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Published on 2010-05-31T13:58:06Z
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Hi, do any one know the how to clear the data in the delta of the TclientDataSet explicitly? without using applyupdates
thanks in advance, Vijay.
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Hi, I've made a form containing a TVirtualStringTree that works in Delphi 7 and Delphi 2010. I notice that as I move between the two platforms I get the message '...parameter list differ..' on the tree events and that the string type is changing bewteen TWideString (D7) and string (D2010). The only…
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I have a String that I needed access to the first character of, so I used stringname[1]. With the unicode support this no longer works. I get an error: [DCC Error] sndkey32.pas(420): E2010 Incompatible types: 'Char' and 'AnsiChar'
Example code:
//vkKeyScan from the windows unit
var
KeyString:…
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Hi, I am a long time Delphi 6 developer. Looking for a book on Delphi 2010. Not only on the new features available in Delphi 2010, but more importantly, guideline on how different it is to develop applications in Delphi 2010, the architecture, standard and convention, etc.
Thanks a lot.
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Hello.
The situation is the following. Typically I use RAD Studio 2010 for Delphi development. I have some components I would like to redistribute in binary form (*.bpl without source). But I would like people to be able to use them despite of their Delphi version. But, for example, dcu files can…
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I need create a programatic equivalent using delphi language... or could someone post a link on how to do grammars in peech recogniton using the delphi. sorry for my english...
XML Grammar Sample(s):
<GRAMMAR>
<!-- Create a simple "hello world" rule -->
<RULE NAME="HelloWorld"…
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Hi,
do any one know the how to clear the data in the delta of the TclientDataSet explicitly? without using applyupdates
thanks in advance,
Vijay.
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I'm trying to use the ReconcileError event to allow the user to correct the data after an update error which occurred in a specific record among others.
Example:
I have a dataset with one field and 3 records, this field have a unique constraint on the database, then I change one value to conflict…
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I have a TClientDataSet connected to a TDataSetProvider, which in turn is connected to a TAdsTable. I set the SQL command and then open the ClientDataset something like this:
try
CDS.CommandText := 'SELECT * FROM tablename WHERE fieldname = 1';
CDS.Open
except
// trap exception here - this…
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hi,
Is there any way to manually track the changes done to a clientdataset's delta and update the changes manually on to then db. i have dynamically created a clientdataset and with out a provider i am able to load it with a tquery, now user will do some insert update and delete operations on the…
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Is it possible to use a calculated field in an aggregated field in a TClientDataSet?
object cdsOrders: TClientDataSet
AggregatesActive = True
object cdsOrdersPrice : TIntegerField
FieldName = 'Price'
end
object cdsOrdersCount: : TIntegerField
FieldName = 'Count'
…
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