Dim JBPsql As String = "SELECT 公司销量.商品编码, 公司销量.商品名称, 公司销量.规格, 公司销量.生产厂家, 公司销量.采购价," _ & "sum(公司销量.成交金额)/sum(公司销量.数量) as 均价, (sum(公司销量.成交金额)-sum(公司销量.采购价*公司销量.数量))/sum(公司销量.成交金额) as 毛利率, sum(公司销量.数量) as 销量, sum(公司销量.成交金额) as 金额,公司销量.采购员," _ & "sum(JBP品种.剩余可售) as JBP库存,sum(品种信息.数量) as 公司库存 FROM 公司销量 INNER JOIN JBP品种 ON 公司销量.商品编码 = JBP品种.商品编码 INNER JOIN 品种信息 ON JBP品种.商品编码 = 品种信息.商品编号 " _ & " having ( 公司销量.商品编码 like @spxx or 公司销量.商品名称 like @spxx ) and 公司销量.平台='聚宝盆' and datediff(day,@qsri,公司销量.日期)>=0 and datediff(day,公司销量.日期,@zzrq)>=0 and sum(公司销量.成交金额) > 0 and sum(公司销量.数量)>0 group by " _ & " 公司销量.商品编码, 公司销量.商品名称, 公司销量.规格, 公司销量.生产厂家, 公司销量.采购价,公司销量.采购员" 'order by sum(公司销量.成交金额) desc " Dim JBPcmd As New SqlCommand(JBPsql, conn) JBPcmd.Parameters.AddWithValue("@spxx", "%" + Replace(Trim(UCase(TextBoxX1.Text)), Chr(13) + Chr(10), "") + "%") JBPcmd.Parameters.AddWithValue("@qsri", DateTimeInput1.Value) JBPcmd.Parameters.AddWithValue("@zzrq", DateTimeInput2.Value) Dim adapter As New SqlDataAdapter(JBPcmd) 这段代码提示group 附近错误

Try Dim fbd As FolderBrowserDialog = New FolderBrowserDialog() If fbd.ShowDialog() = DialogResult.OK Then Dim path As String = fbd.SelectedPath() Dim fileNameList As ObjectModel.ReadOnlyCollection(Of String) = My.Computer.FileSystem.GetFiles(path) For Each row As DataGridViewRow In DataGridView1.Rows Dim fileID As String = row.Cells(7).Value.ToString Dim plmID As String = row.Cells(8).Value.ToString Dim rowFileName As String = plmID & ".pdf" Dim filePath As String = "" '标准滤芯的上传路径 If plmID.StartsWith("504") Then filePath = "标准滤芯图纸" Else filePath = "产品资料/" & row.Cells(0).Value.ToString & "/工艺上传文件" End If For i = 0 To fileNameList.Count - 1 Dim fileName As String = My.Computer.FileSystem.GetName(fileNameList(i)) If rowFileName.Equals(fileName) Then Dim ftpFileName = "" '标准滤芯下的图纸使用PLM编码命名 If plmID.StartsWith("504") Then plmID = plmID.Replace("#", "$") ftpFileName = plmID & ".pdf" Else If fileID.Equals("0") Then ftpFileName = plmID & ".pdf" Else ftpFileName = fileID & ".pdf" End If End If '上传文件 FH.FtpUploadFile(path & "\" & fileName, filePath, ftpFileName) row.Cells(6).Value = "是" Exit For End If Next Next MsgBox("图纸上传成功！") End If Catch ex As Exception MsgBox("图纸上传失败！") End Try（翻译为C#）

// 标准滤芯下的图纸使用PLM编码命名 if (plmID.StartsWith("504")) { plmID = plmID.Replace("#", "$"); ftpFileName = plmID + ".pdf"; } else { if (fileID.Equals("0")) { ftpFileName = plmID + "....

Function getSourceHtml(ByVal url As String) As StringDim result As String = Try Dim i As Integer = Int(Rnd(Now.Second) * 10 + 1)Dim web As New System.Net.WebClient () web.Headers.Add("Content-Type", "application/x-www-form-urlencoded”Dim d As Byte () = System. Text.Encoding.UTF8.GetBytes(""Dim res As Byte() = web.UploadData(url"POST"，d)result = Encoding.UTF8.GetString(res Catch ex As ExceptionMsgBox(ex.Message End Try Return result End Function 中文乱码是什么问题？

Dim result As String = "" Try Dim i As Integer = Int(Rnd(Now.Second) * 10 + 1) Dim web As New System.Net.WebClient() web.Headers.Add("Content-Type", "application/x-www-form-urlencoded") ' 构造...

