Recent content by nanin

I'm programming a grid application which shows records from a SQL Server DataBase through an ADOConnection. The number of records is about 10000. The problem is that when I pass from a record to another in the DataGrid the amount of memory increases slightly (4-8 KB/reg). Finally, the...

I´m writing this code but Opts variable is always empty when the program is running. This incredible! Anybody knows why? . . . TLocateOptions Opts; Opts.Clear(); Opts << loPartialKey; bool encontrado=ADODataSet1->Locate(&quot;DNI&quot;, this->DNI->Text, Opts ); . . .

I need to change some ADOConnection properties but I have a lot of problems because I don't know how to select each of the properties. In Delphi you can change the propertis this way: ADOConnection.Properties['Data Source'].Value := strPadNaarDatabase I have tried changing the order, the...

I solved the problem inserting this connection paramenter into the new database connection string before it had been compacted: Jet OLEDB:Engine Type=5 so: Provider=Microsoft.Jet.OLEDB.4.0;Data Source=DB.mdb;Jet OLEDB:Engine Type=5 you can change the engine type from 1 to 5: jet 1.0 ->1 jet...

I've built an application in which I can select a Jet Database (usually MS access) and then compact. The problem is that I have to chage the database version but the JetEngine->CompactDatabase (which I imported from &quot;Import from type library&quot;) function in Builder hasn't got enough...

I think there is a easier way to solve the problem: -set container property &quot;DoubleBuffered&quot; to true.

I'm designing an application in which a user can move a image when he holds down the mouse's left button. The fact is that I need to keep image visible during the operation and, at same time, move the image. I have used OnkeyUp & OnKeyDown events of the image to start this action and OnMouseMove...

I have inserted a DBgrid component which needs to be cleared from time to time. It's connected to DataSource component which is connected to an ADO connection component. Any idea?

I do not use CoCreateInstance to run the server. I have imported the Type library from the server into the client program and I directly open it with this expression: this->SvrMyVisdata1->LanzaListado(Conexion,SQL); where SvrMyVisdata is the reference to the server, Conexion is the string...

I have built a program to manage DB operations. This program acts as stand-alone application or a automation server if a client requests any action from a external program. If a user attempts any action, the server opens and stay opened. If the user press the &quot;close&quot; button in the...

And if I add a resource file to the project with the text? does anyone how to do that?

How can include a text file into an executable file so the application doesn´t have to read from a external file? How do I obtain the text later? Thanks!!

I´m trying to send a picture to the printer with a label over the image. i've set transparent property to true ann i've remove ETO_OPAQUE flag. When the application shows the document on the screen the label is transparent but when send it to the printer, the label is opaque. How could i solve...