Hi, 

i have the exception:
Invalid postback or callback argument. Event validation is enabled using <pages enableEventValidation="true"/> in configuration or <%@ Page EnableEventValidation="true" %> in a page. For security purposes, this feature verifies that arguments to postback or callback events originate from the server control that originally rendered them. If the data is valid and expected, use the ClientScriptManager.RegisterForEventValidation method in order to register the postback or callback data for validation.

Everything is working correctly when i don't use the event OnTabClick.
But I need it and when i try to attach a function to this event (either from the markup or the code behind) i get the exception above.
the hierarchy of the markup is as follow : 
asp:panel
  RadAjaxPanel
    RadTabStrip
RadMultiPage
 div
  table
    tr
  td
             RadAjaxPanel
               RadTabStrip
          RadMultiPage

The markup is :

when i tried to attach the event from the code behind i did :  (when i did i remove the argument OnTabClick from the markup)

the function that i need to call:

Hope you can help me 

Thank you 

I have a radchart:

I am populating with a DataView:
public DataView GetProposedWaitingChart()
{
List<int> lst = new List<int>();
lst.Add( (int)ApprovalStatus.Proposed );
lst.Add( (int)ApprovalStatus.WaitingforApproval );

string listStatus =  Util.CompressList( lst, "," );

List<ITProject> projects = _dal.GetProjectByApprovalSatus( listStatus );

DataTable dt = new DataTable();
dt.Columns.Add( "Name" );
dt.Columns.Add( "Department" );
DataColumn dc = new DataColumn( "Value", Type.GetType( "System.Int32" ) );
dt.Columns.Add( dc );

var groupedStatus = from f in projects
group f by new {
f.Department,
f.ApprovalStatus
} into myGroup
orderby myGroup.Key.ApprovalStatus, myGroup.Key.Department
select new { myGroup.Key.Department, myGroup.Key.ApprovalStatus, Count = myGroup.Count() };

foreach (var obj in groupedStatus) {
string department = obj.Department;
string status = obj.ApprovalStatus;
int count = obj.Count;
dt.Rows.Add( status, department, count );
}

DataView dv = dt.DefaultView;
dv.Sort = "Name, Department";

return dv;
}
----------------------------------------------------------------------
I have verified that my datatable looks correct after the foreach loop...
? dt.Rows[0].ItemArray
{object[3]}
    [0]: "Proposed"
    [1]: "IT"
    [2]: 2
? dt.Rows[1].ItemArray
{object[3]}
    [0]: "Waiting for Approval"
    [1]: "Advisory Services"
    [2]: 1
----------------------------------------------------------------------
 but I am getting the attached output (projbad.jpg)... 


---------------------------------------------------------------------------------
If I just add dummy rows to my datatable rather than the database data, it works just fine (projgood.jpg)

dt.Rows.Add( "Proposed", "IT", 4 );
dt.Rows.Add( "Waiting", "FA", 4 );
dt.Rows.Add( "Proposed", "TA", 1 );
dt.Rows.Add( "Proposed", "FA", 2 );
dt.Rows.Add( "Waiting", "IT", 3 );
dt.Rows.Add( "Waiting", "TA", 2 );

DataView dv = dt.DefaultView;
dv.Sort = "Name, Department";


Any ideas?  Thanks

Hi Telerik folks,

How to select an item from RadTreeList (nested treelist) based on the search term entered in the separate html text box. Also need to scroll and show selected item.

Thanks in Advance
Baskar

I've been developing a web app that uses RadGrid FormTemplate popups for editing.  I have a grid with header and detail forms.  On each of those is a validation summary, perhaps the first control I put on it. 

I recently noticed that when the summary fired, it displayed with the bullets on the left hanging outside the template itself.  I just don't remember a ValidationSummary ever doing this before, anywhere.  I can't recall doing anything to the grid or the controls that would affect alignment in such a manner.  

The fix was to put it inside a div.   <div  style="width:90%;margin-left:auto;margin-right:auto"></div>

This works fine but I'd like to know where the problem came from in the first place.

Hi all,

I have a problem with IIS7 and the web.config of an "Admin" subdirectory, since it does not appear radupload and I can not write in radeditor. The rest of my app it's works fine...

