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Form, 3211 Error, could not lock table, already used in form.
Try using two quotes together with no space.
When I use a space I get the error: Run-time error '2580': The record source ' ' specified on this form or report does not exist. Doesn't work(has space): Form_F_Tables.RecordSource = " " Works! (no space): Form_F_Tables.RecordSource = "" -- AndyP "jam-the-learner" wrote: I am having a similar problem to you, albeit at a more basic level as I'm not that experienced at VBA (as you can see from the code). I am trying to update a database via a command button on the main form, that uses tabbed sub forms. The database gets its data from paradox data tables copied our company's third-party software. To allow users to use the system and others to copy data from the system I use a bat file to update the base data files before using linked tables and make queries during the login process to update the database in my system. When I try to run the code below I get the same error about the table being locked by a user or process. As you can see I have tried adding a pause incase the files are still being copied but this does not seem to be the problem. I have also tried the solution you suggested, but I get an error that an object is required. Can anyone suggest anything else. code: ------------------------------------------------------------ Dim response Dim stDocName As String Dim stLinkCriteria As String response = MsgBox("Are you sure that you want to update xxx with Customer data from xxx?", vbYesNo, "Perform Update") If response = vbYes Then ‘pause software to let any pending work to be completed Sleep (5000) ‘close active form DoCmd.Close ‘close all active forms Do While Forms.Count 0 DoCmd.Close acForm, Forms(0).Name Loop ‘pause software to let any pending work to be completed Sleep (30000) ‘delete existing file Kill "c:\folder\file\ DATA.DB" ‘replace with new file FileCopy "J:\Folder\new_DATA.DB", " c:\folder\file\ DATA.DB " ‘pause software to let any pending work to be completed Sleep (40000) DoCmd.SetWarnings False stDocName = "Make_DATA" DoCmd.OpenQuery stDocName, acNormal, acEdit ‘pause software to let any pending work to be completed Sleep (35000) stDocName = "Make_DATA_SUMMARY" DoCmd.OpenQuery stDocName, acNormal, acEdit ‘pause software to let any pending work to be completed Sleep (35000) stDocName = "qry_Update_ Status" DoCmd.OpenQuery stDocName, acNormal, acEdit ‘pause software to let any pending work to be completed Sleep (35000) ‘open up main form when finsihed stDocName = "main-form" DoCmd.OpenForm stDocName, , , stLinkCriteria DoCmd.SetWarnings True Else End If "AndyP" wrote: Yeah, I found the solution! The forms recordsource had to be changed before that table could be manipulated. ' before calling any vba procedure that needs exclusive use of the displayed table ' in this example table "T_TABLES" ' Clear the record source Form_F_Tables.RecordSource = "" ' then call your procedure that requires exclusive use of the table Call Mod_TableFields ' then restablish the connection to the table Form_F_Tables.RecordSource = "T_TABLES" Pat on the back to myself for 4+ hours of investigation and many more of noodling. -- AndyP "Andy" wrote: Help, I have a "3211 Error", could not lock table, because it is already used in form. How to refresh a table shown on a form, when it is altered by a VBA procedure called from the same form? VBA code follow Thanks Andy ------------------------------------------- FORM Subroutines Private Sub Form_Load() 'Subroutine that shows 3211 Error, because table is shown in form? Call Mod_TableFields End Sub ------------------------------------------- Private Sub TableName_Click() Response = MsgBox("Marry: " & Me.TableName & " ? ", vbYesNo, "Marry a File") If Response = vbYes Then 'Call MARRIED(Me.TableName) ' Subroutine that shows 3211 Error, because table is shown in form? Call Mod_TableFields Refresh End If End Sub ------------------------------------------- MODULE 1 SUBROUTINES Sub Mod_TableFields() On Error GoTo Error_Handler Dim ThisDB As DAO.Database Dim RS As DAO.Recordset Set ThisDB = CurrentDb ' Drop field table, so it can be rebuilt ThisDB.Execute "DROP TABLE T_FIELDS;" STEP1_BYPASS: 'Create clean empty field table ThisDB.Execute "CREATE TABLE T_FIELDS (Table_name TEXT, Field_name TEXT, CNTRecs double );" ' Open that clean empty table Set RS = ThisDB.OpenRecordset("T_FIELDS") ' Go through each of the Access table definitions For Each tdf In ThisDB.TableDefs ' Go through each of the Access field definitions For Each fld In tdf.Fields RS.AddNew RS!Table_name = tdf.Name RS!CNTRecs = tdf.RecordCount RS!FIELD_NAME = fld.Name RS.Update Next fld Next tdf 'Close the new field table RS.Close 'Empty the reference Set RS = Nothing ' Delete the table file, to rebuild it fresh and clean ' 3211 Error shown because table is shown in form? ThisDB.Execute "DROP TABLE T_TABLES" ' Error handler skips this step when table not dropped because of 3211 error. ' Query & Group field information ThisDB.Execute "SELECT Table_name, CNTRecs, Count(Table_name) AS CNTFields INTO T_TABLES " & _ " FROM T_FIELDS GROUP BY Table_name, CNTRecs ORDER BY Table_name; " STEP2_BYPASS: ' Leave subroutine Exit Sub 'ERROR HANDLER Error_Handler: If Err 0 Then MsgBox Err.Number & " " & Err.Source & "-" & Err.Description, , "Error" If Err = 3376 Then Resume STEP1_BYPASS End If If Err = 0 Then Resume STEP2_BYPASS End If End If End Sub -- end of question and code examples Andy |
#12
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Form, 3211 Error, could not lock table, already used in form.
I'm using no space between the quote marks as well.
