教你创建动态MSSQL数据库表(4)_MySQL
时间:2021-07-01 10:21:17
帮助过:33人阅读
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 = " + _
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"'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
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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) "