Grid row updating


26-Jul-2020 19:52

WPF Datagrid Update, Insert and Delete Operations….

As I was looking for the basic update, insert and delete Operations for the WPD Datagrid I came across many sites that showed how to accomplish the previous mentioned tasks but with the use of a button.

The simplest is to call with no parameters which will refresh all cells using change detection (change detection means it will only refresh cells who's values have changed).

Below shows calling You may be wondering why would you want to force refresh, what is the point in refreshing a cell that has no changes?

Deferred(); db.transaction(function(tx) ); return def.promise(); On Jun 14, 2015, at AM, Artem Tabalin [email protected]: Yep, but return only updated item (not all items).

update Item: function(item) Of course, if your script returns updated item you don't have to use verbose code and just return ajax promise: update Item: function(item) — Reply to this email directly or view it on Git Hub #47 (comment).

Microsoft has made the update operation very simple to accomplish, however, the insert and delete are not that simple.

One example is a cell that might contain action buttons (add, delete, send etc) and you might want to disable the action buttons if the logged in user changes role (if roles are tied to the functions), or if it's past 5pm and you don't want to allow such operations past a certain time.

Actually, grid shows entered data on update only if update Item doesn't return item from the server.



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