https://github.com/walter426/VbaUtilities/blob/master/MathUtilities.bas
As there is not built-in function for logarithm of base 10, so it is required to build it from the default natural Logarithm function in VBA
Public Function Log10(X)
Log10 = Log(X) / Log(10#)
End Function
Translate
2013年9月24日 星期二
2013年9月9日 星期一
[VBA] Get Link Table connection Info
A function to obtain link table connection information such as 'link specification', current path...
'Get Link Table connection Info
Public Function GetLinkTblConnInfo(Tbl_name As String, param As String) As String
On Error GoTo Exit_GetLinkTblConnInfo
Dim LinkTblConnInfo As Variant
LinkTblConnInfo = SplitStrIntoArray(CurrentDb.TableDefs(Tbl_name).Connect, ";")
Dim param_idx As Integer
Dim LinkTblConnParam As String
param = param & "="
For param_idx = 0 To UBound(LinkTblConnInfo)
LinkTblConnParam = LinkTblConnInfo(param_idx)
If Left(LinkTblConnParam, Len(param)) = param Then
GetLinkTblConnInfo = Right(LinkTblConnParam, Len(LinkTblConnParam) - Len(param))
Exit For
End If
Next param_idx
Exit_GetLinkTblConnInfo:
Exit Function
Err_GetLinkTblConnInfo:
ShowMsgBox (Err.Description)
GetLinkTblConnInfo = ""
Resume Exit_GetLinkTblConnInfo
End Function
'Get Link Table connection Info
Public Function GetLinkTblConnInfo(Tbl_name As String, param As String) As String
On Error GoTo Exit_GetLinkTblConnInfo
Dim LinkTblConnInfo As Variant
LinkTblConnInfo = SplitStrIntoArray(CurrentDb.TableDefs(Tbl_name).Connect, ";")
Dim param_idx As Integer
Dim LinkTblConnParam As String
param = param & "="
For param_idx = 0 To UBound(LinkTblConnInfo)
LinkTblConnParam = LinkTblConnInfo(param_idx)
If Left(LinkTblConnParam, Len(param)) = param Then
GetLinkTblConnInfo = Right(LinkTblConnParam, Len(LinkTblConnParam) - Len(param))
Exit For
End If
Next param_idx
Exit_GetLinkTblConnInfo:
Exit Function
Err_GetLinkTblConnInfo:
ShowMsgBox (Err.Description)
GetLinkTblConnInfo = ""
Resume Exit_GetLinkTblConnInfo
End Function
2013年9月6日 星期五
[VBA] Get the current path of a link table
'Get the current path of a link table
Public Function GetLinkTblPath(Tbl_name As String) As String
On Error GoTo Exit_GetLinkTblPath
Dim LinkTblPath As String
LinkTblPath = CurrentDb.TableDefs(Tbl_name).Connect
LinkTblPath = Right(LinkTblPath, Len(LinkTblPath) - (InStr(1, LinkTblPath, "DATABASE=") + 8)) & "\" & CurrentDb.TableDefs(Tbl_name).SourceTableName
GetLinkTblPath = LinkTblPath
Exit_GetLinkTblPath:
Exit Function
Err_GetLinkTblPath:
ShowMsgBox (Err.Description)
GetLinkTblPath = ""
Resume Exit_GetLinkTblPath
End Function
Public Function GetLinkTblPath(Tbl_name As String) As String
On Error GoTo Exit_GetLinkTblPath
Dim LinkTblPath As String
LinkTblPath = CurrentDb.TableDefs(Tbl_name).Connect
LinkTblPath = Right(LinkTblPath, Len(LinkTblPath) - (InStr(1, LinkTblPath, "DATABASE=") + 8)) & "\" & CurrentDb.TableDefs(Tbl_name).SourceTableName
GetLinkTblPath = LinkTblPath
Exit_GetLinkTblPath:
Exit Function
Err_GetLinkTblPath:
ShowMsgBox (Err.Description)
GetLinkTblPath = ""
Resume Exit_GetLinkTblPath
End Function
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