在VB.NET中 用代码 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

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

<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 = "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