Transferring data from JavaScript to ASP.NET (via AJAX)

I'm trying to figure out how to pass variables from JavaScript to a textbox. I have a variable in JavaScript but I am unsure how to transfer it to the textbox. I have heard that using AJAX makes it easy, but I don't know how to implement it. I thought AJAX was just for preventing reloads, so how can I achieve this? I read that I need to use GET and POST, but I am unsure how to do so. For example, I have the following code:

function guardar() {
    var completo = "hello world";
}

How can I extract the variable completo and pass it into a textbox?

c#javascriptasp.netajaxfunction

Answer №1

Based on my interpretation of your inquiry, with the help of jQuery, the following code snippet would accomplish the task:

$("#myTextboxId").val(completo);

This JavaScript code will assign the value stored in the variable completo to the textbox identified by the id myTextboxId.

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