实例介绍
【实例简介】
【实例截图】
【核心代码】
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 | using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Text;using System.Windows.Forms;using System.Runtime.InteropServices;using System.Data.SqlClient;namespace SQL_Distill{ public partial class frmMain : Form { public frmMain() { InitializeComponent(); } public string strDataName = ""; public string strUser = ""; public string strPwd = ""; public string strServerName = "()"; private void frmMain_Load(object sender, EventArgs e) { //加载所有的服务器名称 //getSQLServer(); //cbbSqlServerName.SelectedIndex = 0; } private void getSQLServer() { SQLDMO.Application SQLServer = new SQLDMO.Application(); SQLDMO.NameList strServerList = SQLServer.ListAvailableSQLServers(); if (strServerList.Count > 0) { for (int i = 0; i < strServerList.Count; i ) { cbbSqlServerName.Items.Add(strServerList.Item(i 1)); } } } private void button1_Click(object sender, EventArgs e) { try { cbbSqlData.Items.Clear(); SqlConnection conn = new SqlConnection("Server=" cbbSqlServerName.Text.Trim() ";DataBase=master;uid=" txtSqlName.Text.Trim() ";pwd=" txtSqlPwd.Text.Trim()); conn.Open(); if (conn.State == ConnectionState.Open) { tsslStatus.Text = "连接成功！"; SqlCommand cmd = new SqlCommand("sp_helpdb", conn); SqlDataReader sdr = cmd.ExecuteReader(); while (sdr.Read()) { if (sdr[0].ToString() == "master" || sdr[0].ToString() == "model" || sdr[0].ToString() == "msdb" || sdr[0].ToString() == "Northwind" || sdr[0].ToString() == "pubs" || sdr[0].ToString() == "tempdb") { } else { cbbSqlData.Items.Add(sdr[0].ToString()); } } cbbSqlData.SelectedIndex = 0; strUser = txtSqlName.Text.Trim(); strPwd = txtSqlPwd.Text.Trim(); strServerName = cbbSqlServerName.Text.Trim(); cbbDataTable.SelectedIndex = 0; sdr.Close(); conn.Close(); } else if (conn.State == ConnectionState.Closed) { conn.Close(); } } catch { button1_Click(sender, e); } } private void cbbSqlData_SelectedIndexChanged(object sender, EventArgs e) { SqlConnection DBcon = new SqlConnection("Server=" cbbSqlServerName.Text.Trim() ";DataBase=" cbbSqlData.Text.Trim() ";uid=" txtSqlName.Text.Trim() ";pwd=" txtSqlPwd.Text.Trim()); strDataName = cbbSqlData.Text.Trim(); listBox1.DataSource = null; listBox1.Items.Clear(); SqlDataAdapter da = new SqlDataAdapter("SELECT name FROM sysobjects WHERE type = 'U' and name<>'dtproperties'", DBcon); DataTable dt = new DataTable("sysobjects"); da.Fill(dt); listBox1.DataSource = dt.DefaultView; listBox1.DisplayMember = "name"; listBox1.ValueMember = "name"; } private void listBox1_Click(object sender, EventArgs e) { try { string strTableName = listBox1.SelectedValue.ToString(); using (SqlConnection con = new SqlConnection("Server=" strServerName ";database=" strDataName ";Uid=" strUser ";Pwd=" strPwd)) { string strSql = "select name 字段名, xusertype 类型编号, length 长度 into hy_Linshibiao from syscolumns where id=object_id('" strTableName "') "; strSql = "select name 类型,xusertype 类型编号 into angel_Linshibiao from systypes where xusertype in (select xusertype from syscolumns where id=object_id('" strTableName "'))"; con.Open(); SqlCommand cmd = new SqlCommand(strSql, con); cmd.ExecuteNonQuery(); SqlDataAdapter da = new SqlDataAdapter("select 字段名,类型,长度 from hy_Linshibiao t,angel_Linshibiao b where t.类型编号=b.类型编号", con); DataTable dt = new DataTable(); da.Fill(dt); this.dataGridView1.DataSource = dt.DefaultView; SqlCommand cmdnew = new SqlCommand("drop table hy_Linshibiao,angel_Linshibiao", con); cmdnew.ExecuteNonQuery(); con.Close(); } } catch(Exception ex) { MessageBox.Show(ex.Message,"警告", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); } } private void cbbDataTable_SelectedIndexChanged(object sender, EventArgs e) { if (cbbDataTable.Text.Trim() == "视图") { using (SqlConnection con = new SqlConnection("Server=" strServerName ";database=" strDataName ";Uid=" strUser ";Pwd=" strPwd)) { SqlDataAdapter da = new SqlDataAdapter("select name from sysobjects where xtype='v'", con); DataTable dt = new DataTable("sysobjects"); da.Fill(dt); listBox1.DataSource = dt.DefaultView; listBox1.DisplayMember = "name"; listBox1.ValueMember = "name"; } } if (cbbDataTable.Text.Trim() == "数据表") { strDataName = cbbSqlData.Text.Trim(); listBox1.DataSource = null; listBox1.Items.Clear(); SqlConnection conn = new