Setting in .NET framework

Create Code 128 in .NET framework Setting

Setting
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Type (Select one.) dbOpenTable
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dbOpenDynaset
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dbOpenSnapshot
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dbOpenForwardOnly
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Options (You can select multiple options, placing a plus sign between option names to add them together.) dbAppendOnly Returns a table or dynaset recordset that allows inserting new rows only. You can use this option only with the dbOpenTable and dbOpenDynaset types. Asks Access to generate a run-time error in your code if another user changes data while you are editing it in the recordset. Prevents other users from modifying or inserting records while your recordset is open. Prevents other users from reading records in your open recordset.
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dbSeeChanges dbDenyWrite dbDenyRead
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Part 5: Automating an Access Application
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Table 22-2.
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OpenRecordset Parameter Settings
Description
Allows you to make changes to all fields in a multiple table recordset (based on a query or an SQL statement), including changes that would be inconsistent with any join defined in the query. For example, you could change the customer identifier field (foreign key) of an orders table so that it no longer matches the primary key in an included customers table unless referential integrity constraints otherwise prevent you from doing so. You cannot include both dbInconsistent and dbConsistent. Allows you to only make changes in a multiple table recordset (based on a query or an SQL statement) that are consistent with the join definitions in the query. For example, you cannot change the customer identifier field (foreign key) of an orders table so that its value does not match the value of any customer row in the query. You cannot include both dbInconsistent and dbConsistent. Asks Access to lock a row as soon as you place the row in an editable state by executing an Edit method. This is the default if you do not specify a lock option. Asks Access to not attempt to lock a row until you try to write it to the database with an Update method. This generates a run-time error if another user has changed the row after you executed the Edit method.
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Setting
dbInconsistent
dbConsistent
Lockoptions (Select one.) dbPessimistic
dbOptimistic
For example, to declare a recordset for the tblFacilities table in the Housing Reservations (Housing.mdb) database and open the recordset as a table so that you can use its indexes, enter the following:
Dim Dim Set Set dbHousing As DAO.Database rcdFacilities As DAO.RecordSet dbHousing = CurrentDb rcdFacilities = dbHousing.OpenRecordSet("tblFacilities", dbOpenTable)
To open the qryContactProducts query in the LawTrack Contacts database (Contacts.mdb) as a dynaset, enter the following:
Dim dbLawTrack As DAO.Database Dim rcdContactProducts As DAO.RecordSet Set dbLawTrack = CurrentDb Set rcdContactProducts = _ dbLawTrack.OpenRecordSet("qryContactProducts")
(Note that opening a recordset as a dynaset is the default when the source is a query.)
Part 1: Part Title
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Part 5: Automating an Access Application
Microsoft Office Access 2003 Inside Out Note Any table recordset or dynaset recordset based on a table is updatable. When you ask Access to open a dynaset on a table, Access internally builds a query that selects all columns from the table. A dynaset recordset based on a query will be updatable if the query is updatable. See Limitations on Using Select Queries to Update Data on page 323 for details. After you open a recordset, you can use one of the Move methods to move to a specific record. Use recordset.MoveFirst to move to the first row in the recordset. Other Move methods include MoveLast, MoveNext, and MovePrevious. If you want to move to a specific row in the recordset, use one of the Find methods. You must supply a string variable containing the criteria for finding the records you want. The criteria string looks exactly like an SQL WHERE clause but without the WHERE keyword. (See Article 1, Understanding SQL, on the companion CD) For example, to find the first row in the qryContactProducts query s recordset whose SoldPrice field is greater than $200, enter the following:
rcdContactProducts.FindFirst "SoldPrice > 200"
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