如何使用 vb.net 从查询创建 Access 报告
How to create an Access report from a query using vb.net
让我解释一下要做什么。我有一个与访问数据库链接的 vb.net 表单。该表单使您可以进行查询并搜索数据库。现在我想添加选项以从同一查询打印报告。
这是我的表格的样子：
- 我想让用户选择他想在报告中看到的内容
- 根据查询创建报告
- 能够预览报告
打印出来
我在任何地方都找不到如何使用特定查询创建报告。
我能做什么:
- 我能够使用此 link.
打印已在访问中创建的报告
- 我能够在 excel sheet.
中打印显示查询结果
这是我连接到数据库并在 excel
中显示结果的代码部分
' Connect to the database and send the query
Dim con As New OleDb.OleDbConnection
Dim ds As New DataSet
Dim da As OleDb.OleDbDataAdapter
Dim MaxRows As Integer
Try
con.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=|DataDirectory|\docs-management.mdb"
con.Open()
da = New OleDb.OleDbDataAdapter(sql, con)
da.Fill(ds, "DocList")
' Discover if there's a successful search
MaxRows = ds.Tables("DocList").Rows.Count
If MaxRows = 0 Then
MsgBox("No documents were found using this filter.")
con.Close()
Exit Sub
End If
Dim YesOrNoAnswerToMessageBox As String
Dim QuestionToMessageBox As String
QuestionToMessageBox = MaxRows & " Document(s) have been found and will be put into an excel spreadsheet." & _
vbCrLf & "Would you like to continue?"
YesOrNoAnswerToMessageBox = MsgBox(QuestionToMessageBox, vbYesNo, "Narrowing your search")
If YesOrNoAnswerToMessageBox = vbNo Then
Exit Sub
Else
End If
Dim oExcel As Object
Dim oBook As Object
Dim oSheet As Object
oExcel = CreateObject("Excel.Application")
oExcel.Visible = True
oBook = oExcel.Workbooks.Add
oSheet = oBook.Worksheets(1)
'Transfer the data to Excel
For columns = 0 To ds.Tables("DocList").Columns.Count - 1
oSheet.Cells(1, columns + 1) = ds.Tables("DocList").Columns(columns).ColumnName
Next
oSheet.Rows("1:1").Font.Bold = True
For col = 0 To ds.Tables("DocList").Columns.Count - 1
For row = 0 To ds.Tables("DocList").Rows.Count - 1
oSheet.Cells(row + 2, col + 1) = ds.Tables("DocList").Rows(row).ItemArray(col)
' This is where we make hyperlinks out of the file locations
If ds.Tables("DocList").Columns(col).ToString = "File_Location" Then
oSheet.Hyperlinks.Add(Anchor:=oSheet.Cells(row + 2, col + 1), Address:=ds.Tables("DocList").Rows(row).ItemArray(col), TextToDisplay:=ds.Tables("DocList").Rows(row).ItemArray(col))
End If
Next
Next
con.Close()
Catch
MsgBox("An error has been generated while contacting or transfering data from the database.")
End Try
下面是一些示例代码，它使用 OleDbConnection 和 Interop.Excel 生成工资报告。我认为这在这里是相关的，因为返回的行可能有也可能没有所有列的值。报告是在 Excel 中动态构建的，省略了没有值的列。
Private Sub PayGrid_Report()
'PayGrid Report
If MessageBox.Show("Did you select a payperiod?",
"Just checking...",
MessageBoxButtons.YesNo,
MessageBoxIcon.Question) = Windows.Forms.DialogResult.No Then Exit Sub
Dim wb As Microsoft.Office.Interop.Excel.Workbook
Dim ws As Microsoft.Office.Interop.Excel.Worksheet
Dim xl As New Microsoft.Office.Interop.Excel.Application
'Create a save file dialog
Dim SaveFileDialog1 As SaveFileDialog
With SaveFileDialog1
.Filter = "Excel Workbooks|*.xlsx"
.AddExtension = True
.RestoreDirectory = True
.Title = "Save Report"
.OverwritePrompt = True
End With
'Ask the user where to save the file.
