Change Textbox Value on Selected Index Changed DDL not working

HI EE

I need to make a texbox visible only when a selection is not null, (first selection), and then enable a texbox that gets populated with the current date, (user can change the date) I am using an update panel and setting up the autopostback property to true on the dropdown list, the problem is that the texbox is taking the selection on date when I insert to table....

can you please suggest what to do?

Thanks

<td style="width: 286px">
                <label for="recordtype">
                                 *Prepper:</label><asp:DropDownList 
                    ID="txtPreppin" runat="server" CssClass="padding-input" 
                    AutoPostBack="True" onselectedindexchanged="txtPreppin_SelectedIndexChanged">
                    <asp:ListItem Text="-Select-" Value=''>-Select-</asp:ListItem>
                    <asp:ListItem>Acevedo, Noe</asp:ListItem>
                </asp:DropDownList>
                <br />
                <label for="recordtype">
                                 *Date:</label>
<asp:TextBox ID="txtprepDate" runat="server" 
                    Enabled="False" ReadOnly="True"></asp:TextBox>
                <asp:CalendarExtender ID="txtprepDate_CalendarExtender" runat="server" 
                    Enabled="True" TargetControlID="txtprepDate" Format="MM/dd/yyyy">
                </asp:CalendarExtender>
               
                
               
        </td>

   protected void txtPreppin_SelectedIndexChanged(object sender, EventArgs e)
     {

         if (Page.IsPostBack)
         {

             txtprepDate.Text = DateTime.Today.ToString("MM/dd/yyy");
             txtScanDate.Text = DateTime.Today.ToString("MM/dd/yyy");


             if (txtPreppin.SelectedItem.Text != null)
             {
                 txtprepDate.Enabled = true;
                 txtprepDate.ReadOnly = false;
                                  
             }

             else
             {
                 txtprepDate.Enabled = false;
                 txtprepDate.ReadOnly = true;
             }
         }

Open in new window

LVL 9
TonyRebaAsked:
Who is Participating?
I wear a lot of hats...

"The solutions and answers provided on Experts Exchange have been extremely helpful to me over the last few years. I wear a lot of hats - Developer, Database Administrator, Help Desk, etc., so I know a lot of things but not a lot about one thing. Experts Exchange gives me answers from people who do know a lot about one thing, in a easy to use platform." -Todd S.

Lalit ChandraCommented:
This task can be done at the client side (on browser itself),so no need to do a round-trip to the server for this small task.
Simple, put the jquery link on your page and use the following code to achieve the same

$(function() {
      $("#txtbox").css("display","none");  // Hide the textbox on first page Load.

    $("#ddsListName").change(function() {
         if($(this).value != "0") // For the first element
         {
                 $("#txtbox").css("display","block");
         }
         else
         {
               $("#txtbox").css("display","none");
         }
     }
       
    );
});

Now in code behind,simple in the Page_Load event assign the textbox with current date.

That's done.
0

Experts Exchange Solution brought to you by

Your issues matter to us.

Facing a tech roadblock? Get the help and guidance you need from experienced professionals who care. Ask your question anytime, anywhere, with no hassle.

Start your 7-day free trial
TonyRebaAuthor Commented:
Could I change the property to enabled and read only false instead of hidding it?
0
It's more than this solution.Get answers and train to solve all your tech problems - anytime, anywhere.Try it for free Edge Out The Competitionfor your dream job with proven skills and certifications.Get started today Stand Outas the employee with proven skills.Start learning today for free Move Your Career Forwardwith certification training in the latest technologies.Start your trial today
ASP.NET

From novice to tech pro — start learning today.

Question has a verified solution.

Are you are experiencing a similar issue? Get a personalized answer when you ask a related question.

Have a better answer? Share it in a comment.