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I am working with a supplied XML document format that is sent to me over an HTTP connection to a supplier. I cannot change the format! But the problem is that within the XML document I have 2 nodes with the same name, "Price". In XSD schema the 1st price is defined as a complex type...

You could also do this asynchronously if you are using >= ADO 2.5 and >= SQL Server 7. The OnFetchComplete event of the ADO stored procedure sets a boolean flag before allowing you into the finally processing of results. I have created a test program to demostrate this as follows:- Create a...

ADO and Access is a good combination. The Delphi ADO components work well. I wouldnt trust more than 10 users to any desktop database though. ADO and MS SQL Server works well for larger installations. A good book is "professional ADO 2.x programming" the Data Access Layer puts the...

sorry the min statement should read savesize := min( A.Size, MAXFILESIZE );

here's a simple example I knocked up to backup a file. It reads the whole text file into a binary buffer and writes it out again. const MAXFILESIZE = 10000; type TBigBuffer = array[0..MAXFILESIZE] of byte; procedure DoSomethingWithBuffer( const Buff: TBigBuffer ); begin // ???? end...

If find that the Sender is most useful when you are sharing an event between visual components. If you want to want test who the Sender was then you can use the component reference as follows:- if (Sender = btnOkay) then showmessage( 'sender is button okay' ) else if (Sender = btnCancel)...

The Owner is responsible for destroying the object created. myCmd is declared somewhere appropriate as myCmd: TADOCommand; nil is a predefined empty/null pointer constant 1) if YOU want to be the owner write:- myCmd := TADOCommand.Create( nil ); but you then have to destroy the object...

Normally you get to CloseQuery by calling the Form's Close method. CloseQuery calls OnCloseQuery passing the FORM REFERENCE as the Sender. The original reference to the button is lost. A simple method is to declare an integer variable private to the form. Set a unique value for the button...

use expression to 'toggle' the boolean value:- with mainFrm.WordWrap1 do checked := not checked;

I'm trying to use CR8 CrystalViewer ActiveX on an ASP page, with IIS 5.0 on Windows 2000 Prof. edition. I'm also using MSSQL 7.0 - SP2 as the database. During design-time, the report works ( I connect to SQL Server using "NT Integrated Security" ) fine but during runtime, I'm getting...