase ecrer f"magrq

qr-.:' "k-r' \[asiagstxBuue. E

Uesua{EB.crlcu..Errort:

rcCeregrq Stme-Fo:rms',*

rEe-

rs

MessagrBoxlcm-Errsl

utcategoryNm.Text:

"i

fitCa&goryNaae-FocuS;

:a[. ₌91 3!r-tm+lu,< -B] m1g

;cs- lqrem I

rl!.'rtf E = .SEI-^EL-T

:nlryiltmc fu Tj-qry 66 iqlTDrc-

u{.tgrrylir"Text mi= s lqli:rrlrrrril.=:

,mrtf,*ry6=;a

yq-:.=tx Fur-Iqr 1

rr&Ld-m

Itess*gsBffi

qh.,T('CftEq ik Akafi' Fr:it('.'Erru'"

HemgeBox.Bctffi

OI(

C,qtu ri riz;d- Sa lts fln/'lnvnrorlr

rdr.Close0;

I l

return;

con

:

new SqlConnection(cs.DBConn);

con.Open0;

srring

cb:

"INSERT INTO T_Category(CategoryName) VALUES ("'+ txtCategoryName T:.

cmd

:

new SqlCommand(cb);

cmd.Connection: con;

cmd.ExecuteReader0;

con.Close$;

MessageBox.Show("Successfully saved", "Record", MessageBoxButtons. OK.

)' 1

*

:ageB oxlcon.Information) ;

Autocomplete$;

btnSave.Enabled

:

_false;

),]

catch (Exception ex) It

MessageBox.Show(ex.Message, "Error", MessageBoxBufions,OK, MessageBc r.l: :

-

pnvate void btnDelete*Click(object sender, EventArgs e)

t t.

if (MessageBox.Show("Do you really want to delete this record?"' "Confirmai -':-'

\lessageBoxButtons.YesNo, MessageBoxlcon.Question)

::

System.Windo*'s.Ftn:rs

l::

( t-

delete_recordsQ;

) J

private void delete_records0 {

int RowsAffected:0;

con = new SqlConnection(cs.DBConn il con.Open0;

string

cq:

"DELETE ^FROIVI

T

^Categ:

l.

::-: -:

cmd

:

new SqlCommandtcq ^t:

cmd.Connection: con:

RowsAffected

:

cmd.Ere;i::l'

-:

-.-

if(RowsAffected>0'

MessageBor.Si-;';

">-::t.,'- -: -.- ^; -.

^--

MessageBodcon. Inlbm rir : :, .

Resetl.

.{ut,r--'::.::=

e1;;

)'1.'..".5"::-

!:' t''"

:':-::

-\1->::-'3; ^t-- ^--. _-.-:'.-:- j* _.-

I! -\' .

if ⁽con.Sute

:

[66asfl6nSue.Qoen t

try It

,ir

I

ety*irerlsa6s

Rndtnvenary

i

catch (Exception ex)

MessageBox.Show(ex.Message, oError', MessageBoxButtons.Oli MessageBoxlcon.Error);

)

private void AutoccropleteQ

{ try {

con

:

new SqlConnection(cs.DBCona);

con.OpenQ;

SqlCommand cmd: new SqlCommand("SELECT distinct Categoryname FROM T_Category", con);

DataSet ds: new DataSet$;

SqlDataAdapier da

:

new SqlDataAdapter(cmd);

da-Fil(ds, "T_Category');

AutdompleteStringCollection col

:

new AutdompleteStringCollectionQ;

int

i:

^0;

for (i

:0;

_<:

ds.Tables[0].Rows.Count - l; i++)

t

col.Add(ds. Tables[0].Rows[i]["Categoryname"].Tostrirg$];

)

BtCategoryName.AutoCompleteSource

:

AutoCompleteSource.CustomSource;

AtCategoryName.AutoCompleteCustomSource

:

_col;

EtCategoryName.AutoCompleteModo

:

