vbnet如何在調試時如何選擇英文界面

它會根據操作系統自動選擇語言。

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VB.NET實現多語言(根據操作系統自動選擇語言)系統,可以實現中文,日文,英文界面,實現了多界面操作。

英語（English）是印歐語系-日耳曼語族下的語言，由26個字母組成，是歐盟以及許多國際組織以及英聯邦國家的官方語言，亦是世界上使用最廣泛的語言。它誕生于日德蘭半島和萊茵河流域，通過英國的殖民活動傳播到了世界各地，后因英美兩國經濟、軍事和政治的世界領先地位而成為一種國際語言。

VB.NET 向指定(網頁或軟件)的輸入框內輸入字符,如何實現?

假如Form1有個TextBox1，雙擊TextBox1填入123

Public Class Form1

Declare Function SendMessage Lib "user32" Alias "SendMessageA" (ByVal hwnd As Integer, ByVal wMsg As Long, ByVal wParam As Long, ByVal lParam As Long) As Integer

Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

End Sub

Private Sub TextBox1_DoubleClick(ByVal sender As Object, ByVal e As System.EventArgs) Handles TextBox1.DoubleClick

System.Windows.Forms.SendKeys.Send("123")

End Sub

End Class

看你的VB.NET 版本了

用 My.Computer.Keyboard.SendKeys("123", True) 代替 System.Windows.Forms.SendKeys.Send("123") 也可以

原碼：

Public Class Form1

Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

End Sub

Private Sub TextBox1_DoubleClick(ByVal sender As Object, ByVal e As System.EventArgs) Handles TextBox1.DoubleClick

My.Computer.Keyboard.SendKeys("123", True)

End Sub

End Class

VB.NET,完整并調試程序

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

Dim a() As Integer = {678, 45, 324, 528, 439, 387, 87, 875, 273, 823}

Dim i%, j%, n%, t%, k%

Label1.Text = ""

n = UBound(a)

For i = 0 To n - 1

For j = 0 To n - i - 1

If a(j) a(j + 1) Then

t = a(j)

a(j) = a(j + 1)

a(j + 1) = t

End If

Next j

For k = 0 To n - 1

Label1.Text = a(k) " "

Next

Label1.Text = vbCrLf

Next i

End Sub

這是正確代碼 我已經調試過了。盡請放心

100分求一個用VB.net做的簡單網頁的代碼，謝謝！！！

用vb.net做的校友錄……（附所有源代碼）

來源：不詳 作者 佚名 點擊數：31 錄入時間：07-12-17 15:21:39

想必大家都上過校友錄吧，里面的功能雖然不是很強大，但是為我們這些畢業之后各奔西東的學子來說，到真是提供了一個好的聚集點，下面是我用vb.net做的校友錄，當然也不能說是校友錄了，只能說是我們班的學友錄了：）不過只要你掌握了這種編程思想，校友錄就不在話下了。這里我將重點談一下關于管理員權限賦予。

以前有這個想法的時候，難就難在管理員身份的賦予上，開始想如果一般用戶在被提升為管理員之后，我可以把他的信息轉到另外一個表中，以后登陸的時候先檢查manage表中是否有他就行了，這種辦法我已經實現了，是不是有些笨……可是正在我要正式開工的時候，一個想法突然冒了出來，是什么呢？呵呵，就是在數據庫中再增加一個字段了如果是第一次注冊就讓這個字段item(int)的值為0，要是被提升之后就update為1，班級創始人呢？當然了，在他申請時付給他一個班級id，然后先判斷班級id為這個已經注冊的人信息條數是否為0，如果是，那么就付給他item=2好了。下面的代碼中，我沒有實現這個功能，因為我做的是班友錄的，當然了，我就是管理員嘍：）

在這里，我使用的是checkboxlist(兩個)，一個用來轉換數據（visibe=fause），一個用來顯示數據，還有一個checkbox用來寫全部選中的事件。當然了還有兩個按鈕事件，一個是用來提升為管理員的，一個是用來降級為一般用戶的，這兩個按鈕在判斷為一般用戶時

enable都是為fause的，只有當判斷登錄為管理員時才為true。當然了，如果你是班級創始人，是不可能被降級的：）

這里用來顯示信息的我用的是一個datagrid，當判斷為非管理員時，刪除欄的visible將為fause，為管理員的時候，才為true，也就是說只有管理員才可以刪除信息。而不是注冊的用戶是不能發言的所有的按鈕控件的enable將都為fause。

