eventtrigger

问题 I'm building an application with WPF in MVVM style. I'm trying to make filter on my DataGrid when I check or uncheck several CheckBoxes for filtering. I've found solution with Interaction.Triggers , but it's not working for me in this case. Here is my code: <ListBox ItemsSource="{Binding PortsFilterSource}" Background="LightGray" BorderThickness="0" Grid.Column="1"> <ListBox.ItemTemplate> <DataTemplate> <CheckBox Content="{Binding Name}" IsChecked="{Binding IsChecked}"> <i:Interaction

问题 I have 2 Extended Toolkit Datagrids in a window tied to 2 observable collections called Accounts and History. I would like to bind the cell edit ended event of the History DataGrid to a Command in my view model so that I can, among other things, update a value in the Accounts observable collection and have it reflected in the view. To test that everything could work I used the below event: <i:Interaction.Triggers> <i:EventTrigger EventName="SelectionChanged"> <cmd:EventToCommand Command="

问题 I have a simple table called 'followers': id fb tw sum 1 2 4 2 6 5 3 4 8 I want to create a trigger such that after inserting data into the 'fb' and 'tw' columns, the fourth colum 'sum' will be the sum of fb+tw. Here is my code for the trigger: USE `my_database`; DELIMITER $$ CREATE TRIGGER `followers_AINS` AFTER INSERT ON `followers` FOR EACH ROW BEGIN UPDATE sum SET sum=fb+tw END DELIMITER; I keep getting a DDL error. 回答1: Use a before trigger. And set the values with the NEW keyword to

问题 I am a designer using Expression Blend 4 and our environment is .NET 3.5. This issue may be simple to you guys, but it is causing me quite a problem. I need to apply an interaction to a button that will trigger a state when the button becomes enabled. On the button, the developer has a Boolean value associated with the IsEnabled property. I have to supply the EventTrigger with an EventName, and the only thing that I can think of is IsEnabledChanged. However, when I run the app, this does

问题 I am trying to load jsvascript files at runtime like this <script type="text/javascript" src="jquery/jquery.js"></script> <script type="text/javascript"> var SRC_URL = 'http://localhost/mytest/scripts/'; var scripts = [ 'jquery/colorbox/jquery.colorbox.js', 'app/mbro.js' ]; for (var x = 0; x < scripts.length; x++) { sUrl = SRC_URL + scripts[x]; $.ajax({ url: sUrl, dataType: "script", async: false, success: function() { console.log(x + ': ' + sUrl); } }); } </script> What I am trying here is

问题 I would like to change a couple of column values before they get inserted. I am using Informix as database. I have a table consisting of 3 columns: Name (NVARCHAR), Type (INT), Plan (NVARCHAR). Every time a new record is inserted, I would like to check the Name value before inserting it. If the Name starts with an F, I would like to set the Type value to 1 and the Plan Name to "Test" In short, what I want the trigger to do is: For every new insertion, first check if Name value starts with F.

问题 I have a WPF style that is a border. It is used for a button. <Style x:Key="RoundCorner" TargetType="{x:Type Button}"> <Setter Property="ClickMode" Value="Press"/> <EventSetter Event="PreviewMouseUp" Handler="RegularButtonRelease"/> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="{x:Type Button}"> <Grid x:Name="grid"> <Border x:Name="border" CornerRadius="2" BorderBrush="#FF444444" BorderThickness="1"> <Border.Background> <LinearGradientBrush StartPoint="0.5,0"

问题 I have 30+ users each with their own spreadsheet. Each user's bound script references a custom library script that I use to keep my code centralized and easy to update. I'm trying to use apps script to create triggers that run a specific function at a specific time. However, I can't figure out how to specify which script document the clock trigger is installed on. Here's what I tried first: createTimeTrigger("sendTimesheetsToHeads",1440); function createTimeTrigger(functionToRun,minutesToWait

问题 Well After you edit in a row in this table i've created on focusout it suppose to reload the entire row with updated data, the thing is the trigger event stop working after the first load so any changes done after the first one doesnt get saved. I use currently this code $(function () { $.ajaxSetup ({ cache: false }); $("td input").focusout(function() { var defval = $(this).attr('title'); var value = $(this).attr('value'); var column = $(this).closest('td').attr('class') var user = $('input

问题 I have a UITextField that I need to select programmatically so when the user taps on a date in a UIDatePicker, it will be sent to that UITextField. This is the code I have, which does not select the UITextField; I have tried all possible combinations of UIControlEvent , but none of them work. Any other ideas? // set textField parameters if([whichTextField isEqualToString:@"oStartTime"]) { oStartTime.backgroundColor = [UIColor colorWithRed:252.0/255.0 green:255.0/255.0 blue:197.0/255.0 alpha:1