Change Label Color According to the Checkbox check Status

In this ASP.Net post, we show you how to change the Label Text color according to change the Checkbox check status.

STEP 1- Design the ASP.Net web page with Three Checkbox control and one Label Control :

<table border=”1″ bordercolor=”#000000″ style=”z-index: 100; left: 272px; position: absolute;
top: 72px”>
<tr>
<td colspan=”3″ style=”width: 582px”>
<asp:Image ID=”Image1″ runat=”server” ImageUrl=”https://meeraacademy.com/wp-content/themes/elemin/uploads/logo/meeralogo.gif” /></td>
</tr>
<tr>
<td colspan=”3″ rowspan=”2″ style=”width: 582px; height: 21px; text-align: center”>
<table>
<tr>
<td colspan=”2″ style=”height: 24px; text-align: center”>
<strong>Change Color according to CheckBox</strong></td>
</tr>
<tr>
<td style=”width: 181px; height: 24px; text-align: right;”>
</td>
<td style=”width: 255px; height: 24px;”>
&nbsp;<asp:CheckBox ID=”chkRed” runat=”server” Text=”Red” Font-Bold=”True” AutoPostBack=”True” OnCheckedChanged=”chkRed_CheckedChanged” />
&nbsp;&nbsp;
<asp:CheckBox ID=”chkblue” runat=”server” Font-Bold=”True” Text=”Blue” AutoPostBack=”True” OnCheckedChanged=”chkblue_CheckedChanged” />&nbsp;
<asp:CheckBox ID=”chkGreen” runat=”server” AutoPostBack=”True” Font-Bold=”True” OnCheckedChanged=”chkGreen_CheckedChanged”
Text=”Green” /></td>
</tr>
<tr>
<td style=”width: 181px”>
</td>
<td style=”width: 255px”>
<asp:Label ID=”lblanswer” runat=”server” Font-Bold=”True”></asp:Label></td>
</tr>
</table>
</td>
</tr>
<tr>
</tr>
</table>

STEP 2 – write the below code at coding page on ASP.Net aspx.cs page:

 protected void chkRed_CheckedChanged(object sender, EventArgs e)
{
lblanswer.Text = “RED”;
lblanswer.ForeColor = System.Drawing.Color.Red;
chkblue.Checked = false;
chkGreen.Checked = false;
}
protected void chkblue_CheckedChanged(object sender, EventArgs e)
{
lblanswer.Text = “BLUE”;
lblanswer.ForeColor = System.Drawing.Color.Blue;
chkRed.Checked = false;
chkGreen.Checked = false;
}
protected void chkGreen_CheckedChanged(object sender, EventArgs e)
{
lblanswer.Text = “GREEN”;
lblanswer.ForeColor = System.Drawing.Color.Green;
chkRed.Checked = false;
chkblue.Checked = false;
}

The ASP.Net Checkbox Example output is :

The ASP.Net Checkbox Example output is :

The ASP.Net Checkbox Example output is :