代碼如下：board.aspx

%@ Page Language="vb" AutoEventWireup="false" Codebehind="boaman.aspx.vb" Inherits="_99re1.boaman"%

!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"

HTML

HEAD

title/title

meta content="Microsoft Visual Studio.NET 7.0" name="GENERATOR"

meta content="Visual Basic 7.0" name="CODE_LANGUAGE"

meta content="javascript" name="vs_defaultClientScript"

meta content="" name="vs_targetSchema"

/HEAD

body background="image/bg.gif" MS_POSITIONING="GridLayout"

form id="Form1" method="post" runat="server"

asp:checkbox id="yourcheck" style="Z-INDEX: 101; LEFT: 84px; POSITION: absolute; TOP: 71px" runat="server" Text="全部選中" AutoPostBack="True" ForeColor="SaddleBrown" Font-Bold="True"/asp:checkbox

asp:button id="Button1" style="Z-INDEX: 102; LEFT: 34px; POSITION: absolute; TOP: 43px" runat="server" Text="提升為管理員" Height="20px" Width="100px" BackColor="Gainsboro" BorderColor="Lavender" BorderWidth="2px" BorderStyle="Outset"/asp:button

asp:button id="Button2" style="Z-INDEX: 103; LEFT: 142px; POSITION: absolute; TOP: 43px" runat="server" Text="降級為一般用戶" Height="20px" Width="100px" BackColor="Gainsboro" BorderColor="Lavender" BorderWidth="2px" BorderStyle="Outset"/asp:button

asp:checkboxlist id="CheckBoxList1" style="Z-INDEX: 104; LEFT: 14px; POSITION: absolute; TOP: 10px" runat="server" Visible="False"/asp:checkboxlist

asp:checkboxlist id="mycheck" style="Z-INDEX: 105; LEFT: 98px; POSITION: absolute; TOP: 99px" runat="server" ForeColor="Navy" Font-Size="X-Small"/asp:checkboxlist

asp:label id="Label1" style="Z-INDEX: 106; LEFT: 82px; POSITION: absolute; TOP: 14px" runat="server" ForeColor="Red" Font-Names="方正姚體"（已注冊用戶）/asp:label

asp:image id="Image1" style="Z-INDEX: 107; LEFT: 260px; POSITION: absolute; TOP: 180px" runat="server" Height="124px" Width="221px" ImageUrl="image/99re1-1.gif"/asp:image

asp:datagrid id="DataGrid1" style="Z-INDEX: 108; LEFT: 250px; POSITION: absolute; TOP: 83px" runat="server" Height="113px" Width="461px" BorderColor="#ffcc66" AutoGenerateColumns="False" HeaderStyle-Font-Size="9" HeaderStyle-HorizontalAlign="Center" HeaderStyle-ForeColor="red" HeaderStyle-Font-Bold="True"

Columns

asp:HyperLinkColumn ItemStyle-ForeColor="navy" ItemStyle-HorizontalAlign="Center" ItemStyle-Height="24" ItemStyle-Font-Size="9" DataNavigateUrlField="stu_id" DataNavigateUrlFormatString="querry.aspx?stu_id={0}" DataTextField="stu_id" HeaderText="學號"/asp:HyperLinkColumn

asp:BoundColumn ItemStyle-ForeColor="navy" ItemStyle-HorizontalAlign="Center" ItemStyle-Width="100" ItemStyle-Font-Size="9" DataField="tel" HeaderText="電話"/asp:BoundColumn

asp:BoundColumn ItemStyle-ForeColor="navy" ItemStyle-HorizontalAlign="Center" ItemStyle-Width="80" ItemStyle-Font-Size="9" DataField="oicq" HeaderText="OICQ"/asp:BoundColumn

asp:BoundColumn ItemStyle-ForeColor="navy" ItemStyle-HorizontalAlign="Center" ItemStyle-Width="140" ItemStyle-Font-Size="9" DataField="email" HeaderText="E-mail"/asp:BoundColumn

asp:BoundColumn ItemStyle-ForeColor="navy" ItemStyle-HorizontalAlign="Center" ItemStyle-Width="60" ItemStyle-Font-Size="9" DataField="point" HeaderText="登錄次數"/asp:BoundColumn

