KNOWLEDGE BASE

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General

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Forms and controls

Classes and COM objects

Database and data-binding

[PRB] Connection and Recordset objects should be closed explicitly
[PRB] The Execute method of the ADODB.Connection object can create a spurious Recordset object
[PRB] The DAO RepairDatabase method causes a compilation error
[PRB] DAO and RDO Data control may not update bound controls when record position changes
[INFO] Converted DataEnvironment instances open the connection only when needed
[PRB] The migrated VB.NET has a “Name ‘xyz’ is not declared” compilation error
[INFO] ADO-related code in the migrated VB.NET application might not behave like the original VB6 code
[INFO] Classes and user controls generated by VB6 Data Object Wizard aren’t supported
[BUG] The Validate event may not fire for the Data and RDO Data control
[PRB] Assigning the ActiveConnection and Source properties of an ADODB.Recordset object may cause a runtime error
[HOWTO] Solve syntax errors in ADODC event handlers
[PRB] Passing an ADO read-only property to a ByRef argument causes a COMException
[PRB] VB.NET doesn’t allow to close an ADO Connection while a transaction is active
[PRB] Disappearing records in client-side ADODB.Recordset with batch optimistic lock
[PRB] The data source of a bound control isn’t updated if the control’s value is modified via code
[PRB] The Data control may fail when accessing a non-Access data source
[PRB] Passing ADOX properties to ByRef argument may cause unexpected runtime exceptions
[PRB] The DataBindings property of a bound user control isn’t migrated
[INFO] adDBFileTime enum values are converted to ADODB_DataTypeEnum_adDBFileTime constants
[INFO] Some properties of VB6DataGrid control can’t be modified from inside Visual Studio’s property window
[PRB] Code that references a VB6DataGrid column by its string key may not work in the migrated VB.NET program
[INFO] DBGrid control isn’t supported
[PRB] DataGrid and MSHFlexGrid controls don’t work as expected and/or throw exceptions
[PRB] Changing properties of the data source associated with a DataGrid control can throw an exception
[PRB] Assigning a StdDataFormat object to the DataFormat property of an ADODB.Field causes runtime errors
[PRB] Column formatting via StdDataFormat objects doesn’t work for DataGrid controls
[PRB] The DataGrid’s SelColChange event may fire unexpectedly
[PRB] Data classes might need manual adjustments

ADOLibrary