Get ID and Text of checked CheckBox using C# and VB.Net in ASP.Net

Hi Donny17,

Check this example. Now please take its reference and correct your code.

HTML

<asp:CheckBox ID="checkColumn1" Text="Test 1" runat="server" AutoPostBack="true"
    OnCheckedChanged="checkColumn1_CheckedChanged" />
<asp:CheckBox ID="checkColumn2" Text="Test 2" runat="server" AutoPostBack="true"
    OnCheckedChanged="checkColumn1_CheckedChanged" />

C#

protected void checkColumn1_CheckedChanged(object sender, EventArgs e)
{
    string id = (sender as CheckBox).ID;
    string text = (sender as CheckBox).Text;
    ClientScript.RegisterClientScriptBlock(this.GetType(), "", "alert('Checked ID is " + id + "\\nChecked Text is " + text + "')", true);
}

VB.Net

Protected Sub checkColumn1_CheckedChanged(ByVal sender As Object, ByVal e As EventArgs)
    Dim id As String = CType(sender,CheckBox).ID
    Dim text As String = CType(sender,CheckBox).Text
    ClientScript.RegisterClientScriptBlock(Me.GetType, "", ("alert('Checked ID is "  _
                        + (id + ("\"& vbLf&"Checked Text is "  _
                        + (text + "')")))), true)
End Sub

Screenshot