------2003-9-4 12:59:31  


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關鍵字     Sql Server,數據庫,創建
  
作者： 孟憲會 出自： 【孟憲會之精彩世界】 發布日期： 2003-8-17 23:34:35

下面是利用SQL語句創建數據庫、表、存儲過程、視圖、索引、規則、修改表、查看數據等的方法。所要增加的控件如下：

http://www.csdn.net/Develop/Arti ... 003-8-181234011.gif

Imports System.Data
Imports System.Data.SqlClient

Public Class Form1
  Inherits System.Windows.Forms.Form
  Private ConnectionString As String = "Data Source=.;Initial Catalog=;User Id=sa;Password=;"
  Private reader As SqlDataReader = Nothing
  Private conn As SqlConnection = Nothing
  Private cmd As SqlCommand = Nothing
  Private AlterTableBtn As System.Windows.Forms.Button
  Private sql As String = Nothing
  Private CreateOthersBtn As System.Windows.Forms.Button

#Region " Windows 窗體設計器生成的代碼 "
  '窗體重寫處置以清理組件列表。
  Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
    If disposing Then
      If Not (components Is Nothing) Then
        components.Dispose()
      End If
    End If
    MyBase.Dispose(disposing)
  End Sub
  Public Sub New()
    MyBase.New()
    InitializeComponent()
  End Sub
  Private components As System.ComponentModel.IContainer
  Friend WithEvents DataGrid1 As System.Windows.Forms.DataGrid
  Friend WithEvents CreateDBBtn As System.Windows.Forms.Button
  Friend WithEvents CreateTableBtn As System.Windows.Forms.Button
  Friend WithEvents CreateSPBtn As System.Windows.Forms.Button
  Friend WithEvents CreateViewBtn As System.Windows.Forms.Button
  Friend WithEvents btnAlterTable As System.Windows.Forms.Button
  Friend WithEvents btnCreateOthers As System.Windows.Forms.Button
  Friend WithEvents btnDropTable As System.Windows.Forms.Button
  Friend WithEvents btnViewData As System.Windows.Forms.Button
  Friend WithEvents btnViewSP As System.Windows.Forms.Button
  Friend WithEvents btnViewView As System.Windows.Forms.Button
  <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
    Me.CreateDBBtn = New System.Windows.Forms.Button()
    Me.CreateTableBtn = New System.Windows.Forms.Button()
    Me.CreateSPBtn = New System.Windows.Forms.Button()
    Me.CreateViewBtn = New System.Windows.Forms.Button()
    Me.btnAlterTable = New System.Windows.Forms.Button()
    Me.btnCreateOthers = New System.Windows.Forms.Button()
    Me.btnDropTable = New System.Windows.Forms.Button()
    Me.btnViewData = New System.Windows.Forms.Button()
    Me.btnViewSP = New System.Windows.Forms.Button()
    Me.btnViewView = New System.Windows.Forms.Button()
    Me.DataGrid1 = New System.Windows.Forms.DataGrid()
    CType(Me.DataGrid1, System.ComponentModel.ISupportInitialize).BeginInit()
    Me.SuspendLayout()
    '
    'CreateDBBtn
    '
    Me.CreateDBBtn.Location = New System.Drawing.Point(19, 9)
    Me.CreateDBBtn.Name = "CreateDBBtn"
    Me.CreateDBBtn.Size = New System.Drawing.Size(104, 23)
    Me.CreateDBBtn.TabIndex = 0
    Me.CreateDBBtn.Text = "創建數據庫"
    '
    'CreateTableBtn
