vb.net2008教程 vbnet implements

vb.net 2008 怎样进入调试模式？怎样逐语句运行？怎样添加监视？

在VB环境中执行源代码vb.net2008教程，本身就是调试模式

按F8即可逐语句运行

点击语句左端空白处vb.net2008教程，将其背景色变为深红vb.net2008教程，就是添加断点vb.net2008教程，运行到该语句会停下来

可以在变量、对象等语句上点击右键vb.net2008教程，选择“添加监视”即可

相关问答

Q1: vb．net2008

vb6的操作方法是:

在form的load里，botton2,4的visable=false.

button1的click里，button2.visable=true

button3的click里，button4.visable=true,button2.visable=false

Q2: vb.net（2008）怎样连接Access数据库（2007）

我没用的2008 ,这是2005里我写的

Dim constr As String = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" Application.StartupPath "\zr.mdb;Jet OLEDB:Database Password=1234 "

Dim olecon As OleDbConnection

olecon = New OleDbConnection(constr)

Dim comstr As String = "select * from cb where cname='ww'"

Dim comm As New OleDbCommand(comstr, olecon)

Dim rr As OleDbDataReader

rr = comm.ExecuteReader

If rr.Read() Then

messagebox.show("查询记录成功")

rr.Close()

comm.Dispose()

olecon.Close()

olecon.Dispose()

End If

Q3: 怎样用vb.net2008读写注册表?

（1）添加项

Dim reg As RegistryKey

reg = Registry.CurrentUser

reg = reg.OpenSubKey("Software\Microsoft\Internet Explorer\Main", True)

reg.SetValue("Window Title", Me.TextBox1.Text)

（2）读取项

Dim reg As RegistryKey

Dim regStr As String

reg = Registry.CurrentUser

reg = reg.OpenSubKey("Software\Microsoft\Internet Explorer\Main", True)

regStr = reg.GetValue("Window Title")

Me.TextBox1.Text = regStr

（3）删除项

Dim reg As RegistryKey

reg = Registry.CurrentUser

reg = reg.OpenSubKey("Software\Microsoft\Internet Explorer\Main", True)

reg.DeleteValue("Window Title")

Q4: 急高手帮忙教下怎么用VB.NET2008做个查询学生课程信息的资料库啊？？？

vb.net2008教程我用vb做vb.net2008教程了一个程序对数据库中vb.net2008教程的数据进行排序vb.net2008教程，程序如下vb.net2008教程：

标准模块：

Type nas

custno As Integer

last_name As String

first_name As String

vip_status As String

address1 As String

assress2 As String

city As String

state As String

post_code As String

country As String

phone As String

fax As String

email As String

remarks As String

End Type

窗体模块：

Option Base 1

Dim aa(30) As nas

Dim t As nas

Private Sub Command1_Click()

Open "e:\vbb\custoly.db" For Random As #1

For i = 1 To 30

Get #1, i, aa(i)

i = i + 1

Next i

For j = 1 To 29

For k = j + 1 To 30

If aa(j).last_name aa(k).last_name Then

t = aa(j)

aa(j) = aa(k)

aa(k) = t

End If

Next k

Next j

For p = 1 To 30

print aa(p).last_name

Next p

End Sub

Q5: vb.net vs2008中，如何把常用代码编写成一个模块，然后在不同的窗体中调用？

我vb.net2008教程的思路是，新建一个“类库”项目，在项目里编写一个类，然后生成，就会得到dll文件。在别的项目里，添加对这个dll文件的引用，就可以使用我们编写的类vb.net2008教程了。

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