Rebind RadGrid dropdown based on another dropdown selection, in BatchEdit mode

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Ajax DropDownList Grid
Josif
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Josif asked on 08 Dec 2022, 05:52 PM
How to update/rebind RadDropDownList sql source when a user selected a value in a dropdownlist in another column?
Can you please provide a how-to example in VB.net. This is urgent. Please help.
Thanks.

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Valentin Dragnev
Telerik team
answered on 13 Dec 2022, 04:02 PM

Hello Josif,

When the Grid is set to EditMode="Batch", the interaction with the Grid is done on the Client-Side (JavaScript based). Any PostBack will interrupt the BatchEditing so if the DropDown controls are bound on the server they cannot be rebound while the EditMode is set to Batch. For more details, you can check out the RadGrid Batch Editing Templates and Specifics

It is possible to create Cascading Combos/DropDowns in BatchEditing, only if you are binding the Controls on the client as well as interacting with them on the Client.

Here are two examples demonstrating the Cascading scenarios with Batch Editing:

I hope this will help clarify the question as well as guide you to implement the Cascading scenario for Batch editing.

Best Regards,
Valentin Dragnev
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Ajax DropDownList Grid
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Josif
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Valentin Dragnev
Telerik team
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