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  • Category: JavaScript

    assigning a value to label from javascript


    I am doing a validation using javascript. Checking the field for validation. I want to assign the alert message to a label "user control" which is in the aspx page.

    I tried
    function check()
    var a = document.getElementById('textboxname');
    var stra = a.value;
    if(stra.length ==0)
    document.getElementById('Label1').value = "pls enter the value';


    Pls. help me to solve this I am not able to set the value to the labal.

  • #63016

    you can assing the values using document.form

    To access txtFirstName in your aspx page using JavaScript, use:


    To set txtFirstName, use:

    document.forms[0]['TestControl:txtFirstName'].value = 'Naveena'

    Please refer this URL


  • #63018
    use the below code to assign a text to the label.

    document.getElementById("Label1").innerHTML = "pls enter the value'";

  • #307226
    use the innerHTML property instead of value property.Because labels renderd as a <span> tag and it don't have value property

  • #324217
    document.getElementById("Label1").innerText="pls enter value"
    document.getElementById("Label1").innerHTML="pls enter value"

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