Obtain the JavaScript value from a custom ASP.NET control textbox

I have created a unique asp.net custom control that utilizes a text box, which is used in various sections of a form. How can I retrieve the value entered into the text box from different instances of this custom control?

Although I am using the syntax below, it does not seem to be functioning properly.

The property added to the custom control class is as follows -

public TextBox ObjTextBox
{
    get { return objTextBox; }
}

The code provided below is what I am currently using to obtain the value from the custom control.

<script type="text/javascript">
    function met1() { 
        var objTextBox = document.getElementById('<%=MyTextBox1.ObjTextBox.ClientID %>');
        alert(objTextBox.value);
    } 
</script>

Answer №1

Include a new attribute within your personalized control:

public string InputFieldClientID
{
   get 
   { 
     return customInputField.ClientID; 
   }
}

Implement this attribute in the following way:

var customInputField = document.getElementById('<%=MyCustomInput.InputFieldClientID %>');

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