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Problem with rubberband not found on postbacks/ajax actions
Rank: Member
Groups: Member
Joined: 10/23/2007(UTC) Posts: 12
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Hi I have integrated your code in a large solution. The code compiles fine but ajax actions do nothing and postbacks return ControlNotFound exceptions. Se code below (which should look familar as it is taken more or less directly from your examples): Code:
<td>
<input id="ButtonCrop" onclick="Crop();" type="image" src="Images\ImageEditor\crop.jpg" />
<input id="ButtonRotateRight" onclick="RotateRight();" type="image" src="Images\ImageEditor\right.jpg" />
<input id="ButtonRotateLeft" onclick="RotateLeft();" type="image" src="Images\ImageEditor\left.jpg" />
<input id="ButtonBrightnessUp" onclick="BrightnessUp();" type="image" src="Images\ImageEditor\light.jpg" />
<input id="ButtonBrightnessDown" onclick="BrightnessDown();" type="image" src="Images\ImageEditor\dark.jpg" />
</td>
</tr>
<tr>
<td valign="top">
<aur:BitmapViewer ID="viewer" runat="server" Width="344px" Height="270px" ImageLoadMode="AdaptiveTile" Rubberband="RectangleRubberband1"
ZoomMode="BestFitShrinkOnly" ViewportAlignment="CenterCenter" BorderWidth="2" BorderStyle="Inset" ScrollBarsStyle="Auto" BackColor="White">
</aur:BitmapViewer>
</td>
<td>
</td>
<td valign="top" width="100">
<span id="SpanWarning" style="display: none; font-weight: bold; color: red">Selected
area is too small to get good quality of prints. </span>
<asp:CustomValidator ID="imageValidation" runat="server"></asp:CustomValidator>
</td>
<td>
<asp:Button ID="OK" runat="server" OnCommand="UploadImage" Text="Gem" />
</td>
</tr>
</table>
<aur:RectangleRubberband ID="RectangleRubberband1" runat="server" ResizeMode="Proportional" GripsVisible="True" MaskVisible="True" />
<script type="text/javascript">
Sys.Application.add_load(Application_load);
</script>
exception message is: Can't locate rubberband with ClientID equals 'RectangleRubberband1'. The solution also contains other ajax components, can this be an issue? Regards <stefan> Edited by user Monday, December 17, 2007 9:54:18 AM(UTC)
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Rank: Member
Groups: Member
Joined: 10/23/2007(UTC) Posts: 12
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More details: the problems seem to start in this javascript method Sys$WebForms$PageRequestManager$_onFormSubmit In line 764, this call fails if (!this._postBackSettings.async) {, as postBackSettings is null.....
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Rank: Member
Groups: Member
Joined: 10/23/2007(UTC) Posts: 12
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Even though I pass 'viewer.invokeRemo....' in the javascript code shown below the .cs code is never reached Code:function Crop(){
if (viewer.get_status() != GraphicsMill.UpdateStatus.busy) {
//Process cropping via remote scripting
var r = rectangleRubberband.get_rectangle();
if (r.width < 1 || r.height < 1) {
return;
}
viewer.invokeRemoteMethod("Crop", [r.x, r.y, r.width, r.height]);
updateRectangle=true;
}
else {
alert("Please wait until previous operation will be completed.");
}
}
Edited by user Monday, December 17, 2007 12:10:54 PM(UTC)
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Rank: Advanced Member
Groups: Joined: 6/5/2007(UTC) Posts: 57
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Hello, Stefan. We confirm the problem. To get rid of this error you should move your BitmapViewer and RectangleRubberband to the root form tag of your page. If this solution is not suitable for you please submit case. Edited by user Thursday, May 22, 2008 3:12:41 PM(UTC)
| Reason: Not specified |
Sincerely yours, Sergey Peshekhonov. Aurigma Technical Support Team.
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Rank: Member
Groups: Member
Joined: 10/23/2007(UTC) Posts: 12
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Thank you, I have come to the same conclusion and this works just fine for me. The funny part is that IE7 does not fail on ajax actions but FireFox 2 (and Safari 3) do. Regards
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Rank: Member
Groups: Member
Joined: 10/23/2007(UTC) Posts: 12
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Hi I have the same problem again. We have av new framework that creates most of a page during preinit adding controls programatically. There is nothing in the .aspx file itself. Again I get "Can't locate rubberband with ClientID equals 'rectangleRubberband'." during postbacks or ajax interactions.... Preinit occurs before the exceptions is thrown so the page structure should be present. Looking at the html confirms a control with that name is indeed present on the page..... Please advise ;-> Stack trace is this: [ControlNotFoundException: Can't locate rubberband with ClientID equals 'rectangleRubberband'.] Aurigma.GraphicsMill.AjaxControls.BaseViewer.LoadPostData(String postDataKey, NameValueCollection postCollection) +855 Aurigma.GraphicsMill.AjaxControls.BitmapViewer.LoadPostData(String postDataKey, NameValueCollection postCollection) +67 Aurigma.GraphicsMill.AjaxControls.BaseViewer.System.Web.UI.IPostBackDataHandler.LoadPostData(String postDataKey, NameValueCollection postCollection) +36 System.Web.UI.Page.ProcessPostData(NameValueCollection postData, Boolean fBeforeLoad) +661 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1194 Best regards <stefan> Edited by user Monday, June 23, 2008 11:25:56 PM(UTC)
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Rank: Advanced Member
Groups: Joined: 1/31/2005(UTC) Posts: 458
Was thanked: 5 time(s) in 5 post(s)
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Hello Stefan, Please, could you create support case for this issue and attach small code sample to reproduce the issue? |
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Problem with rubberband not found on postbacks/ajax actions
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