1。SQL
连接SQL数据库,现在数据库没有密码,但是考虑到以后安装到别的机器上会有不同的密码,所以
连接字符串如下
gcnLeaguers.ConnectionString = "Provider=SQLOLEDB.1;Integrated Security=SSPI;Persist Security Info=False;User ID=" & dataname & ";password=" & pwd & ";Initial Catalog=wenshidu;Data Source= " & servername & " "
此时,我的dataname和pwd不论是什么都可以正常连接,但是servername一旦出错就不能连接,难道我以后不管数据用户和密码是什么都能连?2。Excel
重装过系统了。本来可以把数据库数据显示到Excel中去得,现在出错了,提示“加载DLL错误”,是不是我没有打vb的补丁,我在下vb的补丁sp6,不知道安装完能不能解决问题3。Mschart
程序是Access和SQL并存的,事先选择好就行了,用Access可以成功读取数据并显示在Mschart控件上,但是用SQL就只能显示Mschart控件,却没有数据
代码如下
sql = "select whtime as 日期,whtempavg as 平均温度,whhumiavg as 平均湿度 from wenshidu where whname=" & queryname2 & " order by whday,whtime asc"
Set rsQuery = gcnLeaguers.Execute(sql)
If (gnIsNetOrNot = 1) Then
frmgraphshow.Adodc1.ConnectionString = "Provider=SQLOLEDB.1;Integrated Security=SSPI;Persist Security Info=False;User ID=" & dataname & ";password=" & pwd & ";Initial Catalog=wenshidu;Data Source= " & servername & " "
Else
frmgraphshow.Adodc1.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & gsCurConnectedMdb & ";Persist Security Info=False"
End If
frmgraphshow.Adodc1.RecordSource = sql
frmgraphshow.Adodc1.Refresh
frmgraphshow.MSChart1.ShowLegend = True
Set frmgraphshow.MSChart1.DataSource = frmgraphshow.Adodc1
连接SQL数据库,现在数据库没有密码,但是考虑到以后安装到别的机器上会有不同的密码,所以
连接字符串如下
gcnLeaguers.ConnectionString = "Provider=SQLOLEDB.1;Integrated Security=SSPI;Persist Security Info=False;User ID=" & dataname & ";password=" & pwd & ";Initial Catalog=wenshidu;Data Source= " & servername & " "
此时,我的dataname和pwd不论是什么都可以正常连接,但是servername一旦出错就不能连接,难道我以后不管数据用户和密码是什么都能连?2。Excel
重装过系统了。本来可以把数据库数据显示到Excel中去得,现在出错了,提示“加载DLL错误”,是不是我没有打vb的补丁,我在下vb的补丁sp6,不知道安装完能不能解决问题3。Mschart
程序是Access和SQL并存的,事先选择好就行了,用Access可以成功读取数据并显示在Mschart控件上,但是用SQL就只能显示Mschart控件,却没有数据
代码如下
sql = "select whtime as 日期,whtempavg as 平均温度,whhumiavg as 平均湿度 from wenshidu where whname=" & queryname2 & " order by whday,whtime asc"
Set rsQuery = gcnLeaguers.Execute(sql)
If (gnIsNetOrNot = 1) Then
frmgraphshow.Adodc1.ConnectionString = "Provider=SQLOLEDB.1;Integrated Security=SSPI;Persist Security Info=False;User ID=" & dataname & ";password=" & pwd & ";Initial Catalog=wenshidu;Data Source= " & servername & " "
Else
frmgraphshow.Adodc1.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & gsCurConnectedMdb & ";Persist Security Info=False"
End If
frmgraphshow.Adodc1.RecordSource = sql
frmgraphshow.Adodc1.Refresh
frmgraphshow.MSChart1.ShowLegend = True
Set frmgraphshow.MSChart1.DataSource = frmgraphshow.Adodc1
If Option1.Value = True Then'密码模式的连接
tmpConStr = "Provider=SQLOLEDB.1;Password=" & Trim(TxtPassword.Text) & ";Persist Security Info=True;User ID=" & Trim(TxtUserName.Text) & ";Initial Catalog=" & Trim(TxtDB.Text) & ";Data Source=" & Trim(DBServr.Text)
ElseIf Option2.Value = True Then'无密码模式下的连接
tmpConStr = "Provider=SQLOLEDB.1;Integrated Security=SSPI;Persist Security Info=False;Data Source =" & Trim(DBServr.Text) & ";Initial Catalog=" & Trim(TxtDB.Text)
End If
模块
Dim Rs_Data As New ADODB.Recordset
Dim Irowcount As Integer
Dim Icolcount As Integer
Dim xlApp As New Excel.Application
Dim xlBook As Excel.Workbook
Dim xlSheet As Excel.Worksheet
Dim xlQuery As Excel.QueryTable
Public Function ExporToExcel(strOpen As String)
'*********************************************************
'* 名称:ExporToExcel
'* 功能:导出数据到EXCEL
'* 用法:ExporToExcel(sql查询字符串)
'********************************************************* With Rs_Data
If .State = adStateOpen Then
.Close
End If
.ActiveConnection = gcnLeaguers
.CursorLocation = adUseClient
.CursorType = adOpenStatic
.LockType = adLockReadOnly
.Source = strOpen
.Open
End With
With Rs_Data
If .RecordCount < 1 Then
MsgBox ("没有记录!")
