Having trouble retrieving the JavaScript value from the label

As a programming newcomer, please bear with me as I navigate through this process.

I am currently working on a .js game that generates a variable named "score".

My goal is to have this variable displayed on an ASP label and then capture its value for database storage when clicked.

So far, I've accomplished the following:

In the .js file:

    document.getElementById('score').value = score;

In the .aspx file:

    <asp:Label runat="server"  ID="score"></asp:Label>

At this point, the score appears on the label. However, my next step is to fetch the 'score' value from the label and utilize it as a String in C#.

c#javascriptasp.net

Answer №1

Utilize the ClientID of a server control as the ID score may have been altered in the HTML generated by ASP.

Adjustment

document.getElementById('score').value = score;

Transformed Into

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

Answer №2

Can you please give the following suggestion a try?

in .js

document.getElementById('<%= txtResult.ClientID %>').innerHTML = 'New Value';
document.getElementById('<%= hdnResult.ClientID %>').value = 'New Value';

in .aspx

<asp:TextBox runat="server" ID="txtResult"></asp:TextBox>
<asp:HiddenField ID="hdnResult" runat="server" />

onclick event

var result = hdnResult.Value;

I believe this solution may help resolve the issue at hand.

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