triggers

ADOQuery, trigger and requery bug

I have an ADOQuery that inserts a record to SQL Server 2005 table that has trigger inserting data to another table. I use following code to refresh the query and avoid Row cannot be located for updating (There are PKs on each table, UpdateCriteria property are set, Cursors are set to Dynamic, yet I still get the error sometimes. However ...

How do I ensure that a table triggered SP has completed to use the data?

I have within my Sql Server 2008 database a trigger which will run on insert and update to populate a calendar table with dates calculated from the date info in the first table. (i.e. start date, end date, repeating sequence information). I am using ASP.Net MVC using Linq to Sql to access the Database. My first view is collecting the da...

SQLite triggers and raising events in other processes

I'm new to triggers so I apologize if this is a stupid question. Is it possible to have a trigger (or some other database mechanism) raise an event in another process. For instance, I need an application to be made aware of a certain activity (update in a specific table with specific data), but I'd rather not have that process poll the...

Trigger Animations

Hi, I have a usercontrol that when I double click on it, I want it to zoom in, if it's not already. If it is, then the double click will zoom out on it. I can get it to work with code behind, but I can't get it to work in xaml. Here is the code behind that handle's the double click event. void MyObjectMouseDoubleClick(object sender, M...

Activate Trigger from Foreign Control

WPF newbie here so excuse the simple question. How do I cause a trigger to fire on a UserControl from a control outside of that UserControl? Here's what I want to do... I have a UserControl with a trigger set to display a background color change on itself when IsMouseOver is True. If I mouse over the UserControl, the trigger fires as...

Problem with Oracle 10g for writing trigger that will create CSV file with the contents of the data in table

How can a trigger be written which is invoked after updating a particular column in the table and creates a CSV file with the contents of same table? I am using Oracle 10g. ...

Noob question on SQL and sqlite triggers

I’m trying to write a trigger for sqlite and just running into all kinds of problems. In truth I think my real problem is with my poor background in the sql language. Anyway here goes… I have two tables Table1 and Table2. Table1 has a column named time (which is a 64bit integer time). I need a trigger that watches for a new row bein...

Trigger to Update Properties of a Parent Object in WPF

I am trying to change the Background Color of the ParentGrid when the child control ( Button ) ChildButton is clicked I want to achive this using Triggers but not sure if this is even possible Please Suggest a way to DO this through XAML only <Grid Name="ParentGrid" Background="Red"> <Button Name="ChildButton" /> </Gri...

Sql 2005 triggers

can triggers be created in assemblies ? ...

Error in if condition - MS SQL server

I am trying to create Update trigger which should be invoked only if the ReturnedOn column is clicked. I have used the following code-snippet but it generates the error: CODING: CREATE TRIGGER trg_ForUpdateOnBookIssuedDetails on BOOKISSUEDDETAILS For update as begin declare @Rows1 int,@Rows2 int if(update(ReturnedOn) begin IF EXISTS(...

Recursive Update trigger issue in SQL 2005

Below is the code snippet with comments which describes the problem statement. We have an update trigger which internally calls another update trigger on the same table inspite of Recursive Trigger Enabled Property Set to false. Would like to understand the reason for this as this is causing a havoc in my applications. /* Drop statemen...

Copying fields in Oracle

Hi, I am not a programmer, but have a task of automatically copying one field in a table to another field in the same table (it's a long story... :-) ). This should be done on update and insert and I really do not know how to go about it. I should point out that data is entered to the DB through a user-interface which we do not have the ...

How to make add a fade-in/fade-out animation based on ViewModel property value?

I have a ViewModel which exposes the string property PageToolBarVisible which can be true or false: private string _pageToolBarVisible; public string PageToolBarVisible { get { return _pageToolBarVisible; } set { _pageToolBarVisible = value; OnPropertyChanged("PageToolBarVisible"); } } ...

How to make a XAML animation make the element disappear AFTER it has faded out

Thanks to the answer on this stackoverflow question I was able to get the following animation to work, so that when the value of my ViewModel property PageToolBarVisible causes the toolbar to fade in and out. The problem is: the toolbar opacity fades out, but it the space it took up is still present after it fades out the initial tool...

How can I make a XAML Trigger call a XAML Style?

This style correctly fades my toolbar in or out based on the changing of a ViewModel Property: <Style x:Key="PageToolBarStyle" TargetType="Border"> <Style.Triggers> <DataTrigger Binding="{Binding PageToolBarVisible}" Value="true"> <DataTrigger.EnterActions> <BeginStoryboard> <...

How to get View element to fade in/out based on value of ViewModel property?

The View and ViewModel listed below show two buttons: when you click Show ToolBar, the toolbar fades in when you click Hide ToolBar, the toolbar fades out However, the following things don't work: when the application is loaded and OnPropertyChanged("PageToolBarVisible") is fired, if the value is false then the Toolbar shows in spi...

WPF Trigger when property value is greater than a certain amount

I want to do something like this: <ControlTemplate.Triggers> <Trigger Property="Width" Value=">25"> <!-- Set values here --> </Trigger> </ControlTemplate.Triggers> Anyway to do something like this? ...

A DB2 Trigger to calculate an average in another table

I got two tables Product(Productname VARCHAR(10), Rating REAL) and Review(RatingID INT, Productname VARCHAR(10), Rating INT). The Rating of the product is the average of all Ratings given in reviews for that specifig product. I'd like to have a trigger, that updates a product whenever a new review is inserted or update, but I just can't ...

How have you successfully implemented MessageBox.Show() functionality in MVVM?

I've got a WPF application which calls MessageBox.Show() way back in the ViewModel (to check if the user really wants to delete). This actually works, but goes against the grain of MVVM since the ViewModel should not explicitly determine what happens on the View. So now I am thinking how can I best implement the MessageBox.Show() functi...

Aliasing inserted and deleted virtual tables in a trigger

How do I alias the inserted and deleted virtual tables in a trigger in MSSQL 2005 so that I can use another set of inserted and deleted virtual tables from an OUTPUT clause later in the trigger? I need to alias these tables in a trigger as per http://msdn.microsoft.com/en-us/library/ms177564%28SQL.90%29.aspx. [Edit] I should have been...