triggers – Page 10 – Tarik Billa

How to set MouseOver event/trigger for border in XAML?

February 12, 2023 by Tarik

Yes, this is confusing… According to this blog post, it looks like this is an omission from WPF. To make it work you need to use a style: <Border Name=”ClearButtonBorder” Grid.Column=”1″ CornerRadius=”0,3,3,0″> <Border.Style> <Style> <Setter Property=”Border.Background” Value=”Blue”/> <Style.Triggers> <Trigger Property=”Border.IsMouseOver” Value=”True”> <Setter Property=”Border.Background” Value=”Green” /> </Trigger> </Style.Triggers> </Style> </Border.Style> <TextBlock HorizontalAlignment=”Center” VerticalAlignment=”Center” Text=”X” /> </Border> … Read more

Refresh a materialized view automatically using a rule or notify

January 26, 2023 by Tarik

You should refresh the view in triggers after insert/update/delete/truncate for each statement on table1 and table2. create or replace function refresh_mat_view() returns trigger language plpgsql as $$ begin refresh materialized view mat_view; return null; end $$; create trigger refresh_mat_view after insert or update or delete or truncate on table1 for each statement execute procedure refresh_mat_view(); … Read more

How to trigger click event on href element

January 19, 2023 by Tarik

The native DOM method does the right thing: $(‘.cssbuttongo’)[0].click(); ^ Important! This works regardless of whether the href is a URL, a fragment (e.g. #blah) or even a javascript:. Note that this calls the DOM click method instead of the jQuery click method (which is very incomplete and completely ignores href).

Trigger change event of dropdown

January 16, 2023 by Tarik

I don’t know that much JQuery but I’ve heard it allows to fire native events with this syntax. $(document).ready(function(){ $(‘#countrylist’).change(function(e){ // Your event handler }); // And now fire change event when the DOM is ready $(‘#countrylist’).trigger(‘change’); }); You must declare the change event handler before calling trigger() or change() otherwise it won’t be fired. … Read more

jQuery click anywhere in the page except on 1 div

January 13, 2023 by Tarik

You can apply click on body of document and cancel click processing if the click event is generated by div with id menu_content, This will bind event to single element and saving binding of click with every element except menu_content $(‘body’).click(function(evt){ if(evt.target.id == “menu_content”) return; //For descendants of menu_content being clicked, remove this check if … Read more

How do you change Background for a Button MouseOver in WPF?

December 30, 2022 by Tarik

To remove the default MouseOver behaviour on the Button you will need to modify the ControlTemplate. Changing your Style definition to the following should do the trick: <Style TargetType=”{x:Type Button}”> <Setter Property=”Background” Value=”Green”/> <Setter Property=”Template”> <Setter.Value> <ControlTemplate TargetType=”{x:Type Button}”> <Border Background=”{TemplateBinding Background}” BorderBrush=”Black” BorderThickness=”1″> <ContentPresenter HorizontalAlignment=”Center” VerticalAlignment=”Center”/> </Border> </ControlTemplate> </Setter.Value> </Setter> <Style.Triggers> <Trigger Property=”IsMouseOver” Value=”True”> … Read more

SQL update trigger only when column is modified

December 29, 2022 by Tarik

You have two way for your question : 1- Use Update Command in your Trigger. ALTER TRIGGER [dbo].[tr_SCHEDULE_Modified] ON [dbo].[SCHEDULE] AFTER UPDATE AS BEGIN SET NOCOUNT ON; IF UPDATE (QtyToRepair) BEGIN UPDATE SCHEDULE SET modified = GETDATE() , ModifiedUser = SUSER_NAME() , ModifiedHost = HOST_NAME() FROM SCHEDULE S INNER JOIN Inserted I ON S.OrderNo = … Read more

How do you list all triggers in a MySQL database?

December 19, 2022 by Tarik

The command for listing all triggers is: show triggers; or you can access the INFORMATION_SCHEMA table directly by: select trigger_schema, trigger_name, action_statement from information_schema.triggers You can do this from version 5.0.10 onwards. More information about the TRIGGERS table is here.

MySQL Fire Trigger for both Insert and Update

December 11, 2022 by Tarik

You have to create two triggers, but you can move the common code into a procedure and have them both call the procedure.

Difference between FOR and AFTER triggers?

December 2, 2022 by Tarik

There is no difference, they do the same thing. CREATE TRIGGER trgTable on dbo.Table FOR INSERT,UPDATE,DELETE Is the same as CREATE TRIGGER trgTable on dbo.Table AFTER INSERT,UPDATE,DELETE An INSTEAD OF trigger is different, and fires before and instead of the insert and can be used on views, in order to insert the appropriate values into … Read more