Public Shared myData As String = Label2.Text

Public Shared myData As String = "" 在 Form2 中，通过控件的名字获取 Label2 实例，并把它的值赋给 myData 变量： Dim label2 As Label = Form1.Controls("Label2") Form1.myData = label2.Text ...

Private Sub Button2_Click(ByVal sender As Object, ByVal e As EventArgs) Handles Button2.Click Dim comboBoxValue As String = ComboBox1.Text Dim filePath As String = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.Desktop), "abc.txt") If File.Exists(filePath) Then Dim existingText As String = File.ReadAllText(filePath) Dim lines() As String = existingText.Split(Environment.NewLine.ToCharArray(), StringSplitOptions.RemoveEmptyEntries) Dim updatedLines As New List(Of String)() ' 遍历每一行 For Each line As String In lines ' 检查行是否以ComboBox1的值开头 If Not line.StartsWith(comboBoxValue & ",") Then ' 不是匹配的行，将其添加到更新列表中 updatedLines.Add(line) End If Next File.WriteAllText(filePath, String.Join(Environment.NewLine, updatedLines)) MessageBox.Show("已成功删除文本文件中对应的行。") Else MessageBox.Show("文本文件不存在。") End If End Sub 修改以上代码的BUG

Dim filePath As String = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.Desktop), "abc.txt") If File.Exists(filePath) Then Dim existingText As String = File.ReadAllText(filePath)...

Public Shared myData As String = Label1.Text

Public Shared myData As String = myForm.Label1.Text ' 通过实例来访问 Label1 的文本内容但是要注意，这种方式可能会导致内存泄漏，因为静态成员会一直存在于内存中，而实例可能会被销毁。所以最好不要在...

优化这段代码：' 设置表格的行数和列数 If 现场工况.rh = 1 Then GoTo 1 Else GoTo 2 1： DataGridView1.DataSource = 滤材选型推荐.dtnew GoTo 3 2： DataGridView1.DataSource = 滤材选型推荐.dtnew1 GoTo 3 3: Dim numRows As Integer = DataGridView1.Rows.Count Dim numCols As Integer = DataGridView1.Columns.Count ' 创建一个表格对象 Dim oTable As Microsoft.Office.Interop.Word.Table = odoc.Tables.Add(odoc.Bookmarks.Item("\endofdoc").Range, numRows + 1, numCols) ' 设置表格样式 oTable.Borders.InsideLineStyle = Microsoft.Office.Interop.Word.WdLineStyle.wdLineStyleSingle oTable.Borders.OutsideLineStyle = Microsoft.Office.Interop.Word.WdLineStyle.wdLineStyleSingle oTable.Borders.OutsideLineWidth = Microsoft.Office.Interop.Word.WdLineWidth.wdLineWidth150pt oTable.Borders.InsideLineStyle = Microsoft.Office.Interop.Word.WdLineStyle.wdLineStyleInset oTable.Rows.Alignment = Word.WdRowAlignment.wdAlignRowCenter ' 添加表头 For j As Integer = 0 To numCols - 1 oTable.Cell(1, j + 1).Range.Text = DataGridView1.Columns(j).HeaderText Next ' 添加数据 For i As Integer = 0 To numRows - 1 For j As Integer = 0 To numCols - 1 oTable.Rows.Alignment = Word.WdRowAlignment.wdAlignRowCenteroTable.Cell(i + 1, j + 1).Range.Text = DataGridView1.Rows(i).Cells(j).Value.ToString() Next Next

Dim oTable As Microsoft.Office.Interop.Word.Table = odoc.Tables.Add(odoc.Bookmarks.Item("\endofdoc").Range, numRows + 1, numCols) ' 设置表格样式 oTable.Borders.InsideLineStyle = Microsoft.Office....

Dim connectionString As String = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source='" & filePath & "';Extended Properties='Excel 12.0 Xml;HDR=YES';" Using connection As New OleDbConnection(connectionString) connection.Open() Dim command As New OleDbCommand() command.Connection = connection ' 从上至下依次为 F1 列的数据赋值 For i As Integer = 1 To 10 Dim updateSql As String = $"UPDATE [Sheet1$] SET F1 = 'A{i}' WHERE ID = {i}" command.CommandText = updateSql command.ExecuteNonQuery() Next connection.Close() End Using 代码中有错误

Dim connectionString As String = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" & filePath & ";Extended Properties='Excel 12.0 Xml;HDR=YES';" 请确保在执行代码之前，filePath变量已经正确地分配...