    '
    Me.CreateTableBtn.Location = New System.Drawing.Point(139, 9)
    Me.CreateTableBtn.Name = "CreateTableBtn"
    Me.CreateTableBtn.TabIndex = 1
    Me.CreateTableBtn.Text = "創建表"
    '
    'CreateSPBtn
    '
    Me.CreateSPBtn.Location = New System.Drawing.Point(230, 9)
    Me.CreateSPBtn.Name = "CreateSPBtn"
    Me.CreateSPBtn.Size = New System.Drawing.Size(104, 23)
    Me.CreateSPBtn.TabIndex = 2
    Me.CreateSPBtn.Text = "創建存儲過程"
    '
    'CreateViewBtn
    '
    Me.CreateViewBtn.Location = New System.Drawing.Point(350, 9)
    Me.CreateViewBtn.Name = "CreateViewBtn"
    Me.CreateViewBtn.TabIndex = 3
    Me.CreateViewBtn.Text = "創建視圖"
    '
    'btnAlterTable
    '
    Me.btnAlterTable.Location = New System.Drawing.Point(441, 9)
    Me.btnAlterTable.Name = "btnAlterTable"
    Me.btnAlterTable.TabIndex = 4
    Me.btnAlterTable.Text = "修改表"
    '
    'btnCreateOthers
    '
    Me.btnCreateOthers.Location = New System.Drawing.Point(17, 43)
    Me.btnCreateOthers.Name = "btnCreateOthers"
    Me.btnCreateOthers.Size = New System.Drawing.Size(104, 23)
    Me.btnCreateOthers.TabIndex = 5
    Me.btnCreateOthers.Text = "創建規則和索引"
    '
    'btnDropTable
    '
    Me.btnDropTable.Location = New System.Drawing.Point(138, 43)
    Me.btnDropTable.Name = "btnDropTable"
    Me.btnDropTable.TabIndex = 6
    Me.btnDropTable.Text = "刪除表"
    '
    'btnViewData
    '
    Me.btnViewData.Location = New System.Drawing.Point(351, 43)
    Me.btnViewData.Name = "btnViewData"
    Me.btnViewData.TabIndex = 7
    Me.btnViewData.Text = "查看數據"
    '
    'btnViewSP
    '
    Me.btnViewSP.Location = New System.Drawing.Point(230, 43)
    Me.btnViewSP.Name = "btnViewSP"
    Me.btnViewSP.Size = New System.Drawing.Size(104, 23)
    Me.btnViewSP.TabIndex = 8
    Me.btnViewSP.Text = "查看存儲過程"
    '
    'btnViewView
    '
    Me.btnViewView.Location = New System.Drawing.Point(443, 43)
    Me.btnViewView.Name = "btnViewView"
    Me.btnViewView.TabIndex = 9
    Me.btnViewView.Text = "查看視圖"
    '
    'DataGrid1
    '
    Me.DataGrid1.DataMember = ""
    Me.DataGrid1.HeaderForeColor = System.Drawing.SystemColors.ControlText
    Me.DataGrid1.Location = New System.Drawing.Point(20, 76)
    Me.DataGrid1.Name = "DataGrid1"
    Me.DataGrid1.Size = New System.Drawing.Size(500, 183)
    Me.DataGrid1.TabIndex = 10
    '
    'Form1
    '
    Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
    Me.ClientSize = New System.Drawing.Size(538, 281)
    Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.DataGrid1, Me.btnViewView, _
              Me.btnViewSP, Me.btnViewData, Me.btnDropTable, Me.btnCreateOthers, Me.btnAlterTable, _
              Me.CreateViewBtn, Me.CreateSPBtn, Me.CreateTableBtn, Me.CreateDBBtn})
    Me.Name = "Form1"
    Me.Text = "動態創建SQL Server數據庫、表、存儲過程等架構信息"
    CType(Me.DataGrid1, System.ComponentModel.ISupportInitialize).EndInit()
    Me.ResumeLayout(False)

