91av视频/亚洲h视频/操亚洲美女/外国一级黄色毛片 - 国产三级三级三级三级

  • 大小: 327KB
    文件類型: .zip
    金幣: 2
    下載: 0 次
    發(fā)布日期: 2021-05-13
  • 語言: C#
  • 標(biāo)簽: c#??MySql??

資源簡介

c#窗體應(yīng)用程序?qū)崿F(xiàn)對(duì)數(shù)據(jù)庫的增刪查改, 不包含數(shù)據(jù)庫文件, 請自行根據(jù)代碼構(gòu)建數(shù)據(jù)庫表格

資源截圖

代碼片段和文件信息 

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;

namespace?DB_FOUR
{
????public?partial?class?Form1?:?Form
????{
????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????}
????????DataSet?ds?=?new?DataSet（）;
????????DataTable?dt?=?new?DataTable（）;

????????private?void?TextBoxNull（）
????????{
????????????textBox1.Text?=?““;
????????????textBox2.Text?=?““;
????????????textBox3.Text?=?““;
????????????textBox4.Text?=?““;
????????}

????????private?void?用戶ToolStripMenuItem_Click（object?sender?EventArgs?e）
????????{
????????????TextBoxNull（）;
????????????ds?=?SqlDesigner.ExecuteDataSet（“select?*?from?dtuser“）;
????????????dt?=?ds.Tables[0];
????????????dataGridView1.DataSource?=?dt;
????????????labelshow（）;
????????}

????????private?void?角色ToolStripMenuItem_Click（object?sender?EventArgs?e）
????????{
????????????TextBoxNull（）;
????????????ds?=?SqlDesigner.ExecuteDataSet（“select?*from?dtrole“）;
????????????dt?=?ds.Tables[0];
????????????dataGridView1.DataSource?=?dt;
????????????label4.Text?=?“None“;
????????????textBox4.Text?=?“None“;
????????????labelshow（）;
????????}

????????private?void?對(duì)象ToolStripMenuItem_Click（object?sender?EventArgs?e）
????????{
????????????TextBoxNull（）;
????????????ds?=?SqlDesigner.ExecuteDataSet（“select?*?from?dtfunction“）;
????????????dt?=?ds.Tables[0];
????????????dataGridView1.DataSource?=?dt;
????????????labelshow（）;
????????}

????????private?void?幫助ToolStripMenuItem_Click（object?sender?EventArgs?e）
????????{
????????????TextBoxNull（）;
????????????ds?=?SqlDesigner.ExecuteDataSet（“select?*?from?help“）;
????????????dt?=?ds.Tables[0];
????????????dataGridView1.DataSource?=?dt;
????????????dataGridView1.Columns[1].AutoSizeMode?=?DataGridViewAutoSizeColumnMode.AllCells;
????????}

????????private?void?dataGridView1_CellContentClick（object?sender?DataGridViewCellEventArgs?e）
????????{
????????????string?index?=?dataGridView1.CurrentRow.Cells[0].Value.ToString（）;
????????????if?（label1.Text?==?“uid“）
????????????{
????????????????ds?=?SqlDesigner.ExecuteDataSet（“select?*from?dtuser?where?uid=‘“?+?index?+?“‘“）;
????????????????dt?=?ds.Tables[0];
????????????????DataRow?row?=?dt.Rows[0];
????????????????textBox1.Text?=?row[“uid“].ToString（）;
????????????????textBox2.Text?=?row[“uname“].ToString（）;
????????????????textBox3.Text?=?row[“pwd“].ToString（）;
????????????????textBox4.Text?=?row[“uflag“].ToString（）;
????????????}
????????????if?（label1.Text?==?“rid“）
????????????{
????????????????ds?=?SqlDesigner.ExecuteDataSet（“select?*from?dtrole?where?rid=‘“?+?index?+?“‘“）;
????????????????dt?=?ds.Tables[0];
????????????????DataRow?row?=?dt.Rows[0];
????????????????textBox1.Text?=?row[“rid“].ToString（）;
????????????????textBox2.Text?=?row[“rname“].ToString（）;
???

