0
votes
1answer
159 views

Refreshing a Web Part Without a Post back in SharePoint 2013

I have a list with many columns in SharePoint 2013, I used SharePoint designer 2013 for displaying items , I have tow web parts in a page that I created in SharePoint designer 2013, one web part ...
0
votes
2answers
119 views

Filters get removed from external list when document is deleted from XsltListViewWebPart on same webpage

I have a webpage on Sharepoint 2010 that has: 1) An external list 2) A webpart that has XsltListViewWebPart referring to a document library When a filter is applied to External list, it filters out ...
1
vote
3answers
1k views

user control losing new values when saving

I have a user control in a web part that pulls data from a SP list and displays it in standard ASP.Net controls. When I save the data, the old values seem to get saved even if I had changed them. I ...
0
votes
1answer
3k views

Viewstate to keep data after postback

[Personalizable(PersonalizationScope.Shared)] [WebPartStorage(Storage.Shared)] public List<searchResult> lsQtys { get { List<searchResult> ...
1
vote
1answer
940 views

How to do a (performant) check if postback is caused by my custom webpart?

Here are some background infos for this question: Where to load data in the lifecycle of custom webpart Having a webpart with different controls (buttons, dropdownlist etc.), I want to check, if a ...
1
vote
2answers
3k views

Dynamically add controls to webpart without Postback?

Is it possible to dynamically add controls to a webpart without having a postback for example with AJAX/Java Script/jQuery/Partial Postback within SharePoint? I'm searching for some kind of ...
1
vote
2answers
909 views

How to do a partial postback for a webpart on a SharePoint page

What are best practices for doing a partial postback? Is it okay to use an AJAX Update Panel? I have a number of webparts on a page. I need to do a page refresh, so one webpart on the page gets ...