/Columns

/asp:datagrid

/form

/body

/HTML

下面是codebehind中的內容：boaman.asp.vb

Imports System.Data

Imports System.Data.SqlClient

Public Class boaman

Inherits System.Web.UI.Page

Protected WithEvents yourcheck As System.Web.UI.WebControls.CheckBox

Protected WithEvents Button1 As System.Web.UI.WebControls.Button

Protected WithEvents CheckBoxList1 As System.Web.UI.WebControls.CheckBoxList

Protected WithEvents mycheck As System.Web.UI.WebControls.CheckBoxList

Protected WithEvents Label1 As System.Web.UI.WebControls.Label

Protected WithEvents Image1 As System.Web.UI.WebControls.Image

Protected WithEvents DataGrid1 As System.Web.UI.WebControls.DataGrid

Protected WithEvents Button2 As System.Web.UI.WebControls.Button

#Region " Web Form Designer Generated Code "

'This call is required by the Web Form Designer.

System.Diagnostics.DebuggerStepThrough() Private Sub InitializeComponent()

End Sub

Private Sub Page_Init(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Init

'CODEGEN: This method call is required by the Web Form Designer

'Do not modify it using the code editor.

InitializeComponent()

End Sub

#End Region

Dim conn As SqlConnection = New SqlConnection("server=lixinri;uid=sa;pwd=;database=99re1")

Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

'////////////////////判斷是否為過客

If Session("stu_id") = "" Then

Button1.Enabled = False : Button2.Enabled = False

'////////////////////調用check()事件

check()

Else

If Not IsPostBack Then

Dim sql As String = "select * from pwd where stu_id=@stu_id"

Dim comm As SqlCommand = New SqlCommand(sql, conn)

comm.Parameters.Add(New SqlParameter("@stu_id", SqlDbType.Int, 4))

comm.Parameters("@stu_id").Value = Session("stu_id")

Dim dr As SqlDataReader

conn.Open()

dr = comm.ExecuteReader

While dr.Read

If dr.Item("term") = "0" Then

'///////////////////判斷是否為一般用戶

dr.Close()

Button1.Enabled = False : Button2.Enabled = False

Dim sql_1 As String = "select a.stu_id as stu_id,a.term,b.name as name,b.tel as tel,b.call as oicq,b.point as point,b.email from pwd a,stu_base b where a.stu_id=b.stu_id"

Dim cmd As New SqlCommand(sql_1, conn)

dr = cmd.ExecuteReader

While dr.Read

If dr.Item("term") = "1" Then

mycheck.Items.Add("u" dr.Item("name") "/u" "font color=darkorange(管理員)/font")

ElseIf dr.Item("term") = "2" Then

mycheck.Items.Add("u" dr.Item("name") "/u" "font color=red(班級創始人)font")

Else

mycheck.Items.Add("u" dr.Item("name") "/u")

End If

CheckBoxList1.Items.Add(dr.Item("stu_id"))

End While

Else

'////////////////////判斷是否為管理員

dr.Close()

Button1.Enabled = True : Button2.Enabled = True

Dim sql_1 As String = "select a.stu_id as stu_id,a.term,b.name as name,b.tel as tel,b.call as oicq,b.point as point,b.email from pwd a,stu_base b where a.stu_id=b.stu_id"

Dim cmd As New SqlCommand(sql_1, conn)

dr = cmd.ExecuteReader

While dr.Read

If dr.Item("term") = "1" Then

mycheck.Items.Add("u" dr.Item("name") "/u" "font color=darkorange(管理員)/font")

ElseIf dr.Item("term") = "2" Then

mycheck.Items.Add("u" dr.Item("name") "/u" "font color=red(班級創始人)font")

Else

mycheck.Items.Add("u" dr.Item("name") "/u")

End If

CheckBoxList1.Items.Add(dr.Item("stu_id"))

End While

End If

End While

dr.Close()

'////////////////////////取出數據，填充dataset

Dim mysql As String = "select a.stu_id as stu_id,a.term,b.name as name,b.tel as tel,b.call as oicq,b.point as point,b.email from pwd a,stu_base b where a.stu_id=b.stu_id"

comm = New SqlCommand(mysql, conn)

