Imports System
Imports System.Data '引入数据类库
Imports System.Data.SqlClient '引入SQL Server类库（用来访问SQL Server)

Module Module1
Sub Main()
AddRecord() '增加记录

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RemoveRecord() '删除记录
Pause()
End Sub 软件开发网 www.mscto.com

Sub Pause()
Console.WriteLine("Press Enter To Continue...")
Console.ReadLine()
End Sub

Sub AddRecord()
'定义连接字符串
Dim sConnectionString As String _
= "User ID=sa;Initial Catalog=pubs;Data Source=(local)"
'定义一个SQL连接对象
Dim objConn As New SqlConnection(sConnectionString)
'连接对象
objConn.Open()
'定义一个插入记录命令字符
Dim sSQL As String = "INSERT INTO Employee " & _
"(emp_id, fname, minit, lname, job_id, job_lvl, pub_id, hire_date)" & _
"VALUES ('MSD12923F', 'Duncan', 'W', 'Mackenzie', " & _

Dim objCmd As New SqlCommand(sSQL, objConn)
Try
objCmd.ExecuteNonQuery() '执行插入动作
Catch e As Exception
Console.WriteLine(e.Message) '无法执行时提示出错信息
End Try
Console.WriteLine("Record Added")
End Sub 软件开发网 www.mscto.cn

Sub RemoveRecord()
Dim sConnectionString As String _
= "User ID=sa;Initial Catalog=pubs;Data Source=(local)"
Dim objConn As New SqlConnection(sConnectionString)
objConn.Open()
Dim sSQL As String = "DELETE FROM Employee WHERE emp_id = @emp_id"
Dim objCmd As New SqlCommand(sSQL, objConn) 软件开发网 www.mscto.cn

objCmd.Parameters.Add("@emp_id", SqlDbType.Char, 9)
objCmd.Parameters.Item("@emp_id").Value = "MSD12923F"

Try
objCmd.ExecuteNonQuery()
Console.WriteLine("Record Deleted")
Catch e As Exception
Console.WriteLine(e.ToString)
End Try
Console.ReadLine()
End Sub

End Module 软件开发网 www.mscto.com