实例介绍
【实例简介】
【实例截图】
【核心代码】
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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