AutoCompleteMode.Suggest;

con.Close$;

cakh

l

@xception ex) {

MessageBox.Show(ex.Message, 'Erroro, MessageBoxButtons.Ol( MessageBoxlcon.Error);

)

private void baUpdate_Click(object sender, EventArgs e)

t

try {

if (ktCategoryName.Text

-

"")

t

MessageBox.Show("Please enter Category name", "Error", MessageBoxButtons.Oll MessageBoxlcon.Brror);

EdCafegoryName.Focus$;

retrn;

)

:

nsw SqlConnectioa(cs.DBConn);

cm-OpenS;

striag cb = 'IIPDATE T_Category set CategoryName='n + txtCategoryName.Text + '' sfug1s ffEn 4

tdD.T€rl+*;

@d:nerSqtCmnd(cb);

sd.Cffiin:ccE

+

cmd-ExocmeReade{;

coa.Cloee$;

MessageBox.Showfsuccessfrlly

qffi _,'Reodl,

MesageBoxButtons.OK,

e

|\dessageBoxlcon.Iafsmatimb Autocomplete.Q;

btnUpdate.Enabled

:

_false;

)

catch (Exception ex)

{

MessageBox.Show(exJvIessage, 'Errorn, MessageBoxButtons.Ol! MessageBoxlcon.Error);

)

Corrgwt{rizd Sa rts And lwentoty

btnSavE.Enabled

:

_true;

btnDelete.Enabled

:

_false;

btnUpdate.Enabled

:

_false;

htCategoryName.FocusQ;

l

private void b{nNes,_Clic(object sender, EventArgs e)

{

ReseCI;

)

private void btnGdllah_Click(object sender, EventArgs e) {

eis-Ilik0;

frEcategoryReeord

frm:

new frmcatE oryR@ordCI frm Show0;

frm-&tDaraS;

l

)

l

uslng System;

using Systen . Collections ^.Generic;

using System. Componentfrodel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Wlndows. Forms;

using System. Data. SqlClient;

namespace 5a les_and_Inventory_System

{

public partial class

frmCategoryRecord

:

^Form

{

SqlDataReader

rdr

nulIj

SqlConnection con = nu1li

SqlCommand cmd

= null;

ConnectionString

cs

₌neh, ConnectionStringO;

public

f rmCategoryRecord ( )

t

InitializeConponent ( ) ;

)

private void

dataGridViexl_RuPostPaint(object sender,

IHtridtl'i*nPostPaintEventArgs

t string strRd.*ep ₌

(e.Rorlndex

+ 1).ToStringO;

SizeF

size

₌e. Graphics. lbasureString(

strRd.-er, lfiis.

Fcrt)

;

if (dat*idViF{ -ndlead€r{idt t

< Convert.Tolnt32((size-l6dth

+

ZO)))

{ datfiili*r -IarlErdcr'flidlf

Csrvert.Tolrrt32((size.Hidth +

20)

);

Brrrdr

l b

₌

Strstc*'uslEs-Ccrtrrlfext;

e-Gralrics-Htriry(sHcfnr, t ris.Ftrt, b,

e.Bo3ounds. Location.X ⁺

15, e.*&rds.Ltratim-Y ⁺ ((e.Mnds-lEiSht - size.lleiglrt) I

^Z1'1;

]

private void

dataGridllisl_IalleaderllouseClick( obj

ect

sender, DataGridl/ieyCellltouseEventArgs e)

{ DataGrid/idor dr

= data6ridVierl.SelectedRos[8] ;

this-Hidef):

Cofigrat{* ed sa 6s Atnf, lnuentory

fnr.

txtcategoryrftame. Text = ^{dr. Cells}[ 1 J . Value. ToString( _]; frm.btnDelete.Enabled =

true;

frn.btnUpdate.Enabled =

true;

fnr ^.txtCategorytlae ^.^Focus( ) ; fr.tr.btnSave.Enabled =

false;

public ) void 6e{Ibtao {

c(rr

= ner

Sqlconnection(cs.DGConn) ; can.OpenO;

String sql =

^'SELECT

*

FROI T_€ategory

order

by CategoryName";

cld

₌

o€r Sqlcmand(sql,

con);

rdr ₌

crd. ExecuteReader(ComandBehavior. CloseConnection)

; dataGridl/isl.