Exit Function
End If
'记录总数
Irowcount = .RecordCount
'字段总数
Icolcount = .Fields.Count
End With
Set xlApp = CreateObject("Excel.Application") <-----------运行到此处显示加载DLL错误
Set xlBook = Nothing
Set xlSheet = Nothing
Set xlBook = xlApp.Workbooks().Add
Set xlSheet = xlBook.Worksheets("sheet1")
xlApp.Visible = True
'添加查询语句,导入EXCEL数据
Set xlQuery = xlSheet.QueryTables.Add(Rs_Data, xlSheet.Range("a1"))
With xlQuery
.FieldNames = True
.RowNumbers = False
.FillAdjacentFormulas = False
.PreserveFormatting = True
.RefreshOnFileOpen = False
.BackgroundQuery = True
.RefreshStyle = xlInsertDeleteCells
.SavePassword = True
.SaveData = True
.AdjustColumnWidth = True
.RefreshPeriod = 0
.PreserveColumnInfo = True
End With
xlQuery.FieldNames = True '显示字段名
xlQuery.Refresh
With xlSheet
.Range(.Cells(1, 1), .Cells(1, Icolcount)).font.name = "黑体"
'设标题为黑体字
.Range(.Cells(1, 1), .Cells(1, Icolcount)).font.Bold = True
'标题字体加粗
.Range(.Cells(1, 1), .Cells(Irowcount + 1, Icolcount)).Borders.LineStyle = xlContinuous
'设表格边框样式
End With' If Not (xlSheet.PageSetup) = Nothing Then
'If Printer.DeviceName <> "" Then
If Printers.Count <> 0 Then '如果没装打印机
With xlSheet.PageSetup
' .LeftHeader = "" & Chr(10) & "&""楷体_GB2312,常规""&10公司名称:" ' & Gsmc
.CenterHeader = "&""楷体_GB2312,常规""温湿度自动检测系统&""宋体,常规""" & Chr(10) & ""
' .RightHeader = "" & Chr(10) & "&""楷体_GB2312,常规""&10单位:"
.LeftFooter = "&""楷体_GB2312,常规""&10制表人:& " & gsCurOperatorName & ""
.CenterFooter = "&""楷体_GB2312,常规""&10制表日期:&D"
.RightFooter = "&""楷体_GB2312,常规""&10第&P页 共&N页"
End With
End If
xlApp.Application.Visible = True
Set xlApp = Nothing '"交还控制给Excel
Set xlBook = Nothing
Set xlSheet = Nothing
Set xlQuery = Nothing
End Function
窗体中
Private Sub cmdqueryname_Click()
Dim sqlqueryname As String
Dim adoqueryname As New ADODB.Recordset
Dim name1 As String
queryname2 = cboname.Text
sqlqueryname = "select id from warning where point='" & queryname2 & "' "
Set adoqueryname = gcnLeaguers.Execute(sqlqueryname)
name1 = adoqueryname(0)
sql = "select whname as 仓库名,whday as 日期,whtime as 时间,whtempavg as 平均温度,whhumiavg as 平均湿度 from wenshidu where whname=" & name1 & " order by whday"
ExporToExcel (sql)adoqueryname.Close
Set adoqueryname = Nothing
End Sub已经引用了Microsoft Excel 9.0 Object Library
Access库和SQL在语法上还有什么不同吗
我只知道一个用#,一个用',其它的就不知道了
2、你运行到这一步前看看系统进程里有没有Excel?如果有,肯定是别的地方调用excel出错了。
---------------------------------
系统重装前后Office的版本都是2000阿,引用的EXCEL90库的位置是否正确?