Dim mycomm As SqlDataAdapter = New SqlDataAdapter(mysql, conn)

Dim ds As DataSet = New DataSet()

mycomm.Fill(ds, "base")

DataGrid1.DataSource = ds.Tables("base").DefaultView

DataGrid1.DataBind()

End If

End If

End Sub

'///////////////////////書寫check()事件

Sub check()

If Not IsPostBack Then

Dim mysql As String = "select a.stu_id as stu_id,a.term,b.name as name,b.tel as tel,b.call as oicq,b.point as point,b.email from pwd a,stu_base b where a.stu_id=b.stu_id"

Dim comm As New SqlCommand(mysql, conn)

Dim dr As SqlDataReader

conn.Open()

dr = comm.ExecuteReader

While dr.Read

If dr.Item("term") = "1" Then

mycheck.Items.Add("u" dr.Item("name") "/u" "font color=darkorange(管理員)/font")

ElseIf dr.Item("term") = "2" Then

mycheck.Items.Add("u" dr.Item("name") "/u" "font color=red(班級創始人)font")

Else

mycheck.Items.Add("u" dr.Item("name") "/u")

End If

CheckBoxList1.Items.Add(dr.Item("stu_id"))

End While

dr.Close()

Dim mycomm As SqlDataAdapter = New SqlDataAdapter(mysql, conn)

Dim ds As DataSet = New DataSet()

mycomm.Fill(ds, "base")

DataGrid1.DataSource = ds.Tables("base").DefaultView

DataGrid1.DataBind()

End If

End Sub

'/////////////////////填充yourcheck

Private Sub yourcheck_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles yourcheck.CheckedChanged

Dim i As Integer

For i = 0 To mycheck.Items.Count - 1

If yourcheck.Checked Then

mycheck.Items(i).Selected = True

Else

mycheck.Items(i).Selected = False

End If

Next

End Sub

'///////////////////////提升一般用戶為管理員

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

conn.Open()

Dim i As Integer

For i = 0 To mycheck.Items.Count - 1

If mycheck.Items(i).Selected Then

Dim sql_1 As String = "update pwd set term=1 where stu_id=@stu_id and term=0"

Dim comm As SqlCommand = New SqlCommand(sql_1, conn)

comm.Parameters.Add(New SqlParameter("@stu_id", SqlDbType.Int, 4))

comm.Parameters("@stu_id").Value = CheckBoxList1.Items(i).Text

comm.ExecuteNonQuery()

End If

Next

Response.Redirect("boaman.aspx")

End Sub

'///////////////////////降級管理員為一般用戶

Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click

conn.Open()

Dim i As Integer

For i = 0 To mycheck.Items.Count - 1

If mycheck.Items(i).Selected Then

Dim sql_1 As String = "update pwd set term=0 where stu_id=@stu_id and term=1"

Dim comm As SqlCommand = New SqlCommand(sql_1, conn)

comm.Parameters.Add(New SqlParameter("@stu_id", SqlDbType.Int, 4))

comm.Parameters("@stu_id").Value = CheckBoxList1.Items(i).Text

comm.ExecuteNonQuery()

End If

Next

Response.Redirect("boaman.aspx")

End Sub

End Class

當然了，這里面還有好多不足的地方，懇求高手批評指正。

校友錄還有一些其它的功能就很簡單了，這里就不再探討了。

vb.net 2008 怎樣進入調試模式？怎樣逐語句運行？怎樣添加監視？

在VB環境中執行源代碼，本身就是調試模式

按F8即可逐語句運行

點擊語句左端空白處，將其背景色變為深紅，就是添加斷點，運行到該語句會停下來

可以在變量、對象等語句上點擊右鍵，選擇“添加監視”即可

VB.net2008調試運行時，界面與我設計中的界面有點不一樣，請問是什么問題，如何解決？

我的理解應該是幾個控件容器(如groupbox)不在同一層導致,在容器控件dock屬性設置不是NONE時常會出現這樣的問題,你可以在"布局"工具欄中把容器全設置成頂層,或用"文檔大綱"查看各層的先后順序.

控件容器大小有可能變化時,可以設置其中一個dock屬性為fill

總之,設計時綜合使用層與dock屬性.