  End Sub

#End Region

  ' 創建數據庫
  Private Sub CreateDBBtn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) _
    Handles CreateDBBtn.Click
    conn = New SqlConnection(ConnectionString)
    ' 打開連接
    If conn.State <> ConnectionState.Open Then
      conn.Open()
    End If
    'MyDataBase為數據庫名稱
    Dim sql As String = "CREATE DATABASE MyDataBase ON PRIMARY (Name=MyDataBase_data, filename = " + _
        "'D:\MyDataBase.mdf', size=3," + "maxsize=5, filegrowth=10%) log on" + "(name=MyDataBase_log, " + _
        "filename='D:\MyDataBase.ldf',size=3," + "maxsize=20,filegrowth=1)"
    cmd = New SqlCommand(sql, conn)
    Try
      cmd.ExecuteNonQuery()
    Catch ae As SqlException
      MessageBox.Show(ae.Message.ToString())
    End Try
  End Sub
  '創建表
  Private Sub CreateTableBtn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) _
    Handles CreateTableBtn.Click
    conn = New SqlConnection(ConnectionString)
    ' 打開連接
    If conn.State = ConnectionState.Open Then
      conn.Close()
    End If
    C
    conn.ConnectionString = ConnectionString
    conn.Open()
    sql = "CREATE TABLE myTable" + "(myId INTEGER CONSTRAINT PKeyMyId PRIMARY KEY," + _
      "myName CHAR(50) NOT Null, myAddress CHAR(255), myValues FLOAT)"
    cmd = New SqlCommand(sql, conn)
    Try
      cmd.ExecuteNonQuery()
      ' 添加紀錄
      sql = "INSERT INTO myTable(myId, myName, myAddress, myValues) " + _
        "VALUES (1001, _'【孟憲會之精彩世界】之一', 'http://xml.sz.luohuedu.net/', 100 ) "
      cmd = New SqlCommand(sql, conn)
      cmd.ExecuteNonQuery()
      sql = "INSERT INTO myTable(myId, myName, myAddress, myValues) " + _
        "VALUES (1002, '【孟憲會之精彩世界】之二', 'http://www.erp800.com/net_lover/', 99) "
      cmd = New SqlCommand(sql, conn)
      cmd.ExecuteNonQuery()
      sql = "INSERT INTO myTable(myId, myName, myAddress, myValues) " + _
        "VALUES (1003, '【孟憲會之精彩世界】之三', 'http://xml.sz.luohuedu.net/', 99) "
      cmd = New SqlCommand(sql, conn)
      cmd.ExecuteNonQuery()
      sql = "INSERT INTO myTable(myId, myName, myAddress, myValues) " + _
        "VALUES (1004, '【孟憲會之精彩世界】之四', 'http://www.erp800.com/net_lover/', 100) "
      cmd = New SqlCommand(sql, conn)
      cmd.ExecuteNonQuery()
    Catch ae As SqlException
      MessageBox.Show(ae.Message.ToString())
    End Try

  End Sub
  '創建存儲過程
  Private Sub CreateSPBtn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) _
    Handles CreateSPBtn.Click
    sql = "CREATE PROCEDURE myProc AS" + " SELECT myName, myAddress FROM myTable GO"
    ExecuteSQLStmt(sql)
  End Sub
  '創建視圖
  Private Sub CreateViewBtn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) _
    Handles CreateViewBtn.Click
    sql = "CREATE VIEW myView AS SELECT myName FROM myTable"
    ExecuteSQLStmt(sql)

  End Sub
  '修改表
  Private Sub btnAlterTable_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) _
    Handles btnAlterTable.Click
    sql = "ALTER TABLE MyTable ADD newCol datetime NOT NULL DEFAULT (getdate())"
    ExecuteSQLStmt(sql)
  End Sub
  '創建規則和索引
  Private Sub btnCreateOthers_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) _
    Handles btnCreateOthers.Click
    sql = "CREATE UNIQUE INDEX " + "myIdx ON myTable(myName)"
    ExecuteSQLStmt(sql)

    sql = "CREATE RULE myRule " + "AS @myValues >= 90 AND @myValues < 9999"
    ExecuteSQLStmt(sql)
  End Sub

  '刪除表
  Private Sub btnDropTable_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) _
    Handles btnDropTable.Click
    Dim sql As String = "DROP TABLE MyTable"
    ExecuteSQLStmt(sql)
  End Sub
  '    C
    conn.ConnectionString = ConnectionString
    conn.Open()
    Dim da As New SqlDataAdapter("SELECT * FROM myView", conn)
    Dim