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how to set the default value in the dropdownlist control

Posted on 2008-10-09
3
814 Views
Last Modified: 2012-05-05
I am trying to show the list of names in the dynamic drop down listbox, using the following code.

 <asp:DropDownList ID="lstLearnItName" runat="server" DataSourceID="dsLearnItNames"
                                    DataTextField="LearnItName" DataValueField="LearnItID">
                                   
                                     
                        <asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server"
                         ErrorMessage="enter a Product ID" ControlToValidate="lstLearnItName"
                          SetFocusOnError="True" Display="Dynamic"></asp:RequiredFieldValidator>


<asp:SqlDataSource ID="dsLearnItNames" runat="server" ConnectionString="<%$ ConnectionStrings:sConnectionString %>"
                SelectCommand="SELECT * FROM [LearnItName]"></asp:SqlDataSource>


I just wanted to know how I can add a static listitem and set it to the default.

for an instance: <asp:ListItem Selected="true" Text="Please select" Value=""></asp:ListItem>

So that I can force the user to select an item before navigating to the next.

thanks in advance

regards
kay
0
Comment
Question by:learningnet
3 Comments
 
LVL 14

Accepted Solution

by:
Binuth earned 350 total points
ID: 22677532
better to change your sql query than static listitem
like...

SELECT -1 AS LearnItID,"Please select" AS LearnItName UNION SELECT LearnItID,LearnItName FROM [LearnItName]
SELECT -1 AS LearnItID,"Please select" AS LearnItName UNION SELECT LearnItID,LearnItName FROM [LearnItName]

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0
 
LVL 32

Assisted Solution

by:Daniel Wilson
Daniel Wilson earned 150 total points
ID: 22677533
<asp:SqlDataSource ID="dsLearnItNames" runat="server" ConnectionString="<%$ ConnectionStrings:sConnectionString %>"
                SelectCommand="SELECT 0 as LearnItID, 'Please Select' as LearnItName UNION SELECT LearnItID, LearnItName FROM [LearnItName]"></asp:SqlDataSource>
0
 

Author Comment

by:learningnet
ID: 22678005
guys,

its still not forcing me to select some other item from the drop down listbox

<asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server"
                         ErrorMessage="please choose the name" ControlToValidate="lstLearnItName"
                          SetFocusOnError="True" Display="Dynamic" InitialValue="Please Select"></asp:RequiredFieldValidator>

please can you still advise
thanks
0

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