This is my web.config in the root of my application:

<?xml version="1.0" encoding="UTF-8"?>

<configuration>

  <appSettings>

    <add key="rutaImagenes" value="\Admin\Images\" />

  </appSettings>

  <connectionStrings>

    <add name="MyAppConnectionString" connectionString="My connectionstring thats works fine..." />

  </connectionStrings>

  <system.web>

     

    <compilation debug="true" strict="false" explicit="true">

      <assemblies>

        <add assembly="System.Design, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B03F5F7F11D50A3A" />

        <add assembly="System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089" />

        <add assembly="System.Drawing.Design, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B03F5F7F11D50A3A" />

        <add assembly="System.Web.Extensions.Design, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />

        <add assembly="System.Data.Entity, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" />

        <add assembly="System.Web.Entity, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089" />

        <add assembly="System.Speech, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />

      </assemblies>

    </compilation>

     

    <roleManager enabled="true">

      <providers>

        <clear />

        <add name="AspNetSqlRoleProvider" connectionStringName="MyAppConnectionString" applicationName="/" type="System.Web.Security.SqlRoleProvider, System.Web, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />

      </providers>

    </roleManager>

    <membership>

      <providers>

        <remove name="AspNetSqlMembershipProvider" />

        <add name="AspNetSqlMembershipProvider" type="System.Web.Security.SqlMembershipProvider,       System.Web, Version=2.0.0.0, Culture=neutral,       PublicKeyToken=b03f5f7f11d50a3a" connectionStringName="MyAppConnectionString" applicationName="/" requiresUniqueEmail="false" minRequiredPasswordLength="4" minRequiredNonalphanumericCharacters="0" passwordFormat="Hashed" maxInvalidPasswordAttempts="5" passwordAttemptWindow="10" passwordStrengthRegularExpression="" requiresQuestionAndAnswer="false" />

      </providers>

    </membership>

    <profile enabled="false" />

    <authentication mode="Forms">

      <forms name="MyApp.ASPXAUTH" loginUrl="Admin/Login.aspx" protection="All" path="/" />

    </authentication>

     

    <customErrors mode="Off" defaultRedirect="GenericErrorPage.htm">

      <error statusCode="403" redirect="NoAccess.htm" />

      <error statusCode="404" redirect="FileNotFound.htm" />

    </customErrors>

    <pages controlRenderingCompatibilityVersion="3.5" clientIDMode="AutoID">

      <namespaces>

        <clear />

        <add namespace="System" />

        <add namespace="System.Collections" />

        <add namespace="System.Collections.Generic" />

        <add namespace="System.Collections.Specialized" />

        <add namespace="System.Configuration" />

        <add namespace="System.Text" />

        <add namespace="System.Text.RegularExpressions" />

        <add namespace="System.Linq" />

        <add namespace="System.Xml.Linq" />

        <add namespace="System.Web" />

        <add namespace="System.Web.Caching" />

        <add namespace="System.Web.SessionState" />

        <add namespace="System.Web.Security" />

        <add namespace="System.Web.Profile" />

        <add namespace="System.Web.UI" />

        <add namespace="System.Web.UI.WebControls" />

        <add namespace="System.Web.UI.WebControls.WebParts" />

        <add namespace="System.Web.UI.HtmlControls" />

      </namespaces>

      <controls>

        <add tagPrefix="telerik" namespace="Telerik.Web.UI" assembly="Telerik.Web.UI" />

      </controls>

    </pages>

     

    <httpHandlers>

      <add path="Telerik.Web.UI.WebResource.axd" type="Telerik.Web.UI.WebResource" verb="*" validate="false" />

      <add path="Telerik.RadUploadProgressHandler.ashx" type="Telerik.Web.UI.RadUploadProgressHandler" verb="*" validate="false" />

      <add path="ChartImage.axd" type="Telerik.Web.UI.ChartHttpHandler" verb="*" validate="false" />

      <add path="Telerik.Web.UI.SpellCheckHandler.axd" type="Telerik.Web.UI.SpellCheckHandler" verb="*" validate="false" />

      <add path="Telerik.Web.UI.DialogHandler.aspx" type="Telerik.Web.UI.DialogHandler" verb="*" validate="false" />

    </httpHandlers>

    <httpModules>

      <add name="RadUploadModule" type="Telerik.Web.UI.RadUploadHttpModule" />

    </httpModules>

    <identity impersonate="false" />

  </system.web>

  <location path="Admin">

    <system.web>

      <authorization>

        <allow roles="Administrators" />

        <deny users="*" />

      </authorization>

      <!--<trust level="Full" />-->

    </system.web>

  </location>

  <location path="Admin/services">

    <system.web>

      <authorization>

        <allow users="*" />

      </authorization>

    </system.web>

  </location>

   