If SaveFileDialog1.ShowDialog() <> System.Windows.Forms.DialogResult.OK Then Exit Sub
Cursor = Cursors.WaitCursor 'spin the cursor so the user doesn't think it "froze"
'Set up the connection to the database
Dim dbConn As New System.Data.OleDb.OleDbConnection("Valid Connection String Here")
dbConn.Open()
Dim dbComm As New System.Data.OleDb.OleDbCommand
With dbComm
.Connection = dbConn
.CommandType = CommandType.StoredProcedure
.CommandText = "PayrollFunctions"
.Parameters.Add("PayPeriod", OleDbType.VarChar).Value = "2015P06" 'usually get a value from the form
.Parameters.Add("OutputType", OleDbType.Integer).Value = 4 'usually get a value from the form
End With
'start a data reader
Dim r As System.Data.OleDb.OleDbDataReader = dbComm.ExecuteReader(CommandBehavior.CloseConnection)
Dim rownum As Int32 = 0 'the row to write to in Excel
Dim t As Int32 'Top of each "report item" - used for formatting
Dim b As Int32 'Bottom of each "report item" - used for formatting
xl.Visible = True 'show Excel so the user can see the report building
wb = xl.Workbooks.Add() 'add a workbook to Excel
ws = wb.Sheets.Add 'add a sheet to the workbook
ws.Name = "PayGrid_Report" 'name the sheet
While r.Read()
rownum += 2
t = rownum
ws.Cells(rownum, 2) = r("EmployeeID")
ws.Cells(rownum, 3) = r("EmployeeName")
ws.Cells(rownum, 4) = r("PayrollDepartment")
ws.Range(ws.Cells(rownum, 2), ws.Cells(rownum, 4)).Font.Bold = True
If r("RegularHours") > 0 Then
rownum += 1
b = rownum
ws.Cells(rownum, 5) = "Regular Hours:"
ws.Cells(rownum, 6) = r("RegularHours")
ws.Cells(rownum, 7) = "@"
ws.Cells(rownum, 8) = r("RateReg")
ws.Cells(rownum, 9) = "="
ws.Cells(rownum, 10) = r("RegDollars")
End If
If r("OTHours") > 0 Then
rownum += 1
b = rownum
ws.Cells(rownum, 5) = "Overtime Hours:"
ws.Cells(rownum, 6) = r("OTHours")
ws.Cells(rownum, 7) = "@"
ws.Cells(rownum, 8) = r("RateOT")
ws.Cells(rownum, 9) = "="
ws.Cells(rownum, 10) = r("OTDollars")
End If
If r("LeaveHours") > 0 Then
rownum += 1
b = rownum
ws.Cells(rownum, 5) = "Vacation Hours:"
ws.Cells(rownum, 6) = r("LeaveHours")
ws.Cells(rownum, 7) = "@"
ws.Cells(rownum, 8) = r("RateVac")
ws.Cells(rownum, 9) = "="
ws.Cells(rownum, 10) = r("LeaveDollars")
End If
If r("HolidayHours") > 0 Then
rownum += 1
b = rownum
ws.Cells(rownum, 5) = "Holiday Hours:"
ws.Cells(rownum, 6) = r("HolidayHours")
ws.Cells(rownum, 7) = "@"
ws.Cells(rownum, 8) = r("RateHol")
ws.Cells(rownum, 9) = "="
ws.Cells(rownum, 10) = r("HolidayDollars")
End If
If r("OtherHours") > 0 Then
If r("RateOtherBas") > 0 Then
rownum += 1
b = rownum
ws.Cells(rownum, 5) = "Other Hours:"
ws.Cells(rownum, 6) = r("OtherHours")
ws.Cells(rownum, 7) = "@"
ws.Cells(rownum, 8) = r("RateOtherBas")
ws.Cells(rownum, 9) = "="
ws.Cells(rownum, 10) = r("OtherBaseDollars")
End If
If r("RateOtherHol") > 0 Then
rownum += 1
b = rownum
ws.Cells(rownum, 5) = "Other Holiday:"
ws.Cells(rownum, 6) = r("OtherHours")
ws.Cells(rownum, 7) = "@"
ws.Cells(rownum, 8) = r("RateOtherHol")
ws.Cells(rownum, 9) = "="
ws.Cells(rownum, 10) = r("OtherHolDollars")
End If
If r("RateOtherVac") > 0 Then
rownum += 1
b = rownum
ws.Cells(rownum, 5) = "Other Vacation:"
