C # Address Book--windows Form contact List

C # Address Book

Windows Form Contact List

Main Window

usingSystem;usingSystem.Collections.Generic;usingSystem.ComponentModel;usingSystem.Data;usingSystem.Drawing;usingSystem.IO;usingSystem.Linq;usingSystem.Text;usingSystem.Threading.Tasks;usingSystem.Windows.Forms;namespacewindowsformsapplication2{ Public Partial classForm1:form { PublicForm1 () {InitializeComponent (); }        Privatecontact[] Phonebook =Newcontact[1]; Private voidWrite (Contact obj) {StreamWriter SW=NewStreamWriter ("Contact.txt"); Sw. WriteLine (Phonebook.length+1); Sw. WriteLine (obj.                FirstName); Sw. WriteLine (obj.                LastName); Sw. WriteLine (obj.                Phone);  for(intx =0; x < phonebook.length; X + +) {SW. WriteLine (Phonebook[x].                    FirstName); Sw. WriteLine (Phonebook[x].                    LastName); Sw. WriteLine (Phonebook[x].                Phone); } SW.        Close (); }        Private voidRead () {StreamReader SR=NewStreamReader ("Contact.txt"); Phonebook=NewContact[convert.toint32 (Sr.                ReadLine ())];  for(intx =0; x < phonebook.length; X + +) {Phonebook[x]=NewContact (); PHONEBOOK[X]. FirstName=Sr.                    ReadLine (); PHONEBOOK[X]. LastName=Sr.                    ReadLine (); PHONEBOOK[X]. Phone=Sr.                ReadLine (); } Sr.        Close (); }        Private voidDisplay () {lstContacts.Items.Clear ();  for(intx =0; x < phonebook.length; X + +) {lstContacts.Items.Add (phonebook[x].                ToString ()); }                    }        Private voidClearForm () {Textfirstname.text=string.            Empty; Textlastname.text=string.            Empty; Textphone.text=string.        Empty; }        Private voidBtnaddcontact_click (Objectsender, EventArgs e) {Contact obj=NewContact ();            Obj._contact (Textfirstname.text,textlastname.text,textphone.text); //lstContacts.Items.Add (obj. ToString ());Bubblesort ();            Fileif ();            Write (obj);            Read ();            Display ();        ClearForm (); }        Private voidFileif () {if(File.exists ("Contact.txt"))            {                return; }Else{FileStream NewText= File.create ("Contact.txt");            Newtext.close (); }        }        Private voidForm1_Load (Objectsender, EventArgs e)            {Fileif ();            Read ();        Display (); }        Private voidBubblesort () {Contact temp; BOOLswap;  Do{Swap=false;  for(intx =0; x< (Phonebook.length-1); x + +)                {                    if(Phonebook[x].lastname.compareto (phonebook[x+1]. LastName) >0) {Temp=Phonebook[x]; PHONEBOOK[X]=phonebook[x+1]; Phonebook[x+1]=temp; Swap=true; }                }            } while(Swap = =true); }        Private voidBtnsort_click (Objectsender, EventArgs e)            {Bubblesort ();        Display (); }           }//End of Class}//End of namespace

Contact class

usingSystem;usingSystem.Collections.Generic;usingSystem.Linq;usingSystem.Text;usingSystem.Threading.Tasks;namespacewindowsformsapplication2{classContact {//Public contact ()//{        //FirstName = "LANDV"; //LastName = "Li"; //Phone = "13903120312"; //}        //Public contact (string _firstname, String _lastname, string _phone)//{        //FirstName = _FirstName; //LastName = _lastname; //Phone = _phone; //}                Public void_contact (string_FirstName,string_lastname,string_phone) {FirstName=_FirstName; LastName=_lastname; Phone=_phone; }        Private string_FirstName; Private string_lastname; Private string_phone;  Public stringFirstName {Get{return_FirstName;} Set{_FirstName =value;} }         Public stringLastName {Get{return_lastname;} Set{_lastname =value;} }         Public stringPhone {Get{return_phone;} Set             {                if(value.) Length = = One) {_phone=value; }                Else{_phone="11111111111"; }            }        }            Public Override stringToString () {stringOutput =string.           Empty; Output+=string. Format ("{0},{1}", LastName, FirstName); Output+=string. Format (", {0} {1} {2}", Phone.substring (0,3), Phone.substring (3,4), Phone.substring (7,4)); returnoutput; }        }//End of Class}//End of namespace

Source:

Http://files.cnblogs.com/files/landv/WindowsFormContactList.zip

C # Address Book--windows Form contact List