  <system.webServer>

    <validation validateIntegratedModeConfiguration="false" />

    <modules runAllManagedModulesForAllRequests="true">

      <remove name="RadUploadModule" />

      <add name="UrlRoutingModule" type="System.Web.Routing.UrlRoutingModule,                    System.Web.Routing, Version=3.5.0.0,                    Culture=neutral,                    PublicKeyToken=31BF3856AD364E35" />

      <add name="RadUploadModule" type="Telerik.Web.UI.RadUploadHttpModule" preCondition="integratedMode,runtimeVersionv2.0" />

    </modules>

  </system.webServer>

  <system.serviceModel>

    <behaviors>

      <serviceBehaviors>

        <behavior name="MyApp.MyAppDataServiceBehavior">

          <serviceMetadata httpGetEnabled="true" />

          <serviceDebug includeExceptionDetailInFaults="false" />

        </behavior>

      </serviceBehaviors>

    </behaviors>

    <services>

      <service behaviorConfiguration="MyApp.MyAppDataServiceBehavior" name="MyApp.MyAppDataService">

        <endpoint address="" binding="basicHttpBinding" contract="MyApp.IMyAppDataService">

        </endpoint>

        <endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange" />

      </service>

    </services>

    <serviceHostingEnvironment aspNetCompatibilityEnabled="true" />

  </system.serviceModel>

</configuration>

And this is the web.config in "Admin" subdirectory:

<?xml version="1.0" encoding="utf-8"?>

<configuration>

  <system.webServer>

    <defaultDocument>

      <files>

        <add value="AdminDef.aspx" />

      </files>

    </defaultDocument>

    <handlers>

      <add name="Telerik.Web.UI.WebResource.axd*" path="Telerik.Web.UI.WebResource.axd" verb="*" type="Telerik.Web.UI.WebResource" />

      <add name="Telerik_Web_UI_SpellCheckHandler_axd" verb="*" preCondition="integratedMode" path="Telerik.Web.UI.SpellCheckHandler.axd" type="Telerik.Web.UI.SpellCheckHandler" />

      <add name="Telerik.RadUploadProgressHandler.ashx_*" path="Telerik.RadUploadProgressHandler.ashx" verb="*" type="Telerik.Web.UI.RadUploadProgressHandler" />

    </handlers>

  </system.webServer>

</configuration>

Anyone can help me?

Thank you!

I realize it's more of a general asp.net challenge, however...

In a GridTemplateColumn I have a placeholder to which I add one or several imagebuttons. So far so good. My trouble is how to add click handlers to each of these dynamically created imagebuttons? Preferably, I'd would like to handle the click event as I do with imagebuttons added declaratively (in the grid ItemCommand handler)

Any Ideas?

Hey,

I'm currently using RadGrid and I am very happy about it.
There's one thing I can't achieve, though.

I have a two-level hierarchy, with - say - Categories and SubCategories.
I have a GridButtonColumn which serves as a Delete button on the Categories level.

This button must be hidden if a Category has at least one SubCategory. On the initial load of the page, I successfully hide the Delete button, hooking in the ItemDataBound event.
Now let's say I remove all the SubCategories of a Category, the Delete button won't appear. I have to refresh (i.e. Rebind) the grid to make it appear again.

Do you know a way of doing it?
Thanks in advance,
Mickaël

I'm testing RADRadialGauge for ASP NET AJAX. It shows up corrcetly on I.E 8 and I.E. 9 but not on I.E. 7. Please check the attached files.
Any sugesstions on how to get it fixed on I.E 7.

Thanks,
Ambreen

This was working and somehow I broke it without knowing it.  I populate a grid from the database.  In the code behind I select some of the  Items in the grid (I have a checkbox in the grid item).  Should be easy.

However when I try to loop through the items in the table the count on the MasterTableView.Items is 0.  But when the page displayed the grid has items.

Here's the code (I removed some non-essential pieces):

And the ASPX:


Thank you in advance on this.

We're going to be using the RadEditor in our project.  We're going to need to parse the HTML content when the page is submitted in order to :

(1)Retrieve any images used in the HTML and store them in our database
(2)Retrieve custom tag-holders and replace with server-side criteria

Does anyone have any recommendations on the best way to do this?

Thanks