ws.Cells(rownum, 6) = r("OtherHours")
ws.Cells(rownum, 7) = "@"
ws.Cells(rownum, 8) = r("RateOtherVac")
ws.Cells(rownum, 9) = "="
ws.Cells(rownum, 10) = r("OtherVacDollars")
End If
If r("RateOtherBen") > 0 Then
rownum += 1
b = rownum
ws.Cells(rownum, 5) = "Other Benefits:"
ws.Cells(rownum, 6) = r("OtherHours")
ws.Cells(rownum, 7) = "@"
ws.Cells(rownum, 8) = r("RateOtherBen")
ws.Cells(rownum, 9) = "="
ws.Cells(rownum, 10) = r("OtherBenDollars")
End If
End If 'If r("OtherHours") > 0
rownum += 1
b = rownum
ws.Cells(rownum, 5) = "Total:"
ws.Cells(rownum, 6) = r("TotalHours")
ws.Cells(rownum, 10) = r("TotalDollars")
ws.Range(ws.Cells(rownum, 5), ws.Cells(rownum, 10)).Font.Bold = True
'create border around report item
Dim LS As Microsoft.Office.Interop.Excel.XlLineStyle = Microsoft.Office.Interop.Excel.XlLineStyle.xlContinuous
Dim BW As Microsoft.Office.Interop.Excel.XlBorderWeight = Microsoft.Office.Interop.Excel.XlBorderWeight.xlThin
With ws.Range(ws.Cells(t, 2), ws.Cells(b, 10))
.Borders(Microsoft.Office.Interop.Excel.XlBordersIndex.xlEdgeTop).LineStyle = LS
.Borders(Microsoft.Office.Interop.Excel.XlBordersIndex.xlEdgeTop).Weight = BW
.Borders(Microsoft.Office.Interop.Excel.XlBordersIndex.xlEdgeBottom).LineStyle = LS
.Borders(Microsoft.Office.Interop.Excel.XlBordersIndex.xlEdgeBottom).Weight = BW
.Borders(Microsoft.Office.Interop.Excel.XlBordersIndex.xlEdgeLeft).LineStyle = LS
.Borders(Microsoft.Office.Interop.Excel.XlBordersIndex.xlEdgeLeft).Weight = BW
.Borders(Microsoft.Office.Interop.Excel.XlBordersIndex.xlEdgeRight).LineStyle = LS
.Borders(Microsoft.Office.Interop.Excel.XlBordersIndex.xlEdgeRight).Weight = BW
End With
End While
r.Close()
ws.Columns.AutoFit()
ws.Range(ws.Cells(1, 1), ws.Cells(1, 1)).ColumnWidth = 0.42
'Format the page setup
ws.PageSetup.Orientation = Microsoft.Office.Interop.Excel.XlPageOrientation.xlPortrait
ws.PageSetup.FitToPagesWide = 1
ws.PageSetup.FitToPagesTall = 99
ws.PageSetup.LeftHeader = "Paygrid Report"
ws.PageSetup.CenterHeader = "Pay Period 06"
ws.PageSetup.RightHeader = "Page &P of &N"
ws.PageSetup.LeftFooter = "Generated " & Today.ToShortDateString
wb.SaveAs(SaveFileDialog1.FileName)
wb.Close()
xl.Quit()
Dim psi As New System.Diagnostics.ProcessStartInfo
psi.FileName = "excel"
psi.Arguments = """" & SaveFileDialog1.FileName & """"
Dim proc As System.Diagnostics.Process = System.Diagnostics.Process.Start(psi)
Cursor = Cursors.Default
End Sub
让我解释一下要做什么。我有一个与访问数据库链接的 vb.net 表单。该表单使您可以进行查询并搜索数据库。现在我想添加选项以从同一查询打印报告。
这是我的表格的样子：
- 我想让用户选择他想在报告中看到的内容
- 根据查询创建报告
- 能够预览报告
打印出来
我在任何地方都找不到如何使用特定查询创建报告。
我能做什么:
- 我能够使用此 link. 打印已在访问中创建的报告
- 我能够在 excel sheet. 中打印显示查询结果
这是我连接到数据库并在 excel
中显示结果的代码部分 ' Connect to the database and send the query
Dim con As New OleDb.OleDbConnection
Dim ds As New DataSet
Dim da As OleDb.OleDbDataAdapter
Dim MaxRows As Integer
Try
con.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=|DataDirectory|\docs-management.mdb"
con.Open()
da = New OleDb.OleDbDataAdapter(sql, con)
da.Fill(ds, "DocList")
' Discover if there's a successful search
MaxRows = ds.Tables("DocList").Rows.Count
If MaxRows = 0 Then
MsgBox("No documents were found using this filter.")
