Rowupdating aspxgridview

16-Apr-2018 16:14

There's also extra information that can be shown: the column and group totals and so on.

Unbeknownst to the user but still crucial are the paging capabilities of the grid: the user doesn't have to wait extended lengths of time for data to be shown in the grid as they manipulate the grid.

Recently there have been a number of technical questions raised about how the ASPx Grid View works, with large datasets in general, and with LINQ in particular.

Let's go back to basics first, and especially the user experience that our grids afford.

I'm not talking here about how to develop with them, what you have to link up and where, just the end-user features and benefits.

For a start there's sorting (click on the column header), grouping (drag the column header to the grid's grouping panel and drop), filtering (type in a simple criteria as text).

Put these editors into the Edit Item Template of a column which displays values from the Date Time Offset field.Expand a city, and the paging subsystem returns the records needed to expand that group and fill the grid.So, back at the beginning of last year (2007), when we were designing this new grid, we determined pretty quickly that we'd need an intelligent paging subsystem that could help with all the user experience scenarios we envisaged.When a row is updated, it is necessary to combine modified values into the Date Time Offset structure manually. New Values collection in the Row Updating event handler.In this example, the Update Grid Data Set method is used to save the Date Time Offset value to a data object.

Put these editors into the Edit Item Template of a column which displays values from the Date Time Offset field.

Expand a city, and the paging subsystem returns the records needed to expand that group and fill the grid.

So, back at the beginning of last year (2007), when we were designing this new grid, we determined pretty quickly that we'd need an intelligent paging subsystem that could help with all the user experience scenarios we envisaged.

When a row is updated, it is necessary to combine modified values into the Date Time Offset structure manually. New Values collection in the Row Updating event handler.

In this example, the Update Grid Data Set method is used to save the Date Time Offset value to a data object.

It doesn't work at all well for grouping and filtering, and certainly doesn't work for creating summary or total values. Should we add an option to switch the grid between this hobbled version and the fully functional version (I'm thinking about it from the end-users viewpoint here)?