New to MVD

Well, final i was able to write something on the script, thanks to you.
But i am looking for the right call for a button, using if & and's is working for me, but i am looking for the right call for a button being pressed, i am trying to write this:

Begin

if (frmAssistencia.BTGRAVAR.OnClick) and (frmAssistencia.memoavaria.Text = '') then
    begin
        Cancel := True;
        ShowMessage('Your message here.');
    end;

end
.

Of course it doesn't work because i don't know how to write this procedure.

Is there a dicionary avaiable for these procedures?
Is this SQL language?
I am completly new to SQL

Hello again

Let's begin with the simplest things : No this is not SQL language, this is Delphi (Object Pascal). You'll see, both are pretty easy and even funny. Delphi is for programming  conditions and actions that MVD does not do natively. SQL is for getting info from a database (SQLite or MySQL with MVD).

There are tons of good info sources on the forum and on the web. Do not hesitate if you have questions on any, people here are fast on answers

Now , regarding the script you are trying to write : I am not sure you can test if a button is pressed outside the onclick procedure of this button. We will wait for others or Dmitry's answer, but this would mean you have some kind of background process waiting for that particular button to be pressed. I don't know how to do that, or even if it is possible.

What you could do is

procedure frmAssistencia_BTGRAVAR_OnClick (Sender: string; var Cancel: boolean);
begin
       if frmAssistencia.memoavaria.Text = '' then
              begin
                        Cancel := True;
                        ShowMessage('Your message here.');
               end;
end;

To me, this is the same, except that the BTGRAVAR click test is true because it has been clicked. That leaves you just to test the memoavaria content to test

Let's wait for the others reaction

Cheers

Mathias

i think i know what my problem is... lack of programming skills, i just found out (my myself) that a end with ; means that there's more code below, and an end with . means that's the end of the code...

I dont know why i can't attach files, but here's what's going on:

i've got litteraly this writte on the script:

   procedure Form1_Button1_OnClick (Sender: string; var Cancel: boolean);
begin
    if (Form1.Edit1.Text = '') then
    begin
        Cancel := True;
        ShowMessage('Your message here.');
    end;
end;
begin

end.

The form name is exacly named: Form1
The text box is named Edit1
and the button that saves the form into the table that i named "testes" is named... Button1

I Run the script, it doesn't show any errors, i press button1 without inserting anything on text box, it just saves an empty name.
can't make this thing work... maybe it's a bug?

Hello Vascomorais

If you are new with MVD (we were all even those who finally got by mastering it),
there are two documents that you may find useful :

Here you can find documentation (in english) of My Visual Database:

General documentation about MVD
http://myvisualdatabase.com/help_en/

Tutorial about My Visual Database
http://myvisualdatabase.com/download/MY … MANUAL.pdf

You have also videos created by Dmitry that can be of great help with step by step

JB