SqlConnection("Server=" cbbSqlServerName.Text.Trim() ";DataBase=" cbbSqlData.Text.Trim() ";uid=" txtSqlName.Text.Trim() ";pwd=" txtSqlPwd.Text.Trim()); SqlDataAdapter da = new SqlDataAdapter("SELECT name FROM sysobjects WHERE type = 'U' and name<>'dtproperties' ", conn); DataTable dt = new DataTable("sysobjects"); da.Fill(dt); listBox1.DataSource = dt.DefaultView; listBox1.DisplayMember = "name"; } if (cbbDataTable.Text.Trim() == "存储过程") { strDataName = cbbSqlData.Text.Trim(); listBox1.DataSource = null; listBox1.Items.Clear(); using (SqlConnection conn = new SqlConnection("Server=" cbbSqlServerName.Text.Trim() ";DataBase=" cbbSqlData.Text.Trim() ";uid=" txtSqlName.Text.Trim() ";pwd=" txtSqlPwd.Text.Trim())) { SqlDataAdapter da = new SqlDataAdapter("SELECT name FROM sysobjects WHERE xtype='p'", conn); DataTable dt = new DataTable("sysobjects"); da.Fill(dt); listBox1.DataSource = dt.DefaultView; listBox1.DisplayMember = "name"; listBox1.ValueMember = "name"; } } } private void toolStripButton8_Click(object sender, EventArgs e) { Application.Exit(); } private void toolStripButton1_Click(object sender, EventArgs e)//备份数据库 { if (strServerName== "") { MessageBox.Show("注意：您还未登录！","警告",MessageBoxButtons.OK,MessageBoxIcon.Exclamation); } else { frmBackup backup = new frmBackup(); backup.strserver = strServerName; backup.struser = strUser; backup.strpwd = strPwd; backup.ShowDialog(); } } private void toolStripButton2_Click(object sender, EventArgs e)//还原数据库 { if (strServerName == "") { MessageBox.Show("注意：您还未登录！", "警告", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); } else { frmRevert revert = new frmRevert(); revert.strserver = strServerName; revert.struser = strUser; revert.strpwd = strPwd; revert.ShowDialog(); } } private void toolStripButton3_Click(object sender, EventArgs e)//附加数据库 { if (strServerName == "") { MessageBox.Show("注意：您还未登录！", "警告", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); } else { frmAppend append = new frmAppend(); append.strserver = strServerName; append.struser = strUser; append.strpwd = strPwd; append.ShowDialog(); } } private void toolStripButton4_Click(object sender, EventArgs e)//分离数据库 { if (strServerName == "") { MessageBox.Show("注意：您还未登录！", "警告", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); } else { if (MessageBox.Show("注意：确定要分离数据库" cbbSqlData.Text.Trim() "吗？", "警告", MessageBoxButtons.OKCancel, MessageBoxIcon.Exclamation) == DialogResult.OK) { using (SqlConnection con = new SqlConnection("server=.;pwd=" strPwd ";uid=" strUser ";database=master")) { try { con.Open(); string sql = "exec sp_detach_db @dbname='" cbbSqlData.Text.Trim() "'"; string single = "alter database " cbbSqlData.Text.Trim() " set single_user with rollback immediate " sql; SqlCommand cmd = new SqlCommand(); cmd.Connection = con; cmd.CommandText = single; cmd.ExecuteNonQuery(); con.Close(); MessageBox.Show("提示：分离成功！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); button1_Click(sender, e); } catch (Exception ey) { MessageBox.Show(ey.Message, "警告", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); } } } else { } } } private void toolStripButton6_Click(object sender, EventArgs e) { if (strServerName == "") { MessageBox.Show("注意：您还未登录！", "警告", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); } else { if (listBox1.SelectedItems.Count == 0) { MessageBox.Show("注意：您还没有选择数据表！", "警告", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); } else { frmOutData outdata = new frmOutData(); outdata.OutData = cbbSqlData.Text.Trim(); outdata.OutTable = listBox1.SelectedValue.ToString(); outdata.strserver = strServerName; outdata.struser = strUser; outdata.strpwd = strPwd; outdata.ShowDialog(); } } } private void toolStripButton5_Click(object sender, EventArgs e) { if (strServerName == "") { MessageBox.Show("注意：您还未登录！", "警告", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); } else { if (listBox1.SelectedItems.Count == 0) { MessageBox.Show("注意：您还没有选择数据表！", "警告", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); } else { frmDataExport dataexport = new frmDataExport(); dataexport.OutData = cbbSqlData.Text.Trim(); dataexport.OutTable = listBox1.SelectedValue.ToString(); dataexport.strserver = strServerName; dataexport.struser = strUser; dataexport.strpwd = strPwd; dataexport.ShowDialog(); } } } private void listBox1_SelectedIndexChanged(object sender, EventArgs e) { } }} |
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