con.Close()
Exit Sub
End If
Dim YesOrNoAnswerToMessageBox As String
Dim QuestionToMessageBox As String
QuestionToMessageBox = MaxRows & " Document(s) have been found and will be put into an excel spreadsheet." & _
vbCrLf & "Would you like to continue?"
YesOrNoAnswerToMessageBox = MsgBox(QuestionToMessageBox, vbYesNo, "Narrowing your search")
If YesOrNoAnswerToMessageBox = vbNo Then
Exit Sub
Else
End If
Dim oExcel As Object
Dim oBook As Object
Dim oSheet As Object
oExcel = CreateObject("Excel.Application")
oExcel.Visible = True
oBook = oExcel.Workbooks.Add
oSheet = oBook.Worksheets(1)
'Transfer the data to Excel
For columns = 0 To ds.Tables("DocList").Columns.Count - 1
oSheet.Cells(1, columns + 1) = ds.Tables("DocList").Columns(columns).ColumnName
Next
oSheet.Rows("1:1").Font.Bold = True
For col = 0 To ds.Tables("DocList").Columns.Count - 1
For row = 0 To ds.Tables("DocList").Rows.Count - 1
oSheet.Cells(row + 2, col + 1) = ds.Tables("DocList").Rows(row).ItemArray(col)
' This is where we make hyperlinks out of the file locations
If ds.Tables("DocList").Columns(col).ToString = "File_Location" Then
oSheet.Hyperlinks.Add(Anchor:=oSheet.Cells(row + 2, col + 1), Address:=ds.Tables("DocList").Rows(row).ItemArray(col), TextToDisplay:=ds.Tables("DocList").Rows(row).ItemArray(col))
End If
Next
Next
con.Close()
Catch
MsgBox("An error has been generated while contacting or transfering data from the database.")
End Try
下面是一些示例代码，它使用 OleDbConnection 和 Interop.Excel 生成工资报告。我认为这在这里是相关的，因为返回的行可能有也可能没有所有列的值。报告是在 Excel 中动态构建的，省略了没有值的列。
Private Sub PayGrid_Report()
'PayGrid Report
If MessageBox.Show("Did you select a payperiod?",
"Just checking...",
MessageBoxButtons.YesNo,
MessageBoxIcon.Question) = Windows.Forms.DialogResult.No Then Exit Sub
Dim wb As Microsoft.Office.Interop.Excel.Workbook
Dim ws As Microsoft.Office.Interop.Excel.Worksheet
Dim xl As New Microsoft.Office.Interop.Excel.Application
'Create a save file dialog
Dim SaveFileDialog1 As SaveFileDialog
With SaveFileDialog1
.Filter = "Excel Workbooks|*.xlsx"
.AddExtension = True
.RestoreDirectory = True
.Title = "Save Report"
.OverwritePrompt = True
End With
'Ask the user where to save the file.
