Why modal popup extender is not showing

Question

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The code runs without error but modal popup is not visible. How to make it function?

XML

<asp:UpdatePanel ID="gt" runat="server" UpdateMode="Conditional">
    <Triggers>
    <asp:AsyncPostBackTrigger ControlID="BtnEnquirySend" />
    </Triggers>
    <ContentTemplate>
    <asp:Button ID="BtnEnquirySend" runat="server"  Text="Send" style=" left:910px; top:845px; position:absolute;" OnClick="BtnSend_Click"  />
    <asp:Panel ID="Panel11" runat="server" style=" height:300px; width:200px; margin-left:170px; margin-top:400px"></asp:Panel>
    <asp:ModalPopupExtender ID="MPE" runat="server"
    TargetControlID="BtnEnquirySend"
    PopupControlID="Panel11"
    BackgroundCssClass="modalBackground"
    DropShadow="true"
    OkControlID="OkButton"
    OnOkScript="onOk()"
    CancelControlID="CancelButton"
    PopupDragHandleControlID="Panel11" >
    </asp:ModalPopupExtender>
    </ContentTemplate>
    </asp:UpdatePanel>

C#

protected void BtnSend_Click(object sender, EventArgs e)
    {
        MPE.Show();
    }

Posted 26-Feb-14 15:29pm

S.Rajendran from Coimbatore

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Comments

Tom Marvolo Riddle 26-Feb-14 23:27pm

Try:
Updatemode="Always".Try it and let me know

S.Rajendran from Coimbatore 27-Feb-14 10:47am

Always is not working

JoCodes 26-Feb-14 23:37pm

Add event for the Button in PostBackTrigger like EventName="Click" ,Also,Can you add and try Property of modalpopup to BehaviorID="popup" if not working

S.Rajendran from Coimbatore 27-Feb-14 10:53am

EventName="Click" is not working.
behaviourId="popup" is also not working!

Aravindba 27-Feb-14 0:59am

<asp:ModalPopupExtender ID="MPE" runat="server"
TargetControlID="BtnEnquirySend"
PopupControlID="Panel11"
BackgroundCssClass="modalBackground"
DropShadow="true"
OkControlID="OkButton"
OnOkScript="onOk()"
CancelControlID="CancelButton"
PopupDragHandleControlID="Panel11" >

try to move outside of updatepanel above ModalPopupExtender block

S.Rajendran from Coimbatore 27-Feb-14 10:53am

Not working..

Aravindba 27-Feb-14 23:16pm

hi if u remove this it will work
OkControlID="OkButton"
OnOkScript="onOk()"
CancelControlID="CancelButton"

u have onok() function ? Ok and cancel button also in ur form?

Tom Marvolo Riddle 27-Feb-14 23:52pm

solution posted .I checked at my end it's working

1 solution

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Tom Marvolo Riddle · Accepted Answer · 2014-02-27T17:51:00

Try this:

C

   <asp:UpdatePanel ID="gt" runat="server" UpdateMode="Conditional">
    <Triggers>
    <asp:AsyncPostBackTrigger ControlID="BtnEnquirySend" />
    </Triggers>
    <ContentTemplate>
    <asp:Button ID="BtnEnquirySend" runat="server"  Text="Send" style=" left:910px; top:845px; position:absolute;" OnClick="BtnSend_Click"  />
    <asp:Panel ID="Panel11" runat="server" style=" height:300px; width:200px; margin-left:170px; margin-top:400px">
        <asp:Label ID="Label3" runat="server" Text="Check"></asp:Label>
//label included to check
    </asp:Panel>      
    <asp:ModalPopupExtender ID="MPE" runat="server"
    TargetControlID="BtnEnquirySend"
    PopupControlID="Panel11"
    BackgroundCssClass="modalBackground"
    DropShadow="true">
    </asp:ModalPopupExtender>
    </ContentTemplate>
    </asp:UpdatePanel>

The panel has no values.That's why it looks like not showing.