^Roxs^.^Clear( ) ;

*tile

(rdr.ReadO ₌₌

true)

{

data6ridVieul. Rows . Add (rdr[ _{6], rdr}_[1_J₎_;

)

con. Close(

);

]

catch (Exception ex)

{

HessageBox.Show(ex.Flessage,

"Error",

MessageBoxButtons.0K, llessageBoxlcon - Error ₎;

) )

ming System;

usiag System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Dmwing;

using System.Linq;

using System.Text;

using System.Windows.Forms;

using System.Data.SqlClient;

using System.IO;

using System.Security.Cryptography;

4t

try {

private void

frmcategoryRecord_Formclosing(obJect sender, FormClosingEvertAr€F e)

{ this.

^Hide(

);

frmCategory

frm

₌new frmcategoryO;

frm. Show(

);

)

private void

frmCategoryRecord_Load(object sender, EventArgs e) {

GetData ⁽

);

)

S.3Resistration Panel

l.

EFsDCca _{Sales and}loveatorv Sysfim

ConTut{r{zef, Sabsfl nfu rreiltory SqlCoonection con

:

uull;

SqlCommand cmd: null;

DataTable

dt:

new DataTableQ;

ConnectionString cs

:

new ConnectionStringQ;

public frrrRegistration$

{

InitializeComponent();

private void Forrrl Load(object sender, EventArgs e)

{

btnRegister.Enabled

:

false;

AutocompleteQ;

)

private void ResetQ {

fitUsemame,Text: ^n";

cmbUserTSrye.Selectedlndex

:

- ¹; b<tPassword.Text

: _'";

brtContact_no.Text

:

"";

fi.tName.Text: "";

txtEmail_Address.Text

:

^n";

btuRegister.Enabled

:

tme;

btnDelete.Enabled

:

false;

bhupdatc_resodEnabled

:

_frlse;

ktUsername -Focus0;

)

private void NewRecord_Click(object s€,nder, EventArgs e)

{

ReseQ;

)

private void Register_Click(object sender, EvmtArgs e) {

if (b<tUsername.Text

:

^ntr)

{

MessageBox.Show("Please enterusemame", 'Error', MessageBoxButtons.OlL MessaSEBGIc[-Euor}

brtUseruame.Focus$;

retum;

if ) (cmbUserType.Text

:

^nn;

{

MessageBox.Show("Please select user t14le", nError", MessageBoxButtoos.OK" Mes$rlEEcIco-FrE);

cmbUserType.FocusQ;

retum;

l

(htPassword.Text

-

"")

( 1

MessageBox.Show("Please enterpassword', 'Errtrr',

MessagsBorfu.OL

ucstFBflIcm-Error);

EtPassword.FocusQ;

refurn;

)

if (txtName.Text

-

"") {

MessageBox.Show(?lease €[&[

rwrr', 'Erd, Lc*sl3eBorEtr: (X, [email protected]);

atName.FocusQ;

refirn;

)

if (kfContact-ro.Text

: *)

{

MessageBox.Sbos(-Pb.ce

adFolrEl rn.','E[d,

}{essege3oxMos-Oll MessageBofcon.Error);

trilCmtact_aoJoflsQ[

cnyutirizd ^sa6s^enf,n,ettory

brtEmail_Address.FocusQ;

return;

con

:

_newSqlConnection(cs.DBCom);

con.Open();

string

ct:

"SELECT usemame from T_REGISTRAfiON where username:@find";

cmd

:

new SqlCommand(ct);

cmd.Connection: con;

cmd.ParametersAdd(new SqlParameter("@frn{, Systerr.Data.SqlDbType.Nchar, 30, "username");

cmdParameters['@find'].Value

:

