How to Call a Server side Function on the Client side Pin

[vuyiswam]

Good Day All


i have a Function e.g



public String Getdata(String mystr)

{

//Do what ever

//return a String

}





and i want to call this function and pass data in Javascript like this


function KeyPress() {
var TExtbox1 = document.getElementById('Text1');

if (TExtbox1.value.length == 2) {

//call the function here and pass the textbox1 value.

return false;
}
}




Thanks

[dannystommen]

Take a look at this (http://msdn.microsoft.com/en-us/library/aa479042.aspx). I believe that is wat you're looking for.

[vuyiswam]

Good Day Danny

Thank you for your kind Replies. This is what i have done so far


i have a HTML textbox defined like this



<input type="Text" id="Text1" onkeypress="keyPress()" />



and on the Server side , i am using page method , i have a function that is defined like this



[WebMethod, System.Web.Script.Services.ScriptMethod]
public static string Getadata(String Data)
{
String Scriptt = Data;
return Scriptt;
}




and i access this method like this on the client side



function keyPress() {
var tb = document.getElementById('Text1');
if (tb.value.length == 2)
PageMethods.Getadata(tb.value, myFunction);
return false;
}
function myFunction(msg) {
alert(msg);
}



and its working fine, but now i want to know how to use this in a normal asp.net textbox , because it does not have a keypress event and the defination of the textbox is like this


<asp:TextBox ID="Text2" runat="server"></asp:TextBox>


Thanks

[HanneSThEGreaT]

Have you tried something like this :

<asp:textBox id=myID onkeypress="javascript:keypress()">

Also, vuyiswam, your signature is too long, it breaks up post - flow. Please try to shorten it. Thank you.

Hannes

[vuyiswam]

Good Day

My javascript looks like this


<script type="text/javascript">
function keyPress() {
var txt2 = document.getElementById("<%=txt2p%>");
alert(txt2);
if (txt2.value.length <= 2)
{
PageMethods.Getadata(txt2.value, myFunction);
}
return false;
}
function myFunction(msg) {
alert(msg);
}
</script>


the asp.net textbox does not a .value property in javascript

Thanks

[HanneSThEGreaT]

Is this a new question or what??

I suggest you study up on the JavaScript DOM. Do a google search on that ;)

You can get the value of a textbox with JavaScript, like this :

document.getElementById(id).value

Please, I'm asking nicely, and the last time, edit your signature to be shorter, please.