Sharepoint 2013: Display User Login Name As Notification Dialog Box

In this article we will learn about displaying user login name as notification dialog box.


When we upload the existing document in the Document Library by unchecking the override existing file,we get a SharePoint OOTB exception saying "A file with the same name already exists and it was last modified by i:o#.w|domain\username."

In this case we have to trim the i:o#.w| which is SID or represents type of authentication used.

Refer to the below screenshot for a clear understanding of the requirement.

Figure 1: Requirement

Figure 2: After


Step 1: Open the site collection in browser. Go to SiteSettings, MasterPage and then check the selected Site Master Page and System Master Page.

Figure 3: Site collection

Step 2: Open the site in SharePoint Designer. Go to All Files, _catalog, then masterpage.

Figure 4: Designer

Step 3: Open any one of the selected master page in step 1 in advance mode.

Step 4: Add the following script before </head> tag. Check screenshot for reference.

  1. <SharePoint:ScriptLink ID="ScriptLink_CustomUploadpage" name="~sitecollection/Style Library/Scripts/CustomUploadScript.js" runat="server" LoadAfterUI="true" Localizable="false"/>

Figure 5: Screenshot for reference

Step 5: Repeat step 4 for the other master page selected in step 1.

Step 6: Come to browser and open style library by going to site content, then style Library.

Step 7: Upload the CustomUploadScript.js file to script folder in style library.

Figure 6: Script

Step 8: Test and Verify.