EtUsemame.Text;

rdr

:

cmd.ExecuteReade{;

if (rdr.Read0) {

MessageBox.Show('Usemame Already Exists", "Error", MessageBoxButtons.OK, MessageBoxlcon.Error) ;

brtUsername.Text:

"';

brtUsername .Focus$;

if (rdr

!:

null)

{

rdr.CloseQ;

) retun;

l

con

:

nsw SqlConnection(cs.DBConn);

con.Open$;

sking ctl

:

"SELECT Email from T_REGISTRATION where Email:"'+ ktEmail_AddrcssTcril+

-;

cmd

:

_newSqlCorrmand(ct1);

cmd.Connection: con;

rdr

:

cmd5xecuteReader$;

if (rdr.Read0) {

MessageBox.Show("Email ID Already Exists", uError", MessageBoxButtoc.OX"

MessageBoxlcon,Error);

txtEmail_Address.Text

:

"";

trtEmail Address.Focus$;

(r&

!:null))

{

rdr.CloseQ;

)

rgfurn;

)

con = new SqlConnection(cs.DBCmn);

con.OpenQ;

string cb = "INSERT INTO

T_REGISTRATION(Usernane,UserT

^VALI}ES

f

⁺

Etusemame.Text + "','"

cmbUse,rTxE.Tcil-,-fuudTcec+ -,'tffffi

no.Ttm+ "','' ⁺ EtEmail Address.Text

*

^-,'"

*

EtNme.Tcrr

* -,-

$ilE I)-T'eJ{c

⁺

T;

cmd: rew SqlConman(cb);

****;Ty

)

Ery

{

l.

Cottyrut{rizedl Sa frs Aaf, lnuentory

btnRegister.Enabled

:

_false;

)

cakh (Exception ex)

{

MessageBox.Show(ex.Messagen t'Error", MessageBoxButtons-Of! MessageBodcon.Error);

l

private void CheckAvailability-Click(object sender, EventArgs e) (

try {

if (trtUsemame.Text

:

^nr)

{

MessageBox.Show("Please enter ussmame','EITol', MessageBoxButtons.Olq MessageBoxlcon.Error);

txtUsername.Focus0;

return;

)

coo

:

_nswSqlConnection(cs.DBCorn);

con.OpenQ;

stoing

ct:

"SELECT us€nunrc from T_REGISTRATION where ussname:"'* txtUsetname-Text +

-;

cmd

:

_newSqlComman(ct);

cmdCon@ion:coq

dr :

cmd-ExemteR€ad€rQ;

if (rdr.ReadQ)

{

MeesageBox.Show("Usernanne not available", "', MessageBoxButtons.OK, MessageBodcon.Infonnation);

return;

)

if (lrdr.ReadQ) {

MessageBox.Show("Usernane available", "', MessageBoxButtons.O(

Lfe<s*SpBtrrcilfuirh

brtUsername.Focus$;

)

if ((rdr

!:

null)) {

rdr.Closeo;

l

)

catch @xception ex)

{

MessageBox.Show(ex.Message, t'Error", MessageBoxBufirc.OK"

Uersrgc8slcr.Euu}

l

)

private void Email_Address_Validating(oQiect

det, CrcdErtrAryl

{

System.Text.RegularExpressimsleger

trffd : -r SyhT-t D@(@"^[a-zA-

Z]t\w\.-l{228lla-zA-Z0-91@la-zA-7*91[w\-ff+zA-Z)-9]t[tzA-Zfr-zA-AffrzA-!p];

if (trtEmail_Addrcss.TextlagiL > 0) {

if (!rEMail.IsMatc(BtEmail_AdfiEss.TcrtD {

MessageBorshoufiuvelid

trrril

rdfiEssf,

'End, tltcssrgpBcM.OK,

MessageBoxlcon.Error);

@

e-Cancel =Eue;

u

l'