If SaveFileDialog1.ShowDialog() <> System.Windows.Forms.DialogResult.OK Then Exit Sub
Cursor = Cursors.WaitCursor 'spin the cursor so the user doesn't think it "froze"
'Set up the connection to the database
Dim dbConn As New System.Data.OleDb.OleDbConnection("Valid Connection String Here")
dbConn.Open()
Dim dbComm As New System.Data.OleDb.OleDbCommand
With dbComm
.Connection = dbConn
.CommandType = CommandType.StoredProcedure
.CommandText = "PayrollFunctions"
.Parameters.Add("PayPeriod", OleDbType.VarChar).Value = "2015P06" 'usually get a value from the form
.Parameters.Add("OutputType", OleDbType.Integer).Value = 4 'usually get a value from the form
End With
'start a data reader
Dim r As System.Data.OleDb.OleDbDataReader = dbComm.ExecuteReader(CommandBehavior.CloseConnection)
Dim rownum As Int32 = 0 'the row to write to in Excel
Dim t As Int32 'Top of each "report item" - used for formatting
Dim b As Int32 'Bottom of each "report item" - used for formatting
xl.Visible = True 'show Excel so the user can see the report building
wb = xl.Workbooks.Add() 'add a workbook to Excel
ws = wb.Sheets.Add 'add a sheet to the workbook
ws.Name = "PayGrid_Report" 'name the sheet
While r.Read()
rownum += 2
t = rownum
ws.Cells(rownum, 2) = r("EmployeeID")
ws.Cells(rownum, 3) = r("EmployeeName")
ws.Cells(rownum, 4) = r("PayrollDepartment")
ws.Range(ws.Cells(rownum, 2), ws.Cells(rownum, 4)).Font.Bold = True
If r("RegularHours") > 0 Then
rownum += 1
b = rownum
ws.Cells(rownum, 5) = "Regular Hours:"
ws.Cells(rownum, 6) = r("RegularHours")
ws.Cells(rownum, 7) = "@"
ws.Cells(rownum, 8) = r("RateReg")
ws.Cells(rownum, 9) = "="
ws.Cells(rownum, 10) = r("RegDollars")
End If
If r("OTHours") > 0 Then
rownum += 1
b = rownum
ws.Cells(rownum, 5) = "Overtime Hours:"
ws.Cells(rownum, 6) = r("OTHours")
ws.Cells(rownum, 7) = "@"
ws.Cells(rownum, 8) = r("RateOT")
ws.Cells(rownum, 9) = "="
ws.Cells(rownum, 10) = r("OTDollars")
End If
If r("LeaveHours") > 0 Then
rownum += 1
b = rownum
ws.Cells(rownum, 5) = "Vacation Hours:"
ws.Cells(rownum, 6) = r("LeaveHours")
ws.Cells(rownum, 7) = "@"
ws.Cells(rownum, 8) = r("RateVac")
ws.Cells(rownum, 9) = "="
ws.Cells(rownum, 10) = r("LeaveDollars")
End If
If r("HolidayHours") > 0 Then
rownum += 1
b = rownum
ws.Cells(rownum, 5) = "Holiday Hours:"
ws.Cells(rownum, 6) = r("HolidayHours")
ws.Cells(rownum, 7) = "@"
ws.Cells(rownum, 8) = r("RateHol")
ws.Cells(rownum, 9) = "="
ws.Cells(rownum, 10) = r("HolidayDollars")
End If
If r("OtherHours") > 0 Then
If r("RateOtherBas") > 0 Then
rownum += 1
b = rownum
ws.Cells(rownum, 5) = "Other Hours:"
ws.Cells(rownum, 6) = r("OtherHours")
ws.Cells(rownum, 7) = "@"
ws.Cells(rownum, 8) = r("RateOtherBas")
ws.Cells(rownum, 9) = "="
ws.Cells(rownum, 10) = r("OtherBaseDollars")
End If
