I am having a bit of a problem adding a few check boxes and an event handler programatically. The check boxes all appear fine, but they don’t do anything when clicked. Does anyone have any idea what I am doing wrong?
This is a bit of a Visual Studio question. I feel with all the helpful Intellisense there should be something to assist but I can’t seem to find it.
On Page_Init I create a table of dynamically created controls based on a couple of database tables. One of the controls is an ImageButton for moving an list item up the list. What this event handler does is to update the SortOrder column in the database for the affected items.
I want to create an amount of controls dynamically based on a number the user enters into a textbox. This part I have working fine, but I also need the dynamically created textboxes to have event handlers of their own, so the user can enter a number into them, and have more controls created.
I have an ASP.NET GridView that’s bound to an ObjectDataSource (which is bound to a MySQL database). On this grid, I have 2 unbound ButtonField columns that I want to trigger server-side events. Hence I have added an eventhandler method to the GridView‘s RowCommand event.
Maybe I’m slow, but I just don’t get why you would ever use an event that is not derived from an actual action (like clicking). Why go through the rigamarole of creating delegates and events when you can just call a method? It seems like when you create an event, all you’re doing is creating a way for the caller to go through some complicated process to call a simple method. And the caller has to raise the event themselves! I don’t get it.
In C#, I am running the WebBrowser (WB) control in a server-side thread and want to monitor (listen) for “onpropertychange” events. I can successfully attach a .NET delegate signature method that is executed when a property changes, but the sender and e objects are both null in every call to qEventHndlr, therefore, I don’t know which property changed to fire the event. el is an HTMLElement that is iterated in a foreach loop to attach the eventhandler to each element to monitor (listen).
This isn’t a crucial piece of knowledge for me, but I would still like to know what exactly is happening here.
I have a simple usercontrol which raises an event on button click
Like many others, I’m trying to invoke a .NET control’s server-side event from JavaScript.