Corry"utiriz?trSabs

flnf,lwntory

t

e.Handled = !(char.Islette(e.KeyChar) _lle.KeyChar

:

(char)Keys.Back _lle.KeyChar

:

(char)Keys.Space);

)

private void Usernane_Validating(object sender, CancelEventArgs e) {

Sys0em-ToxrRegularExpre*sions.Regex rEMail: new System.Text.RegularExpressions.Regex(^fa-zA-20-

ell;

if (EtlJsemame.T€xt.l€ngth > 0)

t

if (lrf,MdJs}{*ch(txtllsernme.Text) {

McssegeBox-Sffimly te*ers,nrrmtas md rmderscore is allowed', "Error", MessrgduBrdrm.OK, MessageBoxloonError);

trfl,Jsm.SelectAll$;

e.Cocel:true;

l l

)

fivae

void GetDetails_Click(object send€r, EventArgs e)

{

frmRqist*dUsersOetails frm

:

new &mRegis0erdUsersDetailsS;

frndafaGdrlVievr l.DataSouree = &m.GetDaiao;

frm-ShowQ;

)

private void Usemame_TextChanged(object sender, EventArgs e)

t

bhDelete.Enabled

:

true;

btnUpdate_record.Enabled

:

_true;

Ey {

brtUsername.Text = txtUsername.Text.TrimEndQ;

con

:

new SqlConnection(cs.DBConn);

con.OpenS;

cmd

:

con.CreateCommand$;

cmd-CorunandText: "SELECT Userfype,password,oame,cootactno,email FROM T_RBGETRATION WHERE useilHrrle:'" + atlJsemame.Text.Trim0 +

"-;

:

cmd-ExecuteReade{;

if(r&3ead$) {

cmbustrT!"e-Tcxt

:

(dr.Ce*Slring(0}Trimo}

triksord-Teu :

(r&.GcrString(l)-Trir$

tx0{ame-Tst = (rdr.GerSfring(2)-Trino}

trtCme_m-Terr

: (re-Gc6ringplTriEox ffiEE

{-Ad&Ess-Tcd

: fdr.GaSuig(]Trinfl]

)

if (rdr

!: null)

{

rdr.CloseQ;

l

if (con.State

:

ConnectionSab.Op€n) {

con.Close$;

)

Cotyutflbe/ Sa6t nnd rwertory

MessageBox.Show(ex,Message, "Eilof , MessapBoxButtoas.Oll MessageBoxlcon Error);

1I )

private void AutocompleteQ

{ trv{

con

:

_newSqlConnection(cs.DBConn) con.OpenQ;

SqlCommand cmd: new SqlCommand("SELECT UserName FROM T_REGISTRATION", con);

DataSet ds: new DataSet$;

SqlDataAdapter da

:

_newSqlDataAdapter(cmQ;

da.Fil(ds, "T_REGISTRATION');

AutoCompleteStringCollection col

:

ne* AfioCmpleteStingCollection$;

int

i:0;

for

(i:0;

<:

ds.Tables[0].Rows.Cormt - 1;

i+)

{

col.Add(ds. Tables[0].Rows[i] ['L]serNane"l.ToStdng$);

l

EtUsername.AutoCompleteSotrrce

:

Amocmplaesunce.CustomSource;

EtUsername.AutoComplet{us*omSouoe

:

_ool;

EtUsername.AutoCompleteMode

:

AuoCoryle*efaode.Sugges{

con.Close$;

catch (Exception ex)

{

MessageBox.Show(ex.Messags,'Eud, MessageBoxMms.Oll IUessageBoxlcoo-Enor);

) )

private void Update_record_Clic(object sepdEr, EveutArgs e) {

if (o<tUsername.Text

:'i)

{

MessageBox.Show('Please

eatsrUslDp,'Erd,

}{€ssageBorBem*.Of,

[email protected]);

firtUsername.Focus$;

return;

)

if (cmbUserType.Text

:

