vb.net笔录代码,vbs脚本录制
vb.net操作excel中的记录
试了好久，终于试出来了，把代码发给你分享：
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首先，我建了个窗体，放了一个按扭控件，把打开连接EXECL的代码都放在该按扭的click事件里了，你可以根据需要改动。
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
Dim sConnectionString As String = "Provider=Microsoft.Jet.OLEDB.4.0;" _
"Data Source=E:\myexl.xls;" _
"Extended Properties=Excel 8.0;"
’这里面，E：\myexl.xls换成你自己的excel文件完整路径
Dim objConn As New OleDbConnection(sConnectionString)
objConn.Open()
MsgBox("成功打开连接") ’这句我用来测试能不能连接的，
’下面将建立查询命令
Dim objCmdSelect As New OleDbCommand("SELECT * FROM [11$] where 姓名='李三'", objConn)
'11j是我测试用的sheet名，你换成你自己的，注意格式
'程序默认Excel表的第一行内容为字段名，你换成你自己的内容，并建
'立查询条件
'下面将根据查询条件打开连接。
Dim objAdapter1 As New OleDbDataAdapter()
objAdapter1.SelectCommand = objCmdSelect
'下面将打开的数据放在dataset中
Dim objDataset1 As New DataSet()
objAdapter1.Fill(objDataset1, "XLData")
’下面将数据传给DataGrid1控件
DataGrid1.DataSource = objDataset1.Tables(0).DefaultView
' Clean up objects.
objConn.Close()
End Sub
用vb.net编写记事本源代码
Dim sFileName As String
Dim Search
Private Sub dateTimeMenu_Click()
Text1.Text = Now
End Sub
Private Sub deleteMenu_Click()
Text1.Text = Left(Text1.Text, Text1.SelStart) + Mid(Text1.Text, Text1.SelStart + Text1.SelLength + 1)
End Sub
Private Sub findMenu_Click()
Search = InputBox("请输入要查找的字词：")
Dim Where1 '获取需要查找的字符串变量
Text1.SetFocus '文本框获得焦点，以显示所找到的内容Search = InputBox("请输入要查找的字词：")
Where1 = InStr(Text1.Text, Search) '在文本中查找字符串
If Where1 Then
'若找到则设置选定的起始位置并使找到的字符串高亮
Text1.SelStart = Where1 - 1
Text1.SelLength = Len(Search)
' Me.Caption = Where1 '测试用
'否则给出提示
Else: MsgBox "未找到所要查找的字符串。", vbInformation, "提示"
End If
End Sub
Private Sub findNextMenu_Click()
Dim Where2
Dim StartMe As Integer '查找的起始位置变量
Text1.SetFocus '文本框获得焦点
StartMe = Text1.SelLength + Text1.SelStart + 1 '给变量赋值
Where2 = InStr(StartMe, Text1.Text, Search) '令其从上次找到的地方找起
If Where2 Then
Text1.SelStart = Where2 - 1
Text1.SelLength = Len(Search)
Else: MsgBox "未找到所要查找的字符串.", vbInformation, "提示"
End If
End Sub
Private Sub aboutMenu_Click()
MsgBox Space(2) "文本编辑器版本号1.0" Chr(13) "由西南财经大学天府学院" Chr(13) Space(5) "肖忠 开发" Chr(13) Space(2) "copyright:天府学院"
End Sub
Private Sub allMenu_Click()
Text1.SelStart = 0
Text1.SelLength = Len(Text1.Text)
End Sub
Private Sub backcolorMenu_Click() '设置背景色代码
Form1.CommonDialog1.Action = 3
Text1.BackColor = Form1.CommonDialog1.Color
End Sub
Private Sub colorMenu_Click() '改变文字颜色代码
Form1.CommonDialog1.Action = 3
Text1.ForeColor = Form1.CommonDialog1.Color
End Sub
Private Sub cutMenu_Click()
Clipboard.SetText Text1.SelText
Text1.Text = Left(Text1.Text, Text1.SelStart) + Mid(Text1.Text, Text1.SelStart + Text1.SelLength + 1)
End Sub
Private Sub exitMenu_Click()
End
End Sub
Private Sub fontMenu_Click() '字体菜单代码
Form1.CommonDialog1.Flags = 3 Or 256
Form1.CommonDialog1.Action = 4
If Len(Form1.CommonDialog1.FontName) = 0 Then
Form1.Text1.FontName = "宋体"
Else
Form1.Text1.FontName = Form1.CommonDialog1.FontName
End If
Form1.Text1.FontSize = Form1.CommonDialog1.FontSize
If Form1.CommonDialog1.FontBold = True Then
Form1.Text1.FontBold = True
Else
Form1.Text1.FontBold = False
End If
If Form1.CommonDialog1.FontItalic = True Then
Form1.Text1.FontItalic = True
Else
Form1.Text1.FontItalic = False
End If
Text1.ForeColor = Form1.CommonDialog1.Color
End Sub
Private Sub Form_Load()
Form1.Text1.Width = Form1.Width - 130
Form1.Text1.Height = Form1.Height
End Sub
Private Sub Form_Resize()
