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Editorial Team
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Asked: 2026-06-04T22:30:35+00:00

i have a textbox whose property i need to set as readonly… how to

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i have a textbox whose property i need to set as readonly…
how to set that?
I tried 

document.getElementbyid("txtbox").readonly=true;
document.getElementbyid("txtbox").disable=true;
document.getElementbyid("txtbox").setattribute("readonly","readonly");

all these are not working for me.
Disable is working but that is passing the control values as null to the database…again that is a problem for me..

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1 Answer

  1. Editorial Team

    You can set an ASP.NET textbox readonly through javascript.
    Here is how:

    <script type="text/javascript">
    function setReadOnly(){
        var textbox = document.getElementById("TextBox1");
        textbox.readOnly = "readonly";//readOnly is cese-sensitive
        }

<body onload=" setReadOnly ()">
    <form id="form1" runat="server">
    <div>
        <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
    </div>
    </form>
</body>

    Hope it’ll help you.

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