/// <summary>

/// This web part uses an SPGridView inside of an updatepanel to display a dataset. The update panel automatically handles

/// all the ajaxy stuff for post backs with paging and sorting.

/// </summary>

[XmlRoot(Namespace = "SpaarneZiekenhuis.OCS.WebParts")]

[Guid("41B3B790-7578-4cec-9F31-F342FD2B1192")]

public class OcsQueue : System.Web.UI.WebControls.WebParts.WebPart

{

Timer timer = new Timer();

Label label1 = new Label();

private Label displayQueue;

private TextBox inputName;

[DefaultValue(""), WebBrowsable(true), Category("ProgressTemplate"), Personalizable(PersonalizationScope.Shared)]

public string ImagePath { get; set; }

[DefaultValue(""), WebBrowsable(true), Category("ProgressTemplate"), Personalizable(PersonalizationScope.Shared)]

public string DisplayText { get; set; }

protected override void CreateChildControls()

{

try

{

base.CreateChildControls();

//Fix for the UpdatePanel postback behaviour.

EnsurePanelFix();

timer = new Timer();

UpdatePanel refreshName = new UpdatePanel();

displayQueue = new Label();

//Set up control properties.

this.displayQueue.ID = "displayQueue";

this.displayQueue.Text = "Waiting in Queue";

refreshName.ID = "refreshName";

refreshName.UpdateMode = UpdatePanelUpdateMode.Conditional;

refreshName.ChildrenAsTriggers = true;

this.timer.ID = "TimerOcs";

this.timer.Interval = 10000;

this.timer.Tick += new EventHandler<EventArgs>(ClickHandler);

//Add the EventHandler to the Button.

//Add the user interface (UI) controls to the UpdatePanel.

refreshName.ContentTemplateContainer.Controls.Add(this.timer);

refreshName.ContentTemplateContainer.Controls.Add(this.displayQueue);

//The ScriptManager control must be added first.

if (ScriptManager.GetCurrent(this.Page) == null)

{

ScriptManager scriptHandler = new ScriptManager();

scriptHandler.ID = "scriptHandler";

scriptHandler.EnablePartialRendering = true;

this.Controls.Add(scriptHandler);

}

this.Controls.Add(refreshName);

}

catch (Exception ex)

{

Console.WriteLine(ex.ToString());

}

}

private void EnsurePanelFix()

{

if (this.Page.Form != null)

{

String fixupScript = @"

_spBodyOnLoadFunctionNames.push(""_initFormActionAjax"");

function _initFormActionAjax()

{

if (_spEscapedFormAction == document.forms[0].action)

{

document.forms[0]._initialAction =

document.forms[0].action;

}

}

var RestoreToOriginalFormActionCore =

RestoreToOriginalFormAction;

RestoreToOriginalFormAction = function()

{

if (_spOriginalFormAction != null)

{

RestoreToOriginalFormActionCore();

document.forms[0]._initialAction =

document.forms[0].action;

}

}";

ScriptManager.RegisterStartupScript(this,

typeof(OcsQueue), "UpdatePanelFixup",

fixupScript, true);

}

}

private void ClickHandler(object sender, EventArgs args)

{

this.displayQueue.Text = string.Format("Waiting in Queue {0}", GetWaitingQueue());

}