Sub ExportDialog() Dim dlgSave As FileDialog Set dlgSave = Application.FileDialog(msoFileDialogSaveAs) With dlgSave .Title = "Export Dialog" .InitialFileName = "Dialog.txt" .FilterIndex = 2 'Text Files If .Show = -1 Then Dim path As String path = .SelectedItems(1) Dim dialogText As String dialogText = ActiveDocument.Range.Text Open path For Output As #1 Print #1, dialogText Close #1 End If End With End Sub给个代码注释

Dim dialogText As String ' 定义一个名为 dialogText 的字符串变量 dialogText = ActiveDocument.Range.Text ' 获取当前文档中的所有文本 Open path For Output As #1 ' 打开指定路径的文件 Print #1, dialog...

Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click Dim xh As String Dim tqd As String xh = Val(TextBox1.Text) tqd = Val（TextBox2.Text） Dim conn As String = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source= C:\Users\Andrew\OneDrive\文件\研究生\油水\油水选型软件\Database1.mdb" Using connection As New OleDbConnection(conn) ' 打开连接 connection.Open() ' 创建 SQL 查询语句 Dim query As String = "SELECT xh FROM Sheet1" ' 创建命令对象 Using command As New OleDbCommand(query, connection) ' 添加参数 ' command.Parameters.AddWithValue("@param1", "%" & searchTerm & "%") ' 创建数据适配器 Using adapter As New OleDbDataAdapter(command) ' 创建数据集 Dim dataSet As New DataSet() ' 填充数据集 adapter.Fill(dataSet, "Sheet1") ' 将数据集绑定到 DataGridView 控件 DataGridView1.DataSource = dataSet.Tables("myTable") End Using End Using ' 关闭连接 connection.Close() End Using 优化这段代码

Dim query As String = "SELECT xh FROM Sheet1 WHERE xh = @xh AND tqd = @tqd" Using cmd As New OleDbCommand(query, conn) cmd.Parameters.AddWithValue("@xh", xh) cmd.Parameters.AddWithValue("@tqd", ...

Dim oCL As CaptionLabel Dim oDoc As Document Dim oRng As Range Dim oT As Table Set oT = Selection.Tables(1) Set oDoc = Word.ActiveDocument Set oCL = Word.CaptionLabels.Add("表") With oCL .IncludeChapterNumber = True .NumberStyle = wdCaptionNumberStyleArabic .ChapterStyleLevel = 2 .Separator = wdSeparatorHyphen End With Set oRng = oT.Range With oRng .InsertCaption "表", "" .InsertBefore Chr(13) .SetRange .Start, .Start ' 获取当前表格的编号 Dim currentNum As String currentNum = oT.Range.Information(wdCaptionNumber) ' 插入表格的交叉引用 Word.Selection.InsertCrossReference "表", wdOnlyLabelAndNumber, currentNum .InsertBefore "详见" End With上述代码currentNum = oT.range.Information(wdCaptionNumber)提示：对象已被删除，请修改

Dim currentNum As String currentNum = oRng.Information(wdCaptionNumber) ' 将获取编号的代码修改为 oRng.Information(wdCaptionNumber) ' 插入表格的交叉引用 Word.Selection.InsertCrossReference "表", ...

Dim boxID As String = DataGridView1.SelectedRows(0).Cells("BoxID").Value中报错，原因是“索引超出范围，必须为非负值且小于集合大小”应该怎么改正？

Dim boxID As String = DataGridView1.SelectedRows(0).Cells("BoxID").Value ' 继续执行代码 Else ' 显示错误消息或采取其他适当的措施 End If 这将检查是否选择了至少一行，如果是，则继续执行代码。否则...

优化修改以下vb语言 Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click Dim User As String Dim Password As String Dim sqlstr As String User = Me.TextBox1.Text.Trim Password = Me.TextBox2.Text.Trim sqlstr = "SELECT users.UserName, users.RealName, users.RoleName from users" MsgBox(sqlstr) Dim objDataRow As DataRow Try objDataRow = GetDataFromDB(sqlstr).Tables.Item(0).Rows(0) Catch MsgBox("密码和账号不符，请重试，并检查该账号是否存在。", MsgBoxStyle.Information + MsgBoxStyle.OkOnly, "系统登录失败") Me.TextBox2.Text = "" Exit Sub End Try UserName = objDataRow.Item("UserName") RealName = objDataRow.Item("RealName") RoleName = objDataRow.Item("RoleName") Dim frmmain As New MainForm() frmmain.Show() '登录成功，跳转到主窗体界面 Me.Finalize() End Sub

Dim Password As String Dim sqlstr As String User = Me.TextBox1.Text.Trim Password = Me.TextBox2.Text.Trim ' 输入验证 If String.IsNullOrEmpty(User) OrElse String.IsNullOrEmpty(Password) Then ...

