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01-Mar-2020 19:21

The grid will then be aware of the change and also update the relevant parts of the UI.If you are using an immutable data store, as is usual in a React application, then you will be interested in the section below Bulk Method 3 - Delta Row Data.In any case, please see the code I have listed below for my update Data Grid event. Can you post the Action Query and Retrieve Courses functions?With this code, the DB is updated using the old data in the datagrid prior to the users changes, why is this and how can I take the new data out of the grid after the user makes changes? private void courses Data Grid_Update Command(object source, System. We'll get down to the bottom of it somewhere in here.It does seem more intuitive to take this approach however Data Grid Columns are not actually part of the visual tree and only the Binding DPs will actually be set on generated cell elements to inherit Data Grid’s Data Context.This works because internally when the cell is being generated, the Content of the cell will have its layout updated which will make it part of the visual tree and it will have access to the correct Data Context.In any case, please see the code I have listed below for my update Data Grid event.

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, the grid discards all previous selections and filters, and completely overwrites the old data with the new.Hi, I am trying to use a data grid in a web application in which I have three tiers.The Data Grid is not set up to a data source, or a data adapter, so everytime I make a change I send the cell information to another object which forms an SQL query and makes the query to the DB (actually to a DBFacade object). Data Grid Command Event Args e) Jon Agiato Jon, Without seeing how Update Course works, it is difficult to tell.If that is within a datatable, be sure that you are accepting changes before going forward to your data layer.

The Data Grid is not set up to a data source, or a data adapter, so everytime I make a change I send the cell information to another object which forms an SQL query and makes the query to the DB (actually to a DBFacade object). Data Grid Command Event Args e) Jon Agiato From what you have posted, it looks good.Note that this is only applicable if you are using the Client-side Row Model.