I have an HTML helper textBox like this:
@Html.TextBox("txt1") <br />
Now I want to fire a javascript onchange event on this textbox. Is it possible to do so or should I use an HTML input type instead.
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2 Answers
You can specify html attributes using the htmlAttributes parameter of the TextBox Html helper method like so:
@Html.TextBox("txt1", null, new { onchange="..." })
See: InputExtensions.TextBox Method
From the above link:
The htmlAttributes parameter consists of an object that contains name/value pairs. The attributes that are specified in the name/value pairs depend on the HTML element that is being rendered.
Comments
If you have an ID for this textbox, you can hook the event to the textbox using Jquery.
$("#textboxid").keydown(function(event) {
alert("Hey!");
});
Note that I've used the Keydown event. You can also use press or up events.
Or you can make the binding in the ready event.
$(document).ready(function(){
$("#textboxid").bind("onchange", yourfunction);
});
