using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Linq;
using?System.Text;
using?System.Threading.Tasks;
using?System.Windows.Forms;
using?System.Data.SqlClient;

namespace?Contact_Manage
{
????///?

????///?添加聯系人
????///?

????public?partial?class?AddContact?:?Form
????{
????????public?AddContact（）
????????{
????????????InitializeComponent（）;
????????}

????????private?void?button1_Click（object?sender?EventArgs?e）
????????{
????????????//判斷是否有必填項目未輸入的情況
????????????if?（tB_Name.Text.Length?==?0?&&?tB_Phone.Text.Length?==?0）
????????????{
????????????????MessageBox.Show（“姓名電話必須填寫！“）;
????????????????return;
????????????}

????????????string?sqlcon?=?“server=.;database=phone_Book;uid=sa;pwd=666888“;
????????????string?sqlcom?=?“INSERT?INTO?Contact?（Contact_NameContact_QQContact_PhoneContact_EmailAccount_Username）?VALUES（‘“
????????????????+?tB_Name.Text?+?“‘‘“?+?tB_QQ.Text?+?“‘‘“?+?tB_Phone.Text?+?“‘‘“?+?tB_Email.Text?+?“‘‘“+Login.txtLogin_Username+“‘）“;
????????????//執行添加操作
????????????SqlConnection?con?=?new?SqlConnection（sqlcon）;
????????????SqlCommand?com?=?new?SqlCommand（sqlcom?con）;
????????????con.Open（）;
????????????int?eq?=?com.ExecuteNonQuery（）;
????????????if?（eq?!=?0）
????????????{
????????????????MessageBox.Show（“添加成功!“）;
????????????}
????????????con.Close（）;


????????????//清空所有文本框
????????????foreach?（Control?item?in?this.Controls）
????????????{
????????????????if?（item?is?TextBox）
????????????????{
????????????????????item.Text?=?““;
????????????????}
????????????}
????????}
????}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

????..A..H.?????80896??2016-07-14?09:37??Contact_Manage\Contact_Manage\.vs\Contact_Manage\v14\.suo

????..A..H.?????50176??2018-04-26?17:31??Contact_Manage\Contact_Manage\.vs\Contact_Manage\v15\.suo

?????文件?????606208??2018-04-26?17:29??Contact_Manage\Contact_Manage\.vs\Contact_Manage\v15\sqlite3\storage.ide

?????文件???????1784??2016-05-04?19:26??Contact_Manage\Contact_Manage\Contact_Manage\AddContact.cs

?????文件???????6570??2016-05-04?19:26??Contact_Manage\Contact_Manage\Contact_Manage\AddContact.Designer.cs

?????文件?????498800??2016-05-04?19:26??Contact_Manage\Contact_Manage\Contact_Manage\AddContact.resx

?????文件???????1308??2016-05-03?00:20??Contact_Manage\Contact_Manage\Contact_Manage\Affirm.cs

?????文件???????3439??2016-05-01?17:14??Contact_Manage\Contact_Manage\Contact_Manage\Affirm.Designer.cs

?????文件???????5817??2016-05-01?17:14??Contact_Manage\Contact_Manage\Contact_Manage\Affirm.resx

?????文件????????189??2016-04-29?19:08??Contact_Manage\Contact_Manage\Contact_Manage\App.config

?????文件????3067392??2018-04-26?17:30??Contact_Manage\Contact_Manage\Contact_Manage\bin\Debug\Contact_Manage.exe

?????文件????????189??2016-04-29?19:08??Contact_Manage\Contact_Manage\Contact_Manage\bin\Debug\Contact_Manage.exe.config

?????文件??????77312??2018-04-26?17:30??Contact_Manage\Contact_Manage\Contact_Manage\bin\Debug\Contact_Manage.pdb

?????文件??????22696??2016-07-14?09:17??Contact_Manage\Contact_Manage\Contact_Manage\bin\Debug\Contact_Manage.vshost.exe

?????文件????????189??2016-04-29?19:08??Contact_Manage\Contact_Manage\Contact_Manage\bin\Debug\Contact_Manage.vshost.exe.config

?????文件????????490??2015-10-30?15:19??Contact_Manage\Contact_Manage\Contact_Manage\bin\Debug\Contact_Manage.vshost.exe.manifest

?????文件???????2256??2016-05-04?19:26??Contact_Manage\Contact_Manage\Contact_Manage\Change_Image.cs

?????文件???????3993??2016-05-04?19:26??Contact_Manage\Contact_Manage\Contact_Manage\Change_Image.Designer.cs

?????文件?????498800??2016-05-04?19:26??Contact_Manage\Contact_Manage\Contact_Manage\Change_Image.resx

?????文件???????8562??2016-05-04?22:44??Contact_Manage\Contact_Manage\Contact_Manage\Contact_Manage.cs

?????文件???????6927??2016-05-03?13:31??Contact_Manage\Contact_Manage\Contact_Manage\Contact_Manage.csproj

?????文件??????12316??2016-05-04?20:13??Contact_Manage\Contact_Manage\Contact_Manage\Contact_Manage.Designer.cs

?????文件?????304740??2016-05-04?20:13??Contact_Manage\Contact_Manage\Contact_Manage\Contact_Manage.resx

?????文件???????4630??2016-05-04?22:34??Contact_Manage\Contact_Manage\Contact_Manage\Login.cs

?????文件???????7290??2016-05-02?12:51??Contact_Manage\Contact_Manage\Contact_Manage\Login.Designer.cs

?????文件?????797595??2016-05-04?19:26??Contact_Manage\Contact_Manage\Contact_Manage\Login.resx

?????文件???????2328??2016-05-04?19:26??Contact_Manage\Contact_Manage\Contact_Manage\Logout.cs

?????文件???????4795??2016-05-04?19:26??Contact_Manage\Contact_Manage\Contact_Manage\Logout.Designer.cs

?????文件?????498800??2016-05-04?19:26??Contact_Manage\Contact_Manage\Contact_Manage\Logout.resx

?????文件???????1943??2016-05-04?19:26??Contact_Manage\Contact_Manage\Contact_Manage\Mdfct_Acct_Username.cs

............此處省略80個文件信息