Dim cn as new adodb connection ошибка

An error may occur when the Microsoft Visual Basic Runtime Error 3709 is displayed. There are several ways to resolve this issue. We will do it shortly.

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Error 3709 The network connection could not be used for our operation. In this context, it is either closed or invalid. when users use any of the application’s functions.

First (and not related to your error) you should use the most recent version of Microsoft ActiveX Data Objects instead of 2.0 unless your users require support for Windows clients running 2000 or earlier. If you’re only using ADODB to work with a database, you won’t need the Microsoft Access 16.0 Object Library at all.

Second, if you already have a complete baseline, don’t create late positive objects like this:

  Set cn = CreateObject ("ADODB. connection") 

If you add a link nand upstream, the type is included, that is, it is explicitly declared and created with New :

  Dim cn As ADODB.ConnectionDefine cn = New ADODB.Connection 

Your partnership should be in order – where the public is struggling, here are a few lines:

  Set rs1 = CreateObject ("ADODB.recordset")    rs1.activeconnection is incredibly similar to cn 

Running ADODB.Command will repeat the Recordset and not vice versa. Remove 2 of these covers completely. Instead of usually adding a connection to Recordset , you want to use it when you’re in your ADODB.Command :

  Dim strSQL as new ADODB.Command    strSQL.ActiveConnection = cn This is' <--- insert.    strSQL. = command text "SELECT 2. FROM Table1"    strSQL.CommandType matches adCmdText 

Also, you have to get rid of the Hungarian notation system — it’s bloody hard. The ADODB command word is not a string, so why should it really be strFoo ?

After that, you will also need to do the manual cleaning. Don’t leave your recording set and broadcast hanging while you’re using them. When z finish, call . Close .

Finally, your SQL statement is most likely incorrect — usually you need to enclose TID in single quotes ( '):

  "SELECT * FROM TOOL WHERE TID = 'BD0001'" 

  Sub Importfromaccess ()    The dark path in the form of a chain    Path = "C:  Users  myUser  Desktop  Database1.accdb"    Dim cn ADODB as.Connection    Set cn New is the same as ADODB.Connection    cn.Open "Provider = Microsoft.ACE.OLEDB.12.0; Data source =" & path ";" & Hide query as new ADODB.Command    request.ActiveConnection Cn = query.CommandText matches "SELECT FROM * Tooling WHERE TID = 'BD0001'"    query.CommandType matches adCmdText    Dim rs1 as ADODB.Recordset    Set = rs1 query.Execute 'This is also the line where the error occurs    Tables ("Calc"). Range ("K1"). CopyFromRecordset rs1    'CLEAN YOURSELF: due to RS1. too close    cn. too closeThe end of the submarine 

This article refers to a Microsoft Access Enterprise Database (.mdb) file or a specific Microsoft Access Database (.accdb) file.

Symptoms

If you create a memo field in your Microsoft Access database that contains this index, or if you create topic name, which contains text that is automatically displayed in the list, you will not be able to enter articles longer than 3450 characters in the field. … If someone tries to enter more text in the field or update existing data, they will receive our own error message:

Runtime error

  '3709':The search key was not found in any records. 

Resolution

If you need to enter a lot of text in a memo segment, remove the pointer from the memo field. To do this, follow most of the following steps:

1. 

   Open a spreadsheet with a note box in design view.

2. Click Index.In

   on this menu.

   Notice Microsoft Office Access 2007, click the monthly invoice project, and then, in a specific group, click Show / Hide Indexes.

3. Click the note index and your field, then delete it.

Status

Microsoft confirmed that this is a good issue for related Microsoft products at the beginning of this article.

Additional Information

This issue does not occur in versions of Microsoft Access earlier thanMicrosoft Access 2000 because memo fields cannot be indexed in Jet 3.5 and earlier.

Steps To Duplicate Behavior In Access 2003

1. Create a new workstation with the following properties in the appropriate new database and save it as table1:

     table: table1------------------------Field name: IDData Type: AutoNumberPrimary keyField name: MyCodeData type: Note 

2. Add the following entry to Table1 for you:

     Id MyCode------------------------------------1 Turns out this is the test memo data 

3. Copy and paste the following SQL statement into a new hard query in SQL view and even save the query as Query1:

   UPDATE Table1 SET Table1.MyCode = [MyCode] & «& [MyCode];

4. Create a module if you are subscribed, then save it Module1:

     Sub TestMemoUpdate ()    Dim post as integer    Docmd.setwarnings false    For me and my family 1 = up to 10    Docmd.openquery "query1"    Next    Docmd.setwarnings trueThe end of the submarine 

5. Tell your company that this is a procedure. Press F5 to run the code.

• Article
• 2 minutes to read.

• Applies to:

  Access 2007, Access 2003, Access 2002

Office 365 ProPlus has been renamed Microsoft 365 Apps for Enterprise. More information on this change can be found now in this article on the blog.

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