RadAjax for ASP.NET AJAX

Problem: Inline JavaScript in Dynamically Loaded User Controls is missing on the Page

Solution: Wrap the script block into RadScriptBlock. If the issue persists in your case, you ought to register the script through the ScriptManager.RegisterStartupScript() method

CopyASCX

<telerik:RadScriptBlock Id="RadScriptBlock1" runat="server">
<script type="text/javascript">
//your code here
</script>
</telerik:RadScriptBlock>

• C#
• VB.NET

CopyC#

protected void Page_Load(object sender, EventArgs e)
{
    ScriptManager.RegisterStartupScript(Page, typeof(Page), "dynamicScript", "function doSomething(){alert(1);}");
}

CopyVB.NET

Protected Sub Page_Load(sender as Object, e as EventArgs) Handles Me.Load
    ScriptManager.RegisterStartupScript(Page, Page.GetType(), "dynamicScript", "function doSomething(){alert(1);}")
End Sub

Problem: Control Skin is not loaded after ajax.

Solution: This issue usually occurs when you are showing a sertain control after ajax or you are changing the Skin upon ajax. In this case, you should set the control EnableAjaxSkinRendering property true on Page_Load:

• C#
• VB.NET

CopyC#

protected void Page_Load(object sender, EventArgs e)
{
    RadCalendar1.EnableAjaxSkinRendring = true;
}

CopyVB.NET

Protected Sub Page_Load(sender as Object, e as EventArgs) Handles Me.Load
    RadCalendar1.EnableAjaxSkinRendring = true
End Sub

Problem: Setting EventName in the ajax settings for the ajax initiator control does not work.

Solution: The EventName property is obsolete for RadAjax. If your logic strongly replies on it, you would use ASP:UpdatePanel to ajaxify the controls instead of RadAjax. Anoter option is to wrap the updated control in a RadAjaxPanel instead of using the RadAjaxManager to ajaxify it. Then on certain client-side event of the ajax initiator, invoke ajax for the corresponding RadAjaxPanel manually. See the sample in this topic for more information.

Problem: Loading panel is not displayed if you invoke multiple requests from the same ajax initiator before the previous request finished.

Solution: Handler the RadAjaxmanager/RadAjaxPanel OnRequestStart client-side event as below:

CopyJavaScript

<telerik:RadCodeBlock ID="RadCodeBlock1" runat="server"> 
<script type="text/javascript"> 
    function RequstStart() { 
        var obj = Sys.WebForms.PageRequestManager.getInstance(); 
        if (obj.get_isInAsyncPostBack()) 
            obj.abortPostBack();
    } 
</script> 
</telerik:RadCodeBlock>