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CheckBox CheckChanged EventHandler not working? Messages   Related Types This message was discovered on microsoft.public.dotnet.languages.csharp. Responses highlighted in red are from those people who are likely to be able to contribute good, authoratitive information to this discussion. They include Microsoft employees, MVP's and others who IMHO contribute well to these kinds of discussions. Post a new message to this list... R Reyes (VIP) I have a login page with two checkboxes, one for automatic login and the other for remember username. When automatic login is checked, I simply want the remember username checkbox to be checked too, but the eventhandler is NEVER executed. do i need to create a different type of event handler? Here is my code: CheckBox cb = new CheckBox(); cb.ID = "myCheckBox"; cb.Text = "Remember Username"; cb.CheckedChanged += new System.EventHandler(this.cb_CheckedChanged); // this is never executed private void cb_CheckedChanged(object sender, EventArgs e) { Response.Write ("WE ARE HERE...AWESOME!!!!"); cbUserNameRemember.Checked = true; } please help. thanks in advance. Reply to this message...        Trebek You have to set the 'AutoPostBack' property to true in order to have your event fire. Of course, this will cause a post back so you might wanna think about client-side script instead if you expect high traffic. HTH, Alex "R Reyes" <Click here to reveal e-mail address> wrote in message news:Click here to reveal e-mail address... [Original message clipped] Reply to this message...        R Reyes (VIP) Oh really? That stinks. I'm not expecting high traffic but I didn't realize you had to have a page submit for a function as easy as this to work. Ugh, I was hoping I wouldn't need to have any client side scripting. I didn't really want to use javascript/vbscript. I like handling everything in c#...at least ever since i've converted. And I guess it was assuming too much that an event handler would be able to change stuff on a webform w/o the need to submit. But...I guess that does make sense. Thanks Trebek. And if anyone has any other ideas besides client-side scripting, I'm all ears. "Trebek" wrote: [Original message clipped] Reply to this message...        Marina I am assuming this is in asp.net, in which case you should post to the asp.net newsgroup in the future. You have to recreate the checkbox and reattach the event handler on postback. "R Reyes" <Click here to reveal e-mail address> wrote in message news:Click here to reveal e-mail address... [Original message clipped] Reply to this message...        R Reyes (VIP) it is an asp.net control, but i am coding the server-side .dll in c#. in fact, i hardly use any asp code in my website at all. mostly all code is done in c# which is why i need the c# solution, not the asp.net solution. "Marina" wrote: [Original message clipped] Reply to this message...        Marina ASP.NET is the term for web application - C# is just one language such an application can be coded in. So an 'ASP.NET solution' is a term that has no meaning, since all solutions will involve a .NET language. "R Reyes" <Click here to reveal e-mail address> wrote in message news:Click here to reveal e-mail address... [Original message clipped] Reply to this message...        R Reyes (VIP) "You have to recreate the checkbox and reattach the event handler on postback." Not sure if I'm understanding how PostBack or recreation works in regard to my problem. I thought PostBacks only happen when a page is submitted. I might be wrong, but anyway I am not submitting the page. It is just suppose to be a CheckChanged event that waits for the user to click the checkbox and then when clicked, changes the true/false value of another checkbox. Where does PostBack or recreation come into play if the page is not being submitted anywhere? This is something that could handled with javascript too but again, I am looking for how to do this in C# code. FYI, I've reposted this in the ASP.NET forums and hopefully someone will have a reply there as well. "Marina" wrote: [Original message clipped] Reply to this message...        R Reyes (VIP) Take a look at Trebek's response. Is that what you meant by PostBack and recreation? Either way I was guessing from his response that I would have to use client side scripting since a Postback has to occur (which I don't really want). I guess I will have to client side script it though unless you had another workaround which you were trying to explain to me that I didn't understand from your previous post. "R Reyes" wrote: [Original message clipped] Reply to this message...        Marina If you want an event to fire on the server - then the page has to make a request to the server. Otherwise how could it possibly happen, with the page sitting on the client and the server being elsewhere and completely disconnected? The page posting to the server, is what can trigger an event - in this case you want the CheckChanged event. If the page is not being submitted, then I don't see how you can expect a server side event to run. If you want a client side event to run - then i don't see how you can expect to have C# code execute in response to it - since that is code that would have to run on the server - but you don't want the page going to the server. In the end, you have to have some javascript on the page, since that is the only way to get client side event handling. "R Reyes" <Click here to reveal e-mail address> wrote in message news:Click here to reveal e-mail address... > "You have to recreate the checkbox and reattach the event handler on postback." [Original message clipped] Reply to this message...        R Reyes (VIP) Got it, thanks. "Marina" wrote: [Original message clipped] Reply to this message...     System.EventArgs System.EventHandler System.Web.UI.WebControls.CheckBox System.Windows.Forms.CheckBox Ad MBR BootFX Best-of-breed application framework for .NET projects, developed by Matthew Baxter-Reynolds and MBR IT

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