I hav developed a project in vb.net and sqlexpress 2005 as back end
to deploy a project i used inno setup wizard
i hav develped a custom form in inno setup with the following code
on that form i used three textboxes and now i want to set value for the text box in script like product id
while installing software if text box value is inserted which was in code then only next button activated

Pls.......Help AnyOne
See the following code and help me
Thank U In advance Its urgent



[Code]
var
Label1: TLabel;
Label2: TLabel;
Label3: TLabel;
Edit1: TEdit;
Edit2: TEdit;
Edit3: TEdit;
Edit4: TEdit;
Edit5: TEdit;
Edit6: TEdit;

{ CustomForm_Activate }

procedure CustomForm_Activate(Page: TWizardPage);
begin
// enter code here...


end;

{ CustomForm_ShouldSkipPage }

function CustomForm_ShouldSkipPage(Page: TWizardPage): Boolean;
begin
Result := False;
end;

{ CustomForm_BackButtonClick }

function CustomForm_BackButtonClick(Page: TWizardPage): Boolean;
begin
Result := True;
end;

{ CustomForm_NextkButtonClick }

function CustomForm_NextButtonClick(Page: TWizardPage): Boolean;
begin
RegWriteStringValue(HKEY_LOCAL_MACHINE, 'Software\SGS2.2\CS',
'College Name', Edit1.Text);
RegWriteStringValue(HKEY_LOCAL_MACHINE, 'Software\SGS2.2\CS',
'Product Type', Edit2.Text);
RegWriteStringValue(HKEY_LOCAL_MACHINE, 'Software\SGS2.2\CS',
'Product ID', Edit3.Text);
Result := True;
end;

{ CustomForm_CancelButtonClick }

procedure CustomForm_CancelButtonClick(Page: TWizardPage; var Cancel, Confirm: Boolean);
begin
// enter code here...
end;

{ CustomForm_CreatePage }

function CustomForm_CreatePage(PreviousPageId: Integer): Integer;
var
Page: TWizardPage;
begin
Page := CreateCustomPage(
PreviousPageId,
ExpandConstant('{cm:CustomForm_Caption}'),
ExpandConstant('{cm:CustomForm_Description}')
);

{ Label1 }
Label1 := TLabel.Create(Page);
with Label1 do
begin
Parent := Page.Surface;
Caption := ExpandConstant('{cm:CustomForm_Label1_Caption0}');
Left := ScaleX(16);
Top := ScaleY(24);
Width := ScaleX(70);
Height := ScaleY(13);
end;

{ Label2 }
Label2 := TLabel.Create(Page);
with Label2 do
begin
Parent := Page.Surface;
Caption := ExpandConstant('{cm:CustomForm_Label2_Caption0}');
Left := ScaleX(17);
Top := ScaleY(56);
Width := ScaleX(70);
Height := ScaleY(13);
end;

{ Label3 }
Label3 := TLabel.Create(Page);
with Label3 do
begin
Parent := Page.Surface;
Caption := ExpandConstant('{cm:CustomForm_Label3_Caption0}');
Left := ScaleX(17);
Top := ScaleY(88);
Width := ScaleX(70);
Height := ScaleY(13);
end;

{ Edit1 }
Edit1 := TEdit.Create(Page);
with Edit1 do
begin
Parent := Page.Surface;
Left := ScaleX(115);
Top := ScaleY(24);
Width := ScaleX(273);
Height := ScaleY(21);
TabOrder := 0;
end;

{ Edit2 }
Edit2 := TEdit.Create(Page);
with Edit2 do
begin
Parent := Page.Surface;
Left := ScaleX(115);
Top := ScaleY(56);
Width := ScaleX(273);
Height := ScaleY(21);
TabOrder := 1;
end;

{ Edit3 }
Edit3 := TEdit.Create(Page);
with Edit3 do
begin
Parent := Page.Surface;
Left := ScaleX(115);
Top := ScaleY(88);
Width := ScaleX(273);
Height := ScaleY(21);
TabOrder := 2;
end;

with Page do
begin
OnActivate := @CustomForm_Activate;
OnShouldSkipPage := @CustomForm_ShouldSkipPage;
OnBackButtonClick := @CustomForm_BackButtonClick;
OnNextButtonClick := @CustomForm_NextButtonClick;
OnCancelButtonClick := @CustomForm_CancelButtonClick;
end;

Result := Page.ID;
end;

{ CustomForm_InitializeWizard }

procedure InitializeWizard();
begin

CustomForm_CreatePage(wpWelcome);

end;