LoadViewState

[David]

Hello,

I have a page that inherits from compositecontrol and i am trying to load the filter the first time the page loads but i'm getting the following exception:

PS - i am able to load the filter on postback..

Object reference not set to an instance of an object.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.

Source Error:


Line 537:                {
Line 538:                    ((IStateManager)myRadFilter.RootGroup).LoadViewState(DoFilterSerialize(new BL.GPSearchFilterBL(RequestParam.RequestParamIntValue("SID")).SearchFilter));
Line 539:                    myRadFilter.RecreateControl();
Line 540:
Line 541:                    myRadFilter.FireApplyCommand();


Source File: C:\Projectos\DotNetFramework35\FrameworkSolution\AmbiSIG.GeoPortal.Web.Map.TG\UI\WebControls\ResultsControl\ResultsControl.cs    Line: 539

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   Telerik.Web.UI.RadFilterDataFieldEditor.CreateEditorFrom(RadFilterDataFieldEditor baseEditor) +9
   Telerik.Web.UI.RadFilterDataFieldEditorCollection.RetrieveEditorForFieldName(String fieldName) +106
   Telerik.Web.UI.RadFilterSingleExpressionItem.SetupFunctionInterface(Control container) +55
   Telerik.Web.UI.RadFilterExpressionItem.CreateFunctionalInterface() +72
   Telerik.Web.UI.RadFilter.CreateFilterItems() +286
   Telerik.Web.UI.RadFilter.CreateControlHierarchy() +13
   Telerik.Web.UI.RadFilter.CreateChildControls() +87
   System.Web.UI.Control.EnsureChildControls() +87
   Telerik.Web.UI.RadFilter.get_RootGroupItem() +21
   Telerik.Web.UI.RadFilter.RecreateControl() +12
   AmbiSIG.GeoPortal.Web.Map.TG.UI.WebControls.ResultsControl.ResultsControl.DoOnLoad(EventArgs e) in C:\Projectos\DotNetFramework35\FrameworkSolution\AmbiSIG.GeoPortal.Web.Map.TG\UI\WebControls\ResultsControl\ResultsControl.cs:539
   AmbiSIG.GeoPortal.Web.UI.BaseCompositeControl.OnLoad(EventArgs e) in C:\Projectos\DotNetFramework35\FrameworkSolution\AmbiSIG.GeoPortal.Web\UI\BaseCompositeControl.cs:109
   System.Web.UI.Control.LoadRecursive() +50
   System.Web.UI.Control.LoadRecursive() +141
   System.Web.UI.Control.LoadRecursive() +141
   System.Web.UI.Control.LoadRecursive() +141
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +627

[Martin]

Hello David,

Could you please provide some sample code I can use to build a runnable example that reproduces the issue?

Best wishes,
Martin
the Telerik team