Monday, August 10, 2015

Redirect page to some other page when dialog closed on EP

Recently, we had a requirement to open a dialog page from list page and when user closes the dialog, we had to redirect our page to some other page. I know it can be done very easily by handling the close dialog event handler. However, we are talking about list page here. Where we don't have option to write c# code. This is where the web development skills comes into play and can help you achieve some fast results where you don't have much time to modify sharepoint web parts etc.

I was able to accomplish this using Javascript. I registered the closeWindow handler when the dialog was loaded, built the URL for the EP menu item using c# code and registered the script. Whenever the dialog would close, a javascript function would execute to redirect the page. Remember, in my case, the requirement was to redirect the page but if you have some other requirement when closing the dialog, you can achieve that as well. Sample code:

protected void Page_Load(object sender, EventArgs e)
        String linkOneURL;
        String clientScriptName = "CloseWindow";
        Type clientScriptType = this.GetType();
        ClientScriptManager cs = Page.ClientScript;
        System.Text.StringBuilder javaScript = new System.Text.StringBuilder();
        AxUrlMenuItem shoppingCartPageMenuItem = new AxUrlMenuItem("EPCSSSalesBasket");
        String shoppingCartUrl = shoppingCartPageMenuItem.Url.OriginalString;
        String buildUrl = String.Empty;

        if (!IsPostBack)
            linkOneURL = this.dsCustTable.GetDataSet().DataSetRun.AxaptaObjectAdapter.Call("BuildLinkOneURL").ToString();
            this.LinkOneFrame.Attributes.Add("src", linkOneURL); // I am loading some third party page here under IFrame.

            if (!cs.IsStartupScriptRegistered(clientScriptType, clientScriptName))
                buildUrl = "window.frameElement.navigateParent('" + shoppingCartUrl + "');"; // This is the URL i want to redirect.

                javaScript.Append("<script type='text/javascript'>");
                javaScript.Append("function UnLoadWindow() {");
                javaScript.Append("window.onbeforeunload = UnLoadWindow;");

                cs.RegisterStartupScript(clientScriptType, clientScriptName, javaScript.ToString()); // Registering the Javascript function - this would be executed when the dialog is closed.