To be on the safe side I have tested to make sure that the file being copied has completed before moving on by comparing the size of the files in the original location and the copied file via a message box and this indicates that the copy process has completed. But then I get eth same error straight after clicking okay. Have you got any more suggestions? "AndyP" wrote: Try using two quotes together with no space. When I use a space I get the error: Run-time error '2580': The record source ' ' specified on this form or report does not exist. Doesn't work(has space): Form_F_Tables.RecordSource = " " Works! (no space): Form_F_Tables.RecordSource = "" -- AndyP "jam-the-learner" wrote: I am having a similar problem to you, albeit at a more basic level as I'm not that experienced at VBA (as you can see from the code). I am trying to update a database via a command button on the main form, that uses tabbed sub forms. The database gets its data from paradox data tables copied our company's third-party software. To allow users to use the system and others to copy data from the system I use a bat file to update the base data files before using linked tables and make queries during the login process to update the database in my system. When I try to run the code below I get the same error about the table being locked by a user or process. As you can see I have tried adding a pause incase the files are still being copied but this does not seem to be the problem. I have also tried the solution you suggested, but I get an error that an object is required. Can anyone suggest anything else. code: ------------------------------------------------------------ Dim response Dim stDocName As String Dim stLinkCriteria As String response = MsgBox("Are you sure that you want to update xxx with Customer data from xxx?", vbYesNo, "Perform Update") If response = vbYes Then ‘pause software to let any pending work to be completed Sleep (5000) ‘close active form DoCmd.Close ‘close all active forms Do While Forms.Count 0 DoCmd.Close acForm, Forms(0).Name Loop ‘pause software to let any pending work to be completed Sleep (30000) ‘delete existing file Kill "c:\folder\file\ DATA.DB" ‘replace with new file FileCopy "J:\Folder\new_DATA.DB", " c:\folder\file\ DATA.DB " ‘pause software to let any pending work to be completed Sleep (40000) DoCmd.SetWarnings False stDocName = "Make_DATA" DoCmd.OpenQuery stDocName, acNormal, acEdit ‘pause software to let any pending work to be completed Sleep (35000) stDocName = "Make_DATA_SUMMARY" DoCmd.OpenQuery stDocName, acNormal, acEdit ‘pause software to let any pending work to be completed Sleep (35000) stDocName = "qry_Update_ Status" DoCmd.OpenQuery stDocName, acNormal, acEdit ‘pause software to let any pending work to be completed Sleep (35000) ‘open up main form when finsihed stDocName = "main-form" DoCmd.OpenForm stDocName, , , stLinkCriteria DoCmd.SetWarnings True Else End If "AndyP" wrote: Yeah, I found the solution! The forms recordsource had to be changed before that table could be manipulated. ' before calling any vba procedure that needs exclusive use of the displayed table ' in this example table "T_TABLES" ' Clear the record source Form_F_Tables.RecordSource = "" ' then call your procedure that requires exclusive use of the table Call Mod_TableFields ' then restablish the connection to the table Form_F_Tables.RecordSource = "T_TABLES" Pat on the back to myself for 4+ hours of investigation and many more of noodling. -- AndyP "Andy" wrote: Help, I have a "3211 Error", could not lock table, because it is already used in form. How to refresh a table shown on a form, when it is altered by a VBA procedure called from the same form? VBA code follow Thanks Andy ------------------------------------------- FORM Subroutines Private Sub Form_Load() 'Subroutine that shows 3211 Error, because table is shown in form? Call Mod_TableFields End Sub ------------------------------------------- Private Sub TableName_Click() Response = MsgBox("Marry: " & Me.TableName & " ? ", vbYesNo, "Marry a File") If Response = vbYes Then 'Call MARRIED(Me.TableName) ' Subroutine that shows 3211 Error, because table is shown in form? Call Mod_TableFields Refresh End If End Sub ------------------------------------------- MODULE 1 SUBROUTINES Sub Mod_TableFields() On Error GoTo Error_Handler Dim ThisDB As DAO.Database Dim RS As DAO.Recordset Set ThisDB = CurrentDb ' Drop field table, so it can be rebuilt ThisDB.Execute "DROP TABLE T_FIELDS;" STEP1_BYPASS: 'Create clean empty field table ThisDB.Execute "CREATE TABLE T_FIELDS (Table_name TEXT, Field_name TEXT, CNTRecs double );" ' Open that clean empty table Set RS = ThisDB.OpenRecordset("T_FIELDS") ' Go through each of the Access table definitions For Each tdf In ThisDB.TableDefs ' Go through each of the Access field definitions For Each fld In tdf.Fields RS.AddNew RS!Table_name = tdf.Name RS!CNTRecs = tdf.RecordCount RS!FIELD_NAME = fld.Name RS.Update Next fld Next tdf 'Close the new field table RS.Close 'Empty the reference Set RS = Nothing ' Delete the table file, to rebuild it fresh and clean ' 3211 Error shown because table is shown in form? ThisDB.Execute "DROP TABLE T_TABLES" ' Error handler skips this step when table not dropped because of 3211 error. ' Query & Group field information ThisDB.Execute "SELECT Table_name, CNTRecs, Count(Table_name) AS CNTFields INTO T_TABLES " & _ " FROM T_FIELDS GROUP BY Table_name, CNTRecs ORDER BY Table_name; " STEP2_BYPASS: ' Leave subroutine Exit Sub 'ERROR HANDLER Error_Handler: If Err 0 Then MsgBox Err.Number & " " & Err.Source & "-" & Err.Description, , "Error" If Err = 3376 Then Resume STEP1_BYPASS End If If Err = 0 Then Resume STEP2_BYPASS End If End If End Sub -- end of question and code examples Andy |
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