If r("RateOtherHol") > 0 Then
rownum += 1
b = rownum
ws.Cells(rownum, 5) = "Other Holiday:"
ws.Cells(rownum, 6) = r("OtherHours")
ws.Cells(rownum, 7) = "@"
ws.Cells(rownum, 8) = r("RateOtherHol")
ws.Cells(rownum, 9) = "="
ws.Cells(rownum, 10) = r("OtherHolDollars")
End If
If r("RateOtherVac") > 0 Then
rownum += 1
b = rownum
ws.Cells(rownum, 5) = "Other Vacation:"
ws.Cells(rownum, 6) = r("OtherHours")
ws.Cells(rownum, 7) = "@"
ws.Cells(rownum, 8) = r("RateOtherVac")
ws.Cells(rownum, 9) = "="
ws.Cells(rownum, 10) = r("OtherVacDollars")
End If
If r("RateOtherBen") > 0 Then
rownum += 1
b = rownum
ws.Cells(rownum, 5) = "Other Benefits:"
ws.Cells(rownum, 6) = r("OtherHours")
ws.Cells(rownum, 7) = "@"
ws.Cells(rownum, 8) = r("RateOtherBen")
ws.Cells(rownum, 9) = "="
ws.Cells(rownum, 10) = r("OtherBenDollars")
End If
End If 'If r("OtherHours") > 0
rownum += 1
b = rownum
ws.Cells(rownum, 5) = "Total:"
ws.Cells(rownum, 6) = r("TotalHours")
ws.Cells(rownum, 10) = r("TotalDollars")
ws.Range(ws.Cells(rownum, 5), ws.Cells(rownum, 10)).Font.Bold = True
'create border around report item
Dim LS As Microsoft.Office.Interop.Excel.XlLineStyle = Microsoft.Office.Interop.Excel.XlLineStyle.xlContinuous
Dim BW As Microsoft.Office.Interop.Excel.XlBorderWeight = Microsoft.Office.Interop.Excel.XlBorderWeight.xlThin
With ws.Range(ws.Cells(t, 2), ws.Cells(b, 10))
.Borders(Microsoft.Office.Interop.Excel.XlBordersIndex.xlEdgeTop).LineStyle = LS
.Borders(Microsoft.Office.Interop.Excel.XlBordersIndex.xlEdgeTop).Weight = BW
.Borders(Microsoft.Office.Interop.Excel.XlBordersIndex.xlEdgeBottom).LineStyle = LS
.Borders(Microsoft.Office.Interop.Excel.XlBordersIndex.xlEdgeBottom).Weight = BW
.Borders(Microsoft.Office.Interop.Excel.XlBordersIndex.xlEdgeLeft).LineStyle = LS
.Borders(Microsoft.Office.Interop.Excel.XlBordersIndex.xlEdgeLeft).Weight = BW
.Borders(Microsoft.Office.Interop.Excel.XlBordersIndex.xlEdgeRight).LineStyle = LS
.Borders(Microsoft.Office.Interop.Excel.XlBordersIndex.xlEdgeRight).Weight = BW
End With
End While
r.Close()
ws.Columns.AutoFit()
ws.Range(ws.Cells(1, 1), ws.Cells(1, 1)).ColumnWidth = 0.42
'Format the page setup
ws.PageSetup.Orientation = Microsoft.Office.Interop.Excel.XlPageOrientation.xlPortrait
ws.PageSetup.FitToPagesWide = 1
ws.PageSetup.FitToPagesTall = 99
ws.PageSetup.LeftHeader = "Paygrid Report"
ws.PageSetup.CenterHeader = "Pay Period 06"
ws.PageSetup.RightHeader = "Page &P of &N"
ws.PageSetup.LeftFooter = "Generated " & Today.ToShortDateString
wb.SaveAs(SaveFileDialog1.FileName)
wb.Close()
xl.Quit()
Dim psi As New System.Diagnostics.ProcessStartInfo
psi.FileName = "excel"
psi.Arguments = """" & SaveFileDialog1.FileName & """"
Dim proc As System.Diagnostics.Process = System.Diagnostics.Process.Start(psi)
Cursor = Cursors.Default
End Sub