动态创建SQL Server数据库、表、存储过程_[SQL Server教程]
					下面是利用SQL语句创建数据库、表、存储过程、视图、索引、规则、修改表、查看数据等的方法。所要增加的控件如下:
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 窗体设计器生成的代码 "
 '窗体重写处置以清理组件列表。
 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
  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 = "创建数据库"
 '
 'CreateTableBtn
 '
 Me.CreateTableBtn.Location = New System.Drawing.Point(139, 9)
 Me.CreateTableBtn.Name = "CreateTableBtn"
 Me.CreateTableBtn.TabIndex = 1
 Me.CreateTableBtn.Text = "创建表"
 '
 '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 = "创建存储过程"
 '
 'CreateViewBtn
 '
 Me.CreateViewBtn.Location = New System.Drawing.Point(350, 9)
 Me.CreateViewBtn.Name = "CreateViewBtn"
 Me.CreateViewBtn.TabIndex = 3
 Me.CreateViewBtn.Text = "创建视图"
 '
 '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 = "创建规则和索引"
 '
 'btnDropTable
 '
 Me.btnDropTable.Location = New System.Drawing.Point(138, 43)
 Me.btnDropTable.Name = "btnDropTable"
 Me.btnDropTable.TabIndex = 6
 Me.btnDropTable.Text = "删除表"
 '
 'btnViewData
 '
 Me.btnViewData.Location = New System.Drawing.Point(351, 43)
 Me.btnViewData.Name = "btnViewData"
 Me.btnViewData.TabIndex = 7
 Me.btnViewData.Text = "查看数据"
 '
 '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 = "查看存储过程"
 '
 'btnViewView
 '
 Me.btnViewView.Location = New System.Drawing.Point(443, 43)
 Me.btnViewView.Name = "btnViewView"
 Me.btnViewView.TabIndex = 9
 Me.btnViewView.Text = "查看视图"
 '
 '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 = "动态创建SQL Server数据库、表、存储过程等架构信息"
 CType(Me.DataGrid1, System.ComponentModel.ISupportInitialize).EndInit()
 Me.ResumeLayout(False)
 End Sub
#End Region
 ' 创建数据库
 Private Sub CreateDBBtn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) _
 Handles CreateDBBtn.Click
 conn = New SqlConnection(ConnectionString)
 ' 打开连接
 If conn.State <> ConnectionState.Open Then
 conn.Open()
 End If
 'MyDataBase为数据库名称
 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
 '创建表
 Private Sub CreateTableBtn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) _
 Handles CreateTableBtn.Click
 conn = New SqlConnection(ConnectionString)
 ' 打开连接
 If conn.State = ConnectionState.Open Then
 conn.Close()
 End If
 ConnectionString = "Data Source=.;Initial Catalog=MyDataBase;User Id=sa;Password=;"
 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()
 ' 添加纪录
 sql = "INSERT INTO myTable(myId, myName, myAddress, myValues) " + _
 "VALUES (1001, _'【孟宪会之精彩世界】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, '【孟宪会之精彩世界】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, '【孟宪会之精彩世界】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, '【孟宪会之精彩世界】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
 '创建存储过程
 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
 '创建视图
 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
 '创建规则和索引
 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
 '删除表
 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
 '浏览表数据
 Private Sub btnViewData_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) _
 Handles btnViewData.Click
 conn = New SqlConnection(ConnectionString)
 If conn.State = ConnectionState.Open Then
 conn.Close()
 End If
 ConnectionString = "Data Source=.;Initial Catalog=MyDataBase;User Id=sa;Password=;"
 conn.ConnectionString = ConnectionString
 conn.Open()
 Dim da As New SqlDataAdapter("SELECT * FROM myTable", conn)
 Dim ds As New DataSet("myTable")
 da.Fill(ds, "myTable")
 DataGrid1.DataSource = ds.Tables("myTable").DefaultView
 End Sub
 '浏览存储过程
 Private Sub btnViewSP_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) _
 Handles btnViewSP.Click
 conn = New SqlConnection(ConnectionString)
 If conn.State = ConnectionState.Open Then
 conn.Close()
 End If
 ConnectionString = "Data Source=.;Initial Catalog=MyDataBase;User Id=sa;Password=;"
 conn.ConnectionString = ConnectionString
 conn.Open()
 Dim da As New SqlDataAdapter("myProc", conn)
 Dim ds As New DataSet("SP")
 da.Fill(ds, "SP")
 DataGrid1.DataSource = ds.DefaultViewManager
 End Sub
 '浏览视图
 Private Sub btnViewView_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) _
 Handles btnViewView.Click
 conn = New SqlConnection(ConnectionString)
 If conn.State = ConnectionState.Open Then
 conn.Close()
 End If
 ConnectionString = "Data Source=.;Initial Catalog=MyDataBase;User Id=sa;Password=;"
 conn.ConnectionString = ConnectionString
 conn.Open()
 Dim da As New SqlDataAdapter("SELECT * FROM myView", conn)
 Dim ds As New DataSet()
 da.Fill(ds)
 DataGrid1.DataSource = ds.DefaultViewManager
 End Sub
 Private Sub ExecuteSQLStmt(ByVal sql As String)
 conn = New SqlConnection(ConnectionString)
 ' 打开连接
 If conn.State = ConnectionState.Open Then
 conn.Close()
 End If
 ConnectionString = "Data Source=.;Initial Catalog=MyDataBase;User Id=sa;Password=;"
 conn.ConnectionString = ConnectionString
 conn.Open()
 cmd = New SqlCommand(sql, conn)
 Try
 cmd.ExecuteNonQuery()
 Catch ae As SqlException
 MessageBox.Show(ae.Message.ToString())
 End Try
 End Sub
End Class