' 声明一个 DataTable 用于存储查询结果 Dim dt As New DataTable() ' 获取查询条件 Dim keyword As String = TextBox1.Text.Trim() ' 构造查询语句 Dim sql As String = "SELECT * FROM 表名 WHERE 字段名 LIKE '%" & keyword & "%'" ' 创建并打开数据库连接 Using conn As New SqlConnection("连接字符串") conn.Open() ' 创建一个 SqlDataAdapter，并使用查询语句和数据库连接初始化它 Dim adapter As New SqlDataAdapter(sql, conn) ' 将查询结果填充到 DataTable 中 adapter.Fill(dt) End Using ' 将查询结果绑定到 DataGridView 控件中 DataGridView1.DataSource = dt 优化这段代码

Dim sql As String = "SELECT * FROM 表名 WHERE 字段名 LIKE @keyword" Dim cmd As New SqlCommand(sql) cmd.Parameters.AddWithValue("@keyword", "%" & keyword & "%") ' 创建并打开数据库连接 Using conn As New...

error BC30037: Character is not valid. 这个error 的位置是 Dim strSQL As String = $"SELECT SettingName, SettingValue FROM SI_SETTING Where ApplicationName = 'EDA1085' And SiteCode = '{HttpContext.Current.Application("SiteCode") }' And SettingName in ('ImportLocation','ProcessedFileRoot')" 这段代码有什么问题?

Dim strSQL As String = $"SELECT SettingName, SettingValue FROM SI_SETTING Where ApplicationName = 'EDA1085' And SiteCode = '{HttpContext.Current.Application("SiteCode")}' And SettingName in ('...

Public Sub Search() Dim dateSql = EndTime.Value.ToString("yyyy-MM-dd") Dim sql As String If CmbItem.SelectedValue = "ProductName" Then sql = $"where M_StencilDetails.StencilID in (select StencilID from M_StencilAndProduct where ProductName like '%{TxtCondition.Text}%') " ElseIf CmbItem.SelectedValue = "StencilID" Then sql = $"where M_StencilDetails.{CmbItem.SelectedValue} like '%{TxtCondition.Text}%' " Else sql = $"where {CmbItem.SelectedValue} like '%{TxtCondition.Text}%' " End If If cmbWorkShop.Text <> "ALL" Then sql &= $"and workshop = '{cmbWorkShop.Text}'" End If If CheckBox1.Checked = False Then sql &= " and StateID != 2" End If Dim dt As DataTable = SparesBLL.GetStencilData(dateSql, sql) If dt.Rows.Count <> 0 Then Dim dtRow As DataRow() = dt.Select("StencilUsesCount>=280000 and StateID <> 2") cursorDt = dt.Clone For Each item As DataRow In dtRow cursorDt.ImportRow(item) Next If cursorDt IsNot Nothing Then tsbLink.Text = cursorDt.Rows.Count tsbLink.Visible = True tsbTipText.Visible = True End If End If DgvStencil.DataSource = dt End Sub 请在保持原有代码逻辑的情况下优化下以下代码，尽可能提升代码的可读性、可维护性、性能……，并给出优化的理由。

Dim sql As String = "" '根据查询条件构造SQL语句 Select Case CmbItem.SelectedValue Case "ProductName" sql = $"where M_StencilDetails.StencilID in (select StencilID from M_StencilAndProduct where...

帮我改错：Private Sub seek_Click() Dim mystyle As String Dim mycon As ADODB.Connection Set mycon = New ADODB.Connection mystyle = "学号" mycon.Open "dsn=mymy", "sa" Set myres1 = New ADODB.Recordset myres1.Open "select * from 班级情况 where " & mystyle & " = " & Text6.Text & "'", mycon, adOpenDynamic, adLockOptimistic If myres1.BOF And myres1.EOF Then Text1.Text = "" Text2.Text = "" Text3.Text = "" Text4.Text = "" Text5.Text = "" MsgBox "没有满足条件的记录！" Else Text1.Text = myres1.Fields(0) Text2.Text = myres1.Fields(1) Text3.Text = myres1.Fields(2) Text4.Text = myres1.Fields(3) Text5.Text = myres1.Fields(4) MsgBox "查询成功！" End If End Sub

Dim mystyle As String Dim mycon As ADODB.Connection Dim myres1 As ADODB.Recordset '需要声明myres1变量 Set mycon = New ADODB.Connection mystyle = "学号" mycon.Open "dsn=mymy", "sa" Set myres1 ...

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