Get selected index for checkboxlist

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I have a checkboxlist control values and text facebook,twitter,Linkdln and Skype.
I have four textboxes, txtfacebook ... txtSkype
the four textboxes are not visible I want it to be visible only when the user check
the listbox. example if the user checks facebook then I want txtFacebook visible.

What I have tried:

// foreach (ListItem item in CBContacts.Items)
// {
// if (item.Selected)
if (CBContacts.SelectedIndex == 0)
{
txtFacebook.Visible = true;
}
else
{
txtFacebook.Visible = false;
}
if (CBContacts.SelectedIndex == 1)
{
txtTwitter.Visible = true;
}
else
{
txtTwitter.Visible = false;
} if (CBContacts.SelectedIndex == 2)
{
txtLinkedIn.Visible = true;
}
else
{
txtLinkedIn.Visible = false;
} if (CBContacts.SelectedIndex == 3)
{
txtSkype.Visible = true;
}
else
{
txtSkype.Visible = false;
}
// }

Posted 17-Jul-16 17:46pm

Member 9331278

Updated 17-Jul-16 18:09pm

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Karthik_Mahalingam · Accepted Answer · 2016-07-17T18:09:00

try this

C#

protected void CBContacts_SelectedIndexChanged(object sender, EventArgs e)
       {
           txtFacebook.Visible = false;
           txtLinkedIn.Visible = false;
           txtSkype.Visible = false;
           txtTwitter.Visible = false;


           foreach (ListItem item in CBContacts.Items)
           {
               if (item.Selected)
               {
                   switch (item.Text)
                   {
                       case "facebook":
                           txtFacebook.Visible = true;
                           break;
                       case "twitter":
                           txtTwitter.Visible = true;
                           break;
                       case "Linkdln":
                           txtLinkedIn.Visible = true;
                           break;
                       case "Skype":
                           txtSkype.Visible = true;
                           break;
                   }
               }
           }
       }

ASP.NET

<asp:CheckBoxList AutoPostBack="true" ID="CBContacts" runat="server" OnSelectedIndexChanged="CBContacts_SelectedIndexChanged">
           <asp:ListItem Text="facebook" />
           <asp:ListItem Text="twitter" />
           <asp:ListItem Text="Linkdln" />
           <asp:ListItem Text="Skype" />
       </asp:CheckBoxList>