Re: TDBRichViewEdit and MS SQL 2000

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Author

Message

Sergey Tkachenko

Posted: 04/16/2002 18:47:18

Hi,

It's required that type of field object is TBlobField (or inherited from

it), because the components uses blobfield.SaveToStream and LoadFromStream

methods.

May be there is a more appropriate field type in MS SQL?

> Hi,

>

> I'm currently evaluating RichviewEdit in order to integrate it in our

> products. TRichView and TRichViewEdit features are really astonishing and

up

> to the standards we have settled.

>

> Testing TDBRichViewEdit, I am trying to link it with a SQL Server 2000

> field.

> When opening the form, an Exception EInvalidCast is generated ('Invalid

> class typecast').

> The problem come when the TDBRichviewEdit is linked to a 'BINARY' field

> type. When linked to a 'TEXT' field it's working, but I would like to

insert

> pictures, controls and tables and it's not possible with this kind of

field.

>

> What am I doing wrong ?

>

> The access to the database I use the following objects:

>

> TDBRichViewEdit:  (rvfoSaveBinary = TRUE)

> TDataSet

> TQuery (on a TBytesField field)

> TDatabase

> Microsoft ODBC driver for MS SQL

> MS SQL Server database

>

>

> Best regards

> Christian Papaux

>

>

>

>

>