I'm trying to expand a panel through a Radio Button List

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I have this Radio Button List:

<asp:RadioButtonList ID="flight" runat="server" RepeatDirection="Horizontal" RepeatLayout="Flow" Width="500px" AutoPostBack="true">
                <asp:ListItem Text="Not Required" Value="Not Required"></asp:ListItem>
                <asp:ListItem Text="Required" Value="Required"></asp:ListItem>
            </asp:RadioButtonList>

And I want to be able to open a panel when "Required" is selected... here's the panel:

<asp:Panel ID="PanelFlight" runat="server" Visible="false">
               <div id="Flight">
                   <p class="space">3.3.1. Departure Information</p>
                   <p>Preferred start date and time:</p>
                   <p>
                       <asp:TextBox ID="flightDepartureStartDate" runat="server" Width="100px"></asp:TextBox>
                       <ajaxToolkit:CalendarExtender ID="CalendarExtender2"  runat="server" Format="dd-MM-yyyy" TargetControlID="flightDepartureStartDate">
                       </ajaxToolkit:CalendarExtender>
                       at
                       <asp:DropDownList ID="flightDepartureStartHour" runat="server">
                           <asp:ListItem>--</asp:ListItem>
                           <asp:ListItem>00</asp:ListItem>
                           <asp:ListItem>01</asp:ListItem>
                           <asp:ListItem>02</asp:ListItem>
                           <asp:ListItem>03</asp:ListItem>
                           <asp:ListItem>04</asp:ListItem>
                           <asp:ListItem>05</asp:ListItem>
                           <asp:ListItem>06</asp:ListItem>
                           <asp:ListItem>07</asp:ListItem>
                           <asp:ListItem>08</asp:ListItem>
                           <asp:ListItem>09</asp:ListItem>
                           <asp:ListItem>10</asp:ListItem>
                           <asp:ListItem>11</asp:ListItem>
                           <asp:ListItem>12</asp:ListItem>
                           <asp:ListItem>13</asp:ListItem>
                           <asp:ListItem>14</asp:ListItem>
                           <asp:ListItem>15</asp:ListItem>
                           <asp:ListItem>16</asp:ListItem>
                           <asp:ListItem>17</asp:ListItem>
                           <asp:ListItem>18</asp:ListItem>
                           <asp:ListItem>19</asp:ListItem>
                           <asp:ListItem>20</asp:ListItem>
                           <asp:ListItem>21</asp:ListItem>
                           <asp:ListItem>22</asp:ListItem>
                           <asp:ListItem>23</asp:ListItem>
                       </asp:DropDownList>
                       :
                       <asp:DropDownList ID="flightDepartureStartMinute" runat="server">
                           <asp:ListItem>--</asp:ListItem>
                           <asp:ListItem>00</asp:ListItem>
                           <asp:ListItem>01</asp:ListItem>
                           <asp:ListItem>02</asp:ListItem>
                           <asp:ListItem>03</asp:ListItem>
                           <asp:ListItem>04</asp:ListItem>
                           <asp:ListItem>05</asp:ListItem>
                           <asp:ListItem>06</asp:ListItem>
                           <asp:ListItem>07</asp:ListItem>
                           <asp:ListItem>08</asp:ListItem>
                           <asp:ListItem>09</asp:ListItem>
                           <asp:ListItem>10</asp:ListItem>
                           <asp:ListItem>11</asp:ListItem>
                           <asp:ListItem>12</asp:ListItem>
                           <asp:ListItem>13</asp:ListItem>
                           <asp:ListItem>14</asp:ListItem>
                           <asp:ListItem>15</asp:ListItem>
                           <asp:ListItem>16</asp:ListItem>
                           <asp:ListItem>17</asp:ListItem>
                           <asp:ListItem>18</asp:ListItem>
                           <asp:ListItem>19</asp:ListItem>
                           <asp:ListItem>20</asp:ListItem>
                           <asp:ListItem>21</asp:ListItem>
                           <asp:ListItem>22</asp:ListItem>
                           <asp:ListItem>23</asp:ListItem>
                           <asp:ListItem>24</asp:ListItem>
                           <asp:ListItem>25</asp:ListItem>
                           <asp:ListItem>26</asp:ListItem>
                           <asp:ListItem>27</asp:ListItem>
                           <asp:ListItem>28</asp:ListItem>
                           <asp:ListItem>29</asp:ListItem>
                           <asp:ListItem>30</asp:ListItem>
                           <asp:ListItem>31</asp:ListItem>
                           <asp:ListItem>32</asp:ListItem>
                           <asp:ListItem>33</asp:ListItem>
                           <asp:ListItem>34</asp:ListItem>
                           <asp:ListItem>35</asp:ListItem>
                           <asp:ListItem>36</asp:ListItem>
                           <asp:ListItem>37</asp:ListItem>
                           <asp:ListItem>38</asp:ListItem>
                           <asp:ListItem>39</asp:ListItem>
                           <asp:ListItem>40</asp:ListItem>
                           <asp:ListItem>41</asp:ListItem>
                           <asp:ListItem>42</asp:ListItem>
                           <asp:ListItem>43</asp:ListItem>
                           <asp:ListItem>44</asp:ListItem>
                           <asp:ListItem>45</asp:ListItem>
                           <asp:ListItem>46</asp:ListItem>
                           <asp:ListItem>47</asp:ListItem>
                           <asp:ListItem>48</asp:ListItem>
                           <asp:ListItem>49</asp:ListItem>
                           <asp:ListItem>50</asp:ListItem>
                           <asp:ListItem>51</asp:ListItem>
                           <asp:ListItem>52</asp:ListItem>
                           <asp:ListItem>53</asp:ListItem>
                           <asp:ListItem>54</asp:ListItem>
                           <asp:ListItem>55</asp:ListItem>
                           <asp:ListItem>56</asp:ListItem>
                           <asp:ListItem>57</asp:ListItem>
                           <asp:ListItem>58</asp:ListItem>
                           <asp:ListItem>59</asp:ListItem>
                       </asp:DropDownList>
                   </p>

