2 Webgrids Master Details | Infragistics Forums

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2 Webgrids Master Details

Infragistics User posted over 15 years ago

I anticipate that I have over looked the obvious, but this one has me stumped. The scenario is this:

A web page with two grids, each being fed by its own SQLdatasource control. One Grid is acting like a master, the other the detail (note: because of the number of columns it is easier/better from an user interface point of view to use the two grids rather than bind a hierarchical data set to one grid).
The goal is that when the user selcts a row in Grid Parent, the key of that selected row is pased to the data source feeding grid detail and will display the associated detail records.
All is working correctly EXCEPT I keep losing the formating in the child grid. The formating is setup in the InitializeLayout event, and when we first come into the page all looks good. However when you change rows (which changes the data fed to this child grid) the formating is lost.
Running Debug it appears that though the layout in the child grid is being reset, I am never going back through the InitializeLayout for the child grid.

Any Help Greatly Appreciated.

Neil

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[Infragistics] Vince McDonald posted over 15 years ago

Two questions:

Are you using a WebAsyncRefreshPanel or an UpdatePanel on your page? If so, these may be causing your styles defined in InitializeLayout to be lost. You may want to style your grids using CSS instead, if this is the case.

How are you passing the information from the parent grid to the child grid? This may simply be an order-of-events issue, depending on what you're doing and when.
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Greg Nash posted over 14 years ago in reply to [Infragistics] Vince McDonald

Was there a final resolution to this? I'm attempting the same thing, with two grids as master-detail, except I want the detail grid to refresh/display only after a button is clicked.

My selected key label is visible not hidden, and currently set by client-side script from master grid.

If the button and the detail grid are in a WebAsyncRefreshPanel, the requery takes place (I can tell from the amount of network traffic in relation to the master that was selected) but the detail grid becomes invisible, perhaps losing its styling as you mentioned. If I don't click the button, but use ajax features on the detail grid (e.g. click on a column heading to sort) this triggers the query and displays the results.

I want to implement this without a full-page refresh. Perhaps there's an easy way client-side to ask the detail grid to request a refresh of its data, without placing it in a WARP? Or a way to re-trigger InitializeLayout styling so the grid doesn't vanish?
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Infragistics User posted over 15 years ago in reply to [Infragistics] Vince McDonald
Nope, I am using neither nor WebAsyncRefreshPanel nor an UpdatePanel. The both grids themselve though do have ajax enabled.

From the row change event handler of the parent grid, the parent primary key is stored in an invisible label on the main page. The SQLDatasource is set to use the value of this invisible label as a parameter to a query of "Get all child records where parentid=(pkey)".
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