Methods

The RadAjaxControl class exposes a set of server-side methods.

Static Methods

RadAjaxManager provides a static method you can use to get a reference to the RadAjaxManager instance on the current page from the code-behind:

C#

RadAjaxManager ram = RadAjaxManager.GetCurrent(Page);

VB

Dim ram as RadAjaxManager = RadAjaxManager.GetCurrent(Page)

Instance Methods

The AjaxManager and AjaxPanel both descend from the RadAjaxControl, which introduces the following methods:

• Alert—Executes a JavaScript alert() on the client. Alert() takes a single string parameter for text that will be displayed in the alert.

  C#

    RadAjaxManager1.Alert("Please save your changes.");

  VB

    RadAjaxManager1.Alert("Please save your changes.")	

• FocusControl—Places the focus on a specified control. FocusControl() takes a single parameter that can be the ID of the control to focus on or an object reference to the control to focus on.

  C#

    RadAjaxManager1.FocusControl(Button1);	

  VB

    RadAjaxManager1.FocusControl(Button1)	

• GetAjaxEventReference—Produces client-side code that invokes the ajaxRequest() method.

  C#

    RadAjaxManager1.GetAjaxEventReference(Button1.ClientID);
    //... returns "$find("RadAjaxManager1").ajaxRequest("Button1");"

  VB

    RadAjaxManager1.GetAjaxEventReference(Button1.ClientID)
    '... returns "$find("RadAjaxManager1").ajaxRequest("Button1");"

• RaisePostBackEvent—Triggers a server-side AjaxRequest event and allows you to pass a single string parameter to the event. AjaxRequest can also be triggered by the client-side ajaxRequest() function.

  C#

    protected void Button1_Click(object sender, EventArgs e)
    {
        RadAjaxManager1.RaisePostBackEvent(DateTime.Now.ToString());
    }
    protected void RadAjaxManager1_AjaxRequest(object sender, Telerik.Web.UI.AjaxRequestEventArgs e)
    {    
    	Label1.Text = e.Argument;
    }				

  VB

    Protected Sub Button1_Click(ByVal sender As Object, ByVal e As EventArgs) Handles Button1.Click
        RadAjaxManager1.RaisePostBackEvent(DateTime.Now.ToString())
    End Sub
    Protected Sub RadAjaxManager1_AjaxRequest(ByVal sender As Object, ByVal e As Telerik.Web.UI.AjaxRequestEventArgs) Handles RadAjaxManager1.AjaxRequest
        Label1.Text = e.Argument
    End Sub

• Redirect—Navigates the browser to another web page. The method passes a single string parameter, which is the URL to navigate to.

  C#

    RadAjaxManager1.Redirect("https://www.telerik.com");

  VB.NET

    RadAjaxManager1.Redirect("https://www.telerik.com")	

See Also

• AjaxManager Server-Side Properties
• AjaxUpdatedControl Properties