                   <p>Preferred Flight: </p>
                   <asp:TextBox ID="flightDeparturePreferred" runat="server" Width="500px"></asp:TextBox>

                   <p>Flight URL: </p>
                   <asp:TextBox ID="flightDeparturePreferredURL" runat="server" Width="500px"></asp:TextBox>
                   <div>
                       <p>3.3.2. Return Information</p>
                       <p>Preferred start date and time:</p>

                       <p>
                           <asp:TextBox ID="flightReturnStartDate" runat="server" Width="100px"></asp:TextBox>
                           <ajaxToolkit:CalendarExtender ID="CalendarExtender3"  runat="server" Format="dd-MM-yyyy" TargetControlID="flightReturnStartDate">
                           </ajaxToolkit:CalendarExtender>
                           at
                       <asp:DropDownList ID="flightReturnStartHour" runat="server">
                           <asp:ListItem>--</asp:ListItem>
                           <asp:ListItem>00</asp:ListItem>
                           <asp:ListItem>01</asp:ListItem>
                           <asp:ListItem>02</asp:ListItem>
                           <asp:ListItem>03</asp:ListItem>
                           <asp:ListItem>04</asp:ListItem>
                           <asp:ListItem>05</asp:ListItem>
                           <asp:ListItem>06</asp:ListItem>
                           <asp:ListItem>07</asp:ListItem>
                           <asp:ListItem>08</asp:ListItem>
                           <asp:ListItem>09</asp:ListItem>
                           <asp:ListItem>10</asp:ListItem>
                           <asp:ListItem>11</asp:ListItem>
                           <asp:ListItem>12</asp:ListItem>
                           <asp:ListItem>13</asp:ListItem>
                           <asp:ListItem>14</asp:ListItem>
                           <asp:ListItem>15</asp:ListItem>
                           <asp:ListItem>16</asp:ListItem>
                           <asp:ListItem>17</asp:ListItem>
                           <asp:ListItem>18</asp:ListItem>
                           <asp:ListItem>19</asp:ListItem>
                           <asp:ListItem>20</asp:ListItem>
                           <asp:ListItem>21</asp:ListItem>
                           <asp:ListItem>22</asp:ListItem>
                           <asp:ListItem>23</asp:ListItem>
                       </asp:DropDownList>
                           :
                       <asp:DropDownList ID="flightReturnStartMinute" runat="server">
                           <asp:ListItem>--</asp:ListItem>
                           <asp:ListItem>00</asp:ListItem>
                           <asp:ListItem>01</asp:ListItem>
                           <asp:ListItem>02</asp:ListItem>
                           <asp:ListItem>03</asp:ListItem>
                           <asp:ListItem>04</asp:ListItem>
                           <asp:ListItem>05</asp:ListItem>
                           <asp:ListItem>06</asp:ListItem>
                           <asp:ListItem>07</asp:ListItem>
                           <asp:ListItem>08</asp:ListItem>
                           <asp:ListItem>09</asp:ListItem>
                           <asp:ListItem>10</asp:ListItem>
                           <asp:ListItem>11</asp:ListItem>
                           <asp:ListItem>12</asp:ListItem>
                           <asp:ListItem>13</asp:ListItem>
                           <asp:ListItem>14</asp:ListItem>
                           <asp:ListItem>15</asp:ListItem>
                           <asp:ListItem>16</asp:ListItem>
                           <asp:ListItem>17</asp:ListItem>
                           <asp:ListItem>18</asp:ListItem>
                           <asp:ListItem>19</asp:ListItem>
                           <asp:ListItem>20</asp:ListItem>
                           <asp:ListItem>21</asp:ListItem>
                           <asp:ListItem>22</asp:ListItem>
                           <asp:ListItem>23</asp:ListItem>
                           <asp:ListItem>24</asp:ListItem>
                           <asp:ListItem>25</asp:ListItem>
                           <asp:ListItem>26</asp:ListItem>
                           <asp:ListItem>27</asp:ListItem>
                           <asp:ListItem>28</asp:ListItem>
                           <asp:ListItem>29</asp:ListItem>
                           <asp:ListItem>30</asp:ListItem>
                           <asp:ListItem>31</asp:ListItem>
                           <asp:ListItem>32</asp:ListItem>
                           <asp:ListItem>33</asp:ListItem>
                           <asp:ListItem>34</asp:ListItem>
                           <asp:ListItem>35</asp:ListItem>
                           <asp:ListItem>36</asp:ListItem>
                           <asp:ListItem>37</asp:ListItem>
                           <asp:ListItem>38</asp:ListItem>
                           <asp:ListItem>39</asp:ListItem>
                           <asp:ListItem>40</asp:ListItem>
                           <asp:ListItem>41</asp:ListItem>
                           <asp:ListItem>42</asp:ListItem>
                           <asp:ListItem>43</asp:ListItem>
                           <asp:ListItem>44</asp:ListItem>
                           <asp:ListItem>45</asp:ListItem>
                           <asp:ListItem>46</asp:ListItem>
                           <asp:ListItem>47</asp:ListItem>
                           <asp:ListItem>48</asp:ListItem>
                           <asp:ListItem>49</asp:ListItem>
                           <asp:ListItem>50</asp:ListItem>
                           <asp:ListItem>51</asp:ListItem>
                           <asp:ListItem>52</asp:ListItem>
                           <asp:ListItem>53</asp:ListItem>
                           <asp:ListItem>54</asp:ListItem>
                           <asp:ListItem>55</asp:ListItem>
                           <asp:ListItem>56</asp:ListItem>
                           <asp:ListItem>57</asp:ListItem>
                           <asp:ListItem>58</asp:ListItem>
                           <asp:ListItem>59</asp:ListItem>
                       </asp:DropDownList>
                       </p>

