Trying to use .js file for dropdownlist autocomplete in ASP.NET application

[bubberz]

When I run the page, I get an "Object Expected" on line 16, which points to the asp:dropdownlist line in the HTML of the .aspx page.

 

Here's the .js file:

 

var keys;

var timeStamp;

timeStamp = new Date();

function dd_onkeypress(DropDownList1) {

* var key = event.keyCode;

* event.returnValue=false;

*//a-z, A-Z, 0-9

* if ((key>=97 && key<=122) || (key>=65 && key<=90) || (key>=48 && key<=57)) {

* ********key = String.fromCharCode(key);

* ********var now = new Date();

* ********var diff = (now.getTime() - timeStamp.getTime());

* ********timeStamp = new Date();

* ********//1 seconds = 1000 milliseconds<BR>***

* ********if (diff > 1000) {

* ********************keys = key;****

* *********************} else {

* *********************keys = keys + key;

* *********************}

* *********************var cnt;

* *********************//for (cnt=0;cnt<document.all(DropDownList1).children.length;cnt++)

* *********************//for (cnt=0;cnt<DropDownList1.children.length;cnt++)

* *********************for (cnt=0;cnt<DropDownList1.options.length;cnt++) {

********************** var itm = DropDownList1.options[cnt].text;

********************** if

(itm.substring(0,keys.length).toLowerCase()==keys.toLowerCase())

* *********************{

* *********************//var itm = document.all(DropDownList1).children[cnt].text;

* *********************//var itm = DropDownList1.children[cnt].text;

* *********************//if (itm.substring(0,keys.length).toLowerCase()==keys.toLowerCase())

{

//document.getElementById(DropDownList1).selectedIndex = cnt;

DropDownList1.selectedIndex = cnt;

break;

}

}

}

//document.all(DropDownList1).onchange();

}

 

For the Page_Load in the .aspx.vb file I've got:

DropDownList1.Attributes.Add("onkeyup", "javascript:return dd_onkeypress('DropDownList1');")

[mark007]

Is this a javscript or asp.net error? Have you made sure your dropdown is declared?

[bubberz]

Is this a javscript or asp.net error? Have you made sure your dropdown is declared?

 

Well, if I comment out the Page_Load .aspx code that calls the .js file's function, then the page doesn't throw an error, and the dropdownlist acts as it should from the .NET toolbox