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-07-18?18:54??database\
?????目錄???????????0??2018-07-18?18:54??database\DB_FOUR\
?????目錄???????????0??2018-07-18?18:54??database\DB_FOUR\.vs\
?????目錄???????????0??2018-07-18?18:54??database\DB_FOUR\.vs\DB_FOUR\
?????目錄???????????0??2018-07-18?18:54??database\DB_FOUR\.vs\DB_FOUR\v14\
?????文件???????33792??2018-07-18?23:42??database\DB_FOUR\.vs\DB_FOUR\v14\.suo
?????目錄???????????0??2018-07-18?19:32??database\DB_FOUR\DB_FOUR\
?????文件?????????988??2018-07-18?18:54??database\DB_FOUR\DB_FOUR.sln
?????文件?????????189??2018-07-18?18:54??database\DB_FOUR\DB_FOUR\App.config
?????目錄???????????0??2018-07-18?18:54??database\DB_FOUR\DB_FOUR\bin\
?????目錄???????????0??2018-07-18?19:26??database\DB_FOUR\DB_FOUR\bin\Debug\
?????文件???????18432??2018-07-18?23:32??database\DB_FOUR\DB_FOUR\bin\Debug\DB_FOUR.exe
?????文件?????????189??2018-07-18?18:54??database\DB_FOUR\DB_FOUR\bin\Debug\DB_FOUR.exe.config
?????文件???????30208??2018-07-18?23:32??database\DB_FOUR\DB_FOUR\bin\Debug\DB_FOUR.pdb
?????文件???????22696??2018-07-18?23:41??database\DB_FOUR\DB_FOUR\bin\Debug\DB_FOUR.vshost.exe
?????文件?????????189??2018-07-18?18:54??database\DB_FOUR\DB_FOUR\bin\Debug\DB_FOUR.vshost.exe.config
?????文件?????????490??2017-07-12?18:30??database\DB_FOUR\DB_FOUR\bin\Debug\DB_FOUR.vshost.exe.manifest
?????文件??????674816??2017-12-23?02:19??database\DB_FOUR\DB_FOUR\bin\Debug\MySql.Data.dll
?????文件????????4254??2018-07-18?19:12??database\DB_FOUR\DB_FOUR\DB_FOUR.csproj
?????文件????????7384??2018-07-18?19:32??database\DB_FOUR\DB_FOUR\Form1.cs
?????文件???????12698??2018-07-18?19:30??database\DB_FOUR\DB_FOUR\Form1.Designer.cs
?????文件????????6015??2018-07-18?19:30??database\DB_FOUR\DB_FOUR\Form1.resx
?????目錄???????????0??2018-07-18?18:54??database\DB_FOUR\DB_FOUR\obj\
?????目錄???????????0??2018-07-18?23:36??database\DB_FOUR\DB_FOUR\obj\Debug\
?????文件????????1178??2018-07-18?23:41??database\DB_FOUR\DB_FOUR\obj\Debug\DB_FOUR.csproj.FileListAbsolute.txt
?????文件????????1012??2018-07-18?19:30??database\DB_FOUR\DB_FOUR\obj\Debug\DB_FOUR.csproj.GenerateResource.Cache
?????文件???????13862??2018-07-18?19:26??database\DB_FOUR\DB_FOUR\obj\Debug\DB_FOUR.csprojResolveAssemblyReference.cache
?????文件???????18432??2018-07-18?23:32??database\DB_FOUR\DB_FOUR\obj\Debug\DB_FOUR.exe
?????文件?????????180??2018-07-18?19:30??database\DB_FOUR\DB_FOUR\obj\Debug\DB_FOUR.Form1.resources
?????文件???????30208??2018-07-18?23:32??database\DB_FOUR\DB_FOUR\obj\Debug\DB_FOUR.pdb
?????文件?????????180??2018-07-18?19:26??database\DB_FOUR\DB_FOUR\obj\Debug\DB_FOUR.Properties.Resources.resources
............此處省略15個(gè)文件信息

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