_"'1

t

MessageBox.Show("Please selet Uscr T54r',

tr,

}Ics€E*oxB{iims.OK" MessageBoxlcm.Error);

cmbUserType.Focus$;

return;

)

if (txtPassword-Text

:

ⁿⁿ⁾

t

MessageBox.Show(?lease enter

Pssmuf, -Erd, }{qdox&*tons.OK,

MesageBoxlcon.Error);

u$assword-Focu$;

lEturq

l if(trrNme.Ttxt:

""1

{

McssageBorShow("Please eater

U*rl{ae','Euf,

MessageBoxButtons.Ol! MessageBoxlcon.Error);

tdame.Fmo;

TI[E;

l if(ttrmg-no-Text:'i) t

MessageBoxShffi('Pl€ese effiomtact rc.",'Efior', MessageBoxButtons.OK, MessageBoxlcon.Eror);

trtConM_noJocr$t rEma;

Corrfutlrizedsa{es

con

:

new SqlConnection(cs.DBConn);

con.OpenQ;

string

cb:

"UPDATE T_REGISTRATION SET UserTypr'" ⁺cmbUserTlrye.Text + *', Password='* + brtPassword.Text

*

"',ContactNo:"' + brtContact*no.Text

f

'',Email:'" + firtEmail_Address.Text + "',Nam€="' + ktName.Text + ^urWIIERE UserName:"'+ ArtUsername.Text

*

"'";

cmd

:

new SqlCommaad(cb);

cmd.Connecfion: con;

cmd-ExecuteReader$;

con.Close$;

MessageBox.Show("Successfully updated", "IJser lofo", MessageBoxButtons.OK MessageBoxlcon.Information);

Autocomplete0;

btnUpdate_record.Enabled

:

false;

l

catch (Exception ex)

MessageBox.Show(ex.Message, "Error", MessageBoxButtons.Ol( MessageBoxlcon.Error);

)

private void Delete_Click(object sender, EventArgs e)

{

if (MessageBox.Show("Do you

relly

want to &l€ile

fiii recuf, 'Cffirtim',

MessageBoxButtons.YesNo, MessageBoxlcon-Qr#irn)

: Slaco-@Yce)

{

delete_recordsQ;

) )

private void delete_recudsQ

{ try {

(ffiLlseure-Td-'r--)

{

MeqsegFBq-SlorfAlh Aacil cr

^rot^be

ffied!,

'Etrrff', MessageBoxButtons.OK, Ma<srgFForlcor Fqrtr'ts

Frq

iRosAftd:Q l

o[:tsrSq|Cil.rrft<R ^rBCorr]

cc"Ogrfi

$ntg

t*:

TIELEIE FROlt T_REGISTRATION WHERE UserNam€='" + ktus$mam€.Text

*

""';

r:rrl:ar;g,Sq|QrmdCtX cmd-Cmin:coq

RowsAfrectod

:

cnrl FrccilcNrrQrtrrrG if(RowsAffcEd>0)

{

MessageBorshoutf Sooccstfrtly ddc*ed,'Rccmd, MessageBoxButtons.OK, MessageBoxlcon.Informatim);

AutocompleteQ;

Reset$;

) else

{

MessageBox.Show("No Record found", "Sorry", MessageBoxButtons.O$

MessageB oxf con. Information);

retum;

) try {

{ )

Conywtirizz/ SaEs glnd _lnueatorlr

con.CIoseQ;

)

catch (Exce,ption ex) {

MessageBox.Shorr(ex.Message, "Erorn, MessageBoxBuftoos.OK, MessageBoxlcon.Error);

l

)

private void ktContact_no_KeyPress(object sender, KeyPressEventArgs e)

{

if ([email protected]) _llchar.IsConko{e.Keychar) t

eJlaadled = false;

)

else {

e.Handled: true;

l

)

Dalam dokumen Computerized Sales und Inventory Management System (Halaman 34-48)

Additional Toals

2.0 Process

5.4 Additional Toals

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