I Have A Checkbox List. I Want To Refresh List At Each Time When I Select Checkbox And Click On Save Button.

Question

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XML

<asp:CheckBoxList ID="CheckBoxList1" runat="server" DataSourceID="SqlDataSource1"
           DataTextField="mname"    DataValueField="monthid"
           RepeatDirection="Horizontal">
   </asp:CheckBoxList>

XML

<asp:SqlDataSource ID="SqlDataSource1" runat="server"
         ConnectionString="<%$ ConnectionStrings:myconnection %>"
         SelectCommand="select monthid,mname from months where monthid not in(SELECT   mnameid
                      FROM         InstallmentItem INNER JOIN Installment
                        ON InstallmentItem.InstallmentID = Installment.InstallmentID
                     AND InstallmentItem.SessionID = Installment.SessionID
                     Where (InstallmentItem.SessionID =@sss) )">

                <SelectParameters>
                    <asp:ControlParameter ControlID="HiddenField1" Name="sss"
                        PropertyName="Value" />
                </SelectParameters>
            </asp:SqlDataSource>

Posted 1-Apr-14 23:47pm

TCS54321

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sid31988 2-Apr-14 9:08am

Does your page contains AJAX update panel or it works on simple postback. Because the solution would change if there is AJAX update panel in use.

2 solutions

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Schatak · Answer 1 · 2014-04-02T00:15:00

check your AutopostBack property

C#

 AutoPostBack="true"
<asp:checkboxlist id="CheckBoxList1" runat="server" datasourceid="SqlDataSource1" 
           DataTextField="mname" AutoPostBack="true"   DataValueField="monthid"
           RepeatDirection="Horizontal">
   </asp:checkboxlist>

for more check this link
http://asp-net-example.blogspot.in/2009/03/how-to-use-autopostback-feature-in.html[^]

Code Help 2014 · Answer 2 · 2014-04-02T03:20:00

Solution 3

In the client event handler of your button, call the DataBind() method of your checkboxlist control.

For example:

C#

CheckBoxList1.DataBind();

Posted 2-Apr-14 3:20am

Code Help 2014