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Re: questions about sqlArray [message #35409 is a reply to message #35401]

Fri, 10 February 2012 18:26

BioBytes
Messages: 312
Registered: October 2008
Location: France

Senior Member

Hi papascalientes,

Mirek has given very good explanations as usual. Sure SqlArray can do some actions "magically" but cannot solve all your problems of errors that could happen in code. It is the way I go in my own applications.

The update, insert and delete operations are managed by SqlCtrls and generally, my application menu functions are written on the following basis:

void MainWin::DefineDevices()
{
	SQL.Begin();

	DevicesDlgWin.FillList(); 
        //Initialization of ctrls in the dialog window
	
	if(DevicesDlgWin.ExecuteOK())SQL.Commit();
	else SQL.Rollback();
}

So if the user presses ok (validation) button, the transaction is committed. If cancel button is pressed, modifications are not recorded in database.

Biobytes

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[Message index]

		questions about sqlArray By: papascalientes on Thu, 09 February 2012 10:24
		Re: questions about sqlArray By: BioBytes on Fri, 10 February 2012 10:22
		Re: questions about sqlArray By: mirek on Fri, 10 February 2012 11:47
		Re: questions about sqlArray By: BioBytes on Fri, 10 February 2012 18:26
		Re: questions about sqlArray By: mirek on Fri, 10 February 2012 18:59
		Re: questions about sqlArray By: papascalientes on Fri, 10 February 2012 19:22
		Re: questions about sqlArray By: BioBytes on Sat, 11 February 2012 09:19
		Re: questions about sqlArray By: mirek on Sat, 11 February 2012 09:55
		Re: questions about sqlArray By: BioBytes on Sat, 11 February 2012 10:04

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