------------------------------------
这个要在哪里看?我就是在工程-〉引用里面选的Microsoft Excel 9.0 Object Library
阿
之前系统进程中都没有Excel.exe
Reference=*\G{00020430-0000-0000-C000-000000000046}#2.0#0#..\..\..\..\WINNT\system32\stdole2.tlb#OLE Automation
Reference=*\G{00000300-0000-0010-8000-00AA006D2EA4}#2.7#0#..\..\..\..\Program Files\Common Files\System\ADO\msador15.dll#Microsoft ActiveX Data Objects Recordset 2.7 Library
Object={06DD38D0-D187-11CF-A80D-00C04FD74AD8}#1.0#0; plugin.ocx
Object={D9347025-9612-11D1-9D75-00C04FCC8CDC}#1.0#0; MSBCODE9.OCX
Reference=*\G{CD3386A5-DBB9-11D1-B58F-00C04FB68DF3}#b.0#0#..\..\..\..\Program Files\Common Files\Microsoft Shared\Repostry\MIGV2.DLL#ActiveX DLL to perform Migration of MS Repository V1 to V2
Reference=*\G{56BF9020-7A2F-11D0-9482-00A0C91110ED}#1.0#0#..\..\..\..\WINNT\system32\MSBIND.DLL#Microsoft Data Binding Collection
Reference=*\G{3D5C6BF0-69A3-11D0-B393-00A0C9055D8E}#1.0#0#..\..\..\..\Program Files\Common Files\designer\MSDERUN.DLL#Microsoft Data Environment Instance 1.0
Reference=*\G{00020813-0000-0000-C000-000000000046}#1.3#0#..\..\..\..\Program Files\Microsoft Office\Office\EXCEL9.OLB#Microsoft Excel 9.0 Object Library
Reference=*\G{00000205-0000-0010-8000-00AA006D2EA4}#2.5#0#..\..\..\..\Program Files\Common Files\System\ADO\msado25.tlb#Microsoft ActiveX Data Objects 2.5 Library
Reference=*\G{642AC760-AAB4-11D0-8494-00A0C90DC8A9}#1.0#0#..\..\..\..\WINNT\System32\MSDBRPTR.DLL#Microsoft Data Report Designer v6.0
Reference=*\G{6B263850-900B-11D0-9484-00A0C91110ED}#1.0#0#..\..\..\..\WINNT\system32\MSSTDFMT.DLL#Microsoft Data Formatting Object Library 6.0 (SP4)
Reference=*\G{420B2830-E718-11CF-893D-00A0C9054228}#1.0#0#..\..\..\..\WINNT\System32\scrrun.dll#Microsoft Scripting Runtime
Object={831FDD16-0C5C-11D2-A9FC-0000F8754DA1}#2.0#0; MSCOMCTL.OCX
Object={67397AA1-7FB1-11D0-B148-00A0C922E820}#6.0#0; MSADODC.OCX
Object={F9043C88-F6F2-101A-A3C9-08002B2F49FB}#1.2#0; COMDLG32.OCX
Object={FAEEE763-117E-101B-8933-08002B2F4F5A}#1.1#0; DBLIST32.OCX
Object={139DD5D1-D6E2-11D0-89D4-00A0C90833E6}#1.0#0; daxctle.ocx
Object={65E121D4-0C60-11D2-A9FC-0000F8754DA1}#2.0#0; MSCHRT20.OCX
Object={5E9E78A0-531B-11CF-91F6-C2863C385E30}#1.0#0; MSFLXGRD.OCX
Object={648A5603-2C6E-101B-82B6-000000000014}#1.1#0; MSCOMM32.OCX
Object={8E27C92E-1264-101C-8A2F-040224009C02}#7.0#0; MSCAL.OCX
Object={CDE57A40-8B86-11D0-B3C6-00A0C90AEA82}#1.0#0; MSDATGRD.OCX
Object={F0D2F211-CCB0-11D0-A316-00AA00688B10}#1.0#0; MSDATLST.OCX
Object={86CF1D34-0C5F-11D2-A9FC-0000F8754DA1}#2.0#0; MSCOMCT2.OCX
Object={5C8CED40-8909-11D0-9483-00A0C91110ED}#1.0#0; MSDATREP.OCX
Form=MDIFrmMain.frm
Form=frmAbout.frm
Class=clsPrintDialog; clsPrintDialog.cls
Module=modStart; Module1.bas
Form=frmlogin.frm
Module=MdlPublicVar; MdlPublicVar.bas
Form=frmadmin.frm
Form=frmuser.frm
Form=frmmain.frm
Form=frmtable.frm
Form=frmgraph.frm
Form=frmpaifengxitong.frm
Form=frmmenxian.frm
Form=frmmscomm.frm
Form=frmname.frm
Form=frmtableshow.frm
Form=frmgraphshow.frm
Form=frmtest.frm
Form=frmPrintElf.frm
Module=mdlprint; mdlprint.bas
Form=frmgraphshow2.frm
Form=frmadminsetup.frm
IconForm="MDIFrmMain"
Startup="Sub Main"
HelpFile="D:\wenshidu\帮助\help.chm"
Title="温湿度自动检测系统"
ExeName32="wenshidu.exe"
Command32=""
Name="温湿度自动检测软件"
HelpContextID="0"
CompatibleMode="0"
MajorVer=1
MinorVer=0
RevisionVer=0
AutoIncrementVer=0
ServerSupportFiles=0
VersionCompanyName="zw"
CompilationType=0
OptimizationType=0
FavorPentiumPro(tm)=0
CodeViewDebugInfo=0
NoAliasing=0
BoundsCheck=0
OverflowCheck=0
FlPointCheck=0
FDIVCheck=0
UnroundedFP=0
StartMode=0
Unattended=0
Retained=0
ThreadPerObject=0
MaxNumberOfThreads=1
DebugStartupOption=0[MS Transaction Server]
AutoRefresh=1
加载DLL错误
就显示这么多
公司是win2000,家里是winXP,vb是一样的版本,但是我不记得家里的机器是不是升过级了,你们一般装什么补丁啊?