Form1.Text1.Width = Form1.Width - 130
Form1.Text1.Height = Form1.Height
End Sub
Private Sub help1Menu_Click()
Form1.CommonDialog1.HelpCommand = cdlHelpForceFile
Form1.CommonDialog1.HelpFile = "c:\windows\system32\winhelp.hlp"
CommonDialog1.ShowHelp
End Sub
Private Sub newMenu_Click()
If Len(Trim(Text1.Text)) = 0 Then
Form1.Caption = "我的记事本" "--" "未命名"
sFileName = "未命名"
Text1.FontSize = 15
Text1.FontName = "宋体"
Text1.Text = ""
Else
Call saveAsMenu_Click
Form1.Caption = "我的记事本" "--" "未命名"
sFileName = "未命名"
Text1.FontSize = 15
Text1.FontName = "宋体"
Text1.Text = ""
End If
End Sub
Private Sub openMenu_Click() '打开文件代码
If Len(Trim(Text1.Text)) = 0 Then
Form1.Caption = "我的记事本"
Form1.CommonDialog1.Filter = "文本文件|*.txt"
Form1.CommonDialog1.Flags = 4096
Form1.CommonDialog1.Action = 1
If Len(Form1.CommonDialog1.FileName) 0 Then
sFileName = Form1.CommonDialog1.FileName
Form1.Caption = Form1.Caption "--" Form1.CommonDialog1.FileTitle
Open sFileName For Input As #1
Text1.FontSize = 15
Text1.FontName = "宋体"
Do While Not EOF(1)
Line Input #1, Text$
All$ = All$ + Text$ + Chr(13) + Chr(10)
Loop
Text1.Text = All
Close #1
End If
Else
Call saveAsMenu_Click
Form1.Caption = "我的记事本"
Form1.CommonDialog1.Filter = "文本文件|*.txt"
Form1.CommonDialog1.Flags = 4096
Form1.CommonDialog1.Action = 1
If Len(Form1.CommonDialog1.FileName) 0 Then
sFileName = Form1.CommonDialog1.FileName
Form1.Caption = Form1.Caption "--" Form1.CommonDialog1.FileTitle
Open sFileName For Input As #1
Text1.FontSize = 15
Text1.FontName = "宋体"
Do While Not EOF(1)
Line Input #1, Text$
All$ = All$ + Text$ + Chr(13) + Chr(10)
Loop
Text1.Text = All
Close #1
End If
End If
End Sub
Private Sub pasteMenu_Click() '粘贴菜单代码
Text1.Text = Left(Text1.Text, Text1.SelStart) + Clipboard.GetText() + Mid(Text1.Text, Text1.SelStart + Text1.SelLength + 1)
End Sub
Private Sub printMenu_Click()
Form1.CommonDialog1.ShowPrinter
For i = 1 To CommonDialog1.Copies
Printer.Print Text1.Text
Printer.Print Text1.Text
Next
Printer.EndDoc
End Sub
Private Sub saveAsMenu_Click() '另存为菜单代码
If Len(Trim(Text1.Text)) 0 Then
Form1.CommonDialog1.DialogTitle = "保存文件"
Form1.CommonDialog1.InitDir = "D:\"
Form1.CommonDialog1.Filter = "文本文件|*.txt"
Form1.CommonDialog1.Flags = 2
Form1.CommonDialog1.ShowSave
If Len(Form1.CommonDialog1.FileName) 0 Then
sFileName = Form1.CommonDialog1.FileName
Open sFileName For Output As #1
whole$ = Text1.Text
Print #1, whole
Close #1
End If
End If
End Sub
Private Sub saveMenu_Click()
If Len(Trim(Text1.Text)) 0 Then
Form1.CommonDialog1.DialogTitle = "保存文件"
Form1.CommonDialog1.InitDir = "D:\"
Form1.CommonDialog1.FileName = "新建文本"
Form1.CommonDialog1.Filter = "文本文件|*.txt"
Form1.CommonDialog1.Flags = 2
Form1.CommonDialog1.ShowSave
If Len(Form1.CommonDialog1.FileName) 0 Then
sFileName = Form1.CommonDialog1.FileName
Open sFileName For Output As #1
whole$ = Text1.Text
Print #1, whole
Close #1
End If
End If
End Sub
Private Sub statusMenu_Click()
End Sub
VB.net中 ListView里有多条记录，textbox控件里输入例如编号， ListView中就显示对应的记录，怎么写代码？
双击 textbox 控件 在里面写 你的 sql 查询语句，然后让listview 显示 就行了
vb.net 怎么把数据库数据一条记录存入数组啊 最好给出代码
Dim da As New DataTable
Dim myda As OleDb.OleDbDataAdapter("SELECT * FROM 表“, oconnection)
myda.Fill(da)
姓名=da.Rows(0)(0) ‘张三
姓名=da.Rows(1)(0) ‘李四
姓名=da.Rows(2)(0) ‘王五
姓名=da.Rows(3)(0) ‘赵六
姓名=da.Rows(4)(0) ‘刘琦
这个不一定要用数组，直接用table就可以操作了。
文章名称：vb.net笔录代码,vbs脚本录制
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