                       <p>Preferred Flight: </p>
                       <asp:TextBox ID="flightReturnPreferred" runat="server" Width="500px"></asp:TextBox>

                       <p>Preferred Flight URL: </p>
                       <asp:TextBox ID="flightReturnPreferredURL" runat="server" Width="500px"></asp:TextBox>
                   </div>
               </div>
           </asp:Panel>
           <ajaxToolkit:CollapsiblePanelExtender ID="CPEFlight"  runat="server" Collapsed="true" TargetControlID="PanelFlight" />

Sorry for the long post guys, please help

Posted 21-Jan-15 3:58am

varmartins

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Comments

ZurdoDev 21-Jan-15 13:19pm

Where are you stuck?

varmartins 22-Jan-15 4:45am

I've been trying functions similar to what paymerich said but nothing is working... I have a panel formed and a radio button list and what I want is for when one of the items in the radio button list is selected for the panel to expand... in this case it's the item "Required"

ZurdoDev 22-Jan-15 7:25am

You keep saying what you want but not telling us what the problem is. I can call my mechanic and tell him that I want to drive my car but if I don't tell him what's exactly wrong, he can't help.

The code in Solution 1 is server-side code which means your radiobuttonlist needs to autopostback. Or you'll have to use JavaScript.

varmartins 22-Jan-15 7:40am

What is wrong is that the panel won't open when i click "Required" and I would like it to open... also I don't like the autopostback so can you please tell me how to do it with JavaScript?

2 solutions

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varmartins · Answer 1 · 2015-01-22T04:55:00

Solution 2

I managed to get it working with ExpandControlID thanks guys

Posted 22-Jan-15 4:55am

varmartins

paymerich · Answer 2 · 2015-01-21T09:18:00

Solution 1

Did you try adding a OnSelectedIndexChanged="YOURSelection_SelectedIndexChange" event handler yet?

Here is our example:

XML

<asp:RadioButtonList runat="server" Style="float: right;" ID="PeriodSelectionList" RepeatDirection="Horizontal" AutoPostBack="true" OnSelectedIndexChanged="PeriodSelectionList_SelectedIndexChange" ForeColor="White">
       <asp:ListItem Text="Current Period" Value="CurrentPeriod"></asp:ListItem>
       <asp:ListItem Text="Next Period" Value="NextUpcomingPeriod"></asp:ListItem>
   </asp:RadioButtonList>

in Code behind:

SQL

protected void PeriodSelectionList_SelectedIndexChange(object sender, EventArgs e)
      {
         // ... do stuff
         //  tell Panel to open /display

  
   
      }

Posted 21-Jan-15 9:18am

paymerich

Comments

varmartins 22-Jan-15 4:42am

I tried this code:

protected void accomodation_SelectedValueRequired(object sender, EventArgs e)
{
if (accomodation.SelectedValue == "Required") {
PanelAccommodation.Visible = true;
}
}

but it's not working, dont know why

paymerich 22-Jan-15 9:23am

maybe it is updating but it wont show till page refreshes? . Try wrapping an AJAX update panel around the panel?

varmartins 22-Jan-15 10:20am

It's strange because if I change Collapsed="true" to false in the CollapsiblePanelExtender the panel is always showing but if I leave it false and put OnSelectedIndexChanged="accomodation_SelectedValueRequired" on the RadioButtonList and then do this code:
protected void accomodation_SelectedValueRequired(object sender, EventArgs e) {
if (accomodation.SelectedValue == "Required") {
CollapsiblePanelExtender1.Collapsed = false;
}
}

it doesn't work...