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How to invoke the JavaScript function from code behind (c# / controller)?

How to invoke the JavaScript function from code behind (c# / controller)?

In MVC, Controller - I will have to enable or disable the text box in the Controller.

In c#, i will have to fetch the HTML element id.

Then based on the condition result loaded from database, I will have to enable or disable the Textbox element id.

if ($("input:radio[name='RadioButtonSelection']:checked").length > 0) 
{
            var isChecked = document.getElementById("RadioButtonSelectionYes").checked;

            if (isChecked == true)
            {
                document.getElementById('ShowTextBox').disabled = false;
                
            } else if (isChecked == false)
            {
                document.getElementById('ShowTextBox').checked = true;
                document.getElementById('ShowTextBox').disabled = true;
            }
}

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Ioannis Paraskevopoulos

Hi,

If you have a razor view you can do that with razor.

For instance have a variable in ViewBag in your controller like this:

ViewBag.isDisabled = true;

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Then in your view you may have it like this:

<input type="checkbox" disabled="@(ViewBag.isDisabled == true ? "disabled" : string.Empty)" />

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Giannis

chokka

ASKER

Thank you

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