utilizing JavaScript in an ASP.NET environment to reset the textbox on the client side

I need assistance with resetting a text box client-side using JavaScript. I have tried multiple methods to reset the textbox, but none seem to be working.

cText = "";
document.getElementById("<%=txtText.ClientID %>").value = cText;

and

document.getElementById("<%=txtText.ClientID %>").value = "";

If anyone can provide help with this issue, it would be greatly appreciated.

Here is the code snippet:

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<script type="text/javascript>
        function validate() {
            var cText = document.getElementById('<%=txtText.ClientID %>').value;

            if (cText != "") {
                alert("Text is not null.");
                document.forms['UserMaster'].elements['txtText'].focus();
                $("#<%=txtText.ClientID %>").val("");
                return false;
            }

            return true;
        };
    </script>
</head>
<body>
    <form id="form" runat="server">
    <div class="page">
                <asp:TextBox ID="txtText" runat="server"></asp:TextBox>
                <br/>
                <asp:Button ID="btnSubmit" runat="server" Text="Submit" Font-Bold="true" OnClientClick="return validate()"
                ForeColor="#9370DB" Height="23px" Width="65px" OnClick="btnSubmit_Click"
                />
            <br />
   </div>
     </form>
</body>
</html>

Answer №1

Below is the resolution to your problem:

document.getElementById('<%=txtText.ClientID %>').value='';

You were utilizing double quotation marks which was causing issues for you. The correct approach is to use single quotes as demonstrated in the code above. That was the root cause of your problem.

.value=" ";   //is Incorrect

Keep coding happily!

Answer №2

Encountering a similar issue led me to try out a solution that resolved the problem. By inspecting the control through the browser, I was able to obtain the specific ID of the control.

// ControlClientID represents the identified control from inspection
document.getElementById(ControlClientID).value='';

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