triggers

Where i write MySQL trigger

Hi all, I didn't write any trigger for my works. Now i want to know how to write trigger . And where it write . Is it possible to write trigger as sql query in phpmyadmin .. Please help me to write a simple trigger... I tried like below Create Trigger sales_bi_trg BEFORE INSERT ON sales FOR EACH ROW BEGIN DECLARE num_row INTEGER ; D...

Trigger Property on another WPF control event

Suppose I have a ListView and TextBox and they are located in different containers in the same Window. Selecting items in the listview I want the TextBox Text property to be updated in accordance with the listview data bound selected item. Is it possible in XAML? ...

MySQL triggers cannot update rows in same table the trigger is assigned to. Suggested workaround?

MySQL doesn't currently support updating rows in the same table the trigger is assigned to since the call could become recursive. Does anyone have suggestions on a good workaround/alternative? Right now my plan is to call a stored procedure that performs the logic I really wanted in a trigger, but I'd love to hear how others have gotten ...

Oracle trigger failed -ORA-04098

I have a table for which i have written a trigger: CREATE OR REPLACE TRIGGER ac01_control_trigg AFTER INSERT ON ac1_control_test FOR EACH ROW DECLARE BEGIN IF :NEW.cur_pgm_name = 'LSN' AND :NEW.nxt_pgm_name ='MD' AND :NEW.file_status='RD' THEN INSERT INTO ac1_control_test (FILE_NAME, FILE_PATH,FILE_STATUS,CUR_P...

Mysql BEFORE UPDATE trigger activation time

I have two InnoDB tables: CREATE TABLE master( id INTEGER UNSIGNED NOT NULL auto_increment PRIMARY KEY ); CREATE TABLE details( id INTEGER UNSIGNED NOT NULL auto_increment PRIMARY KEY, master_id INTEGER UNSIGNED NOT NULL, CONSTRAINT `byMasterId` FOREIGN KEY (`master_id`) REFERENCES `master`(`id`) ON UPDATE CASCADE ON DELE...

Can I copy :OLD and :NEW pseudo-records in/to an Oracle stored procedure?

I have an AFTER INSERT OR UPDATE OR DELETE trigger that I'm writing to store every record revision that occurs in a certain table, by copying the INSERT and UPDATE :NEW values into a mirror table, and for DELETE the :OLD values. I could un-clutter my code considerably by conditionally passing either the :NEW or :OLD record into a proced...

Data tweaking code runs fine when executed directly - but never stops when used in trigger

I have written some code to ensure that items on an order are all numbered (the "position number" or "item number" has been introduced only recently and we did not want to go and change all related code - as it is "asthetics only" and has no functional impact.) So, the idea is to go and check for an records that jave an itemno of NULL o...

how to activate trigger after all the bulk insert(s) in mysql

I am using mysql and there are bulk inserts that goes on to my table. My doubt is if I create a trigger specifying after insert, then the trigger will get activated for every insert after, which I do not want to happen. Is there any way to activate a trigger after all the bulk inserts are completed? Any advice? Thanks. ...

Remove/Stop Storyboard on DataContext change

General context : MVVM application. I have a View called JobView. Its DataContext is a class called Job. Within Job is a property called AuthorizationNeeded. A Border in the view has a style (from a resource dictionary) and that style has a data trigger which starts and stops a storyboard based on the bound property AuthorizationNeed...

Adding a trigger to a WPF custom control

Hi! I have a custom user control named DatePicker.xaml. Its code behind is DatePicker.xaml.cs: namespace GesHoras.UserControls { /// <summary> /// Lógica de interacción para DatePicker.xaml /// </summary> /// public partial class DatePicker : UserControl { <...> private int _day; private int _year; private int _month...

WPF: Activate Trigger when a MVVM bound property changes

Hi, somehow I am going in circles here. Please forgive me if the answer to this question is obvious. I want to react to changed properties in the ViewModel in the View. When the properties (bool) change the View should start an animation (BeginStoryBoard). Actually in my application there are 4 of these properties each with its own nam...

Trigger not executing when a Batch Update runs.

I am using VB.Net 2008 and ADO.Net to do a Batch Update to our Oracle database. The updates are working, but there is a trigger on the table before the row is updated to enforce a member's termination termination date. So if I was trying to set the termination date (via the batch update) to 31-Jan-2010 but the member had a claim that w...

Foreground of Button not changing in property trigger

Why does this trigger work (Changing the foreground of the button to "Red" when the mouse is over) <Grid> <Grid.Resources> <Style TargetType="{x:Type Button}"> <Style.Triggers> <Trigger Property="IsMouseOver" Value="True"> <Setter Property="Foreground" Value="Red"/> </Trigger> </Style.Triggers> </Style> </Grid.R...

Trigger Problem, Update Panel Does Not Work?

Hi, I create dynamic LinkButton and I add LinkButton's Click Trigger to UpdatePanel. Now, When I first click to any one of link button trigger is runing good and show my select whitout POSTBACK. After That, I click other LinkButton All Page Loading and POSTBACK running so Trigger Does Not Work! What is the problem ? Please Help! protec...

Creating trigger in SQL Server 2005 (has to work in 2008 too) to prevent duplicates?

I have table that I insert data with following query (from c# code): INSERT INTO [BazaZarzadzanie].[dbo].[Wycena] ([KlienciPortfeleKontaID] ,[WycenaData] ,[WycenaTyp] ,[WycenaWartosc] ,[WycenaWaluta] ,[WycenaUzytkownik] ,[WycenaUzytkownikData]) VALUES (@varKlienciPortfeleKontaID ,@varWycenaData ,@varWycenaT...

Use trigger for auto-increment

I'm trying to solve the problem that composite keys in sqlite don't allow autoincrement. I don't know if it's possible at all, but I was trying to store the last used id in a different table, and use a trigger to assign the next id when inserting a new reccord. I have to use composite keys, because a single pk wouldn't be unique (becau...

Reference updated row for SQL Server trigger

I want to always update the value of an update row in the database. Imagine, i have a table with names and prices Every time a row is inserted or updated, i want to lower the price by a fixed amount. How can I do this with SQL server 2005? I have now something like CREATE TRIGGER LowerPriceOnInsert ON products AFTER INSERT, UPDATE AS...

Does MySQL have time-based triggers?

I would like to execute a procedure periodically, how to do that in MySQL? ...

Silverlight Triggers in a Button Template?

Does anyone have a functioning example of how to use triggers in a Silverlight Button Template using the Microsoft.Expression.Interactivity dlls? I want to respond to the click event in a Button's template defined in a style, by triggering an animation. ...

Change property depending on property in other control - WPF

I want to use some kind of trigger to change a button in my window to IsEnabled = False when the textbox property Validation.HasErrors of my textbox is True. Can I do this with Triggers of some kind on the Button? If yes, some example would be nice! ...