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Accessing a code behind function on keypress event

 
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Accessing a code behind function on keypress event, Accessing a code behind function on keypress event
penn.nila
13 Oct, 2008 - 09:21 PM
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I havent wriiten an code. i just wanted to know how to call a codebehind function on keypress even in c#. is it possible to call a server side function when a key in? Please give me the code snippets example of any text box keypress event. syntaxt of the event call.

This post has been edited by penn.nila: 13 Oct, 2008 - 09:24 PM
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gabehabe
RE: Accessing A Code Behind Function On Keypress Event
14 Oct, 2008 - 01:59 AM
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If you just double click it in design view it will automatically add a method called void TextBox1_TextChanged()

That's the function that you should edit~

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(Note that if you want to do it yourself, you can)
this.textBox1.TextChanged += new System.EventHandler(myEventHandler);


Then, your event handler function should look like this:
csharp
void myEventHandler(object sender, EventArgs e) {
    // do stuff here
}

Hope this helps smile.gif
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penn.nila
RE: Accessing A Code Behind Function On Keypress Event
14 Oct, 2008 - 02:23 AM
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Hey dude!

Thanks a lot for the swift reply.

Cheers, GBU. smile.gif

QUOTE(gabehabe @ 14 Oct, 2008 - 02:59 AM) *

If you just double click it in design view it will automatically add a method called void TextBox1_TextChanged()

That's the function that you should edit~

smile.gif

(Note that if you want to do it yourself, you can)
this.textBox1.TextChanged += new System.EventHandler(myEventHandler);


Then, your event handler function should look like this:
csharp
void myEventHandler(object sender, EventArgs e) {
    // do stuff here
}

Hope this helps smile.gif
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eclipsed4utoo
RE: Accessing A Code Behind Function On Keypress Event
14 Oct, 2008 - 04:38 AM
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I don't think that is what you want to do. since you said "server side function", I will assume this is in ASP.Net(you probably should have posted this in the ASP.Net forum). calling a server side function will cause you to do a postback. doing a postback on every keypress is HIGHLY inefficient.

you will want to use javascript.
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gabehabe
RE: Accessing A Code Behind Function On Keypress Event
14 Oct, 2008 - 06:06 AM
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Didn't see that bit blush.gif
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