Filter Object Datasource Programmatically

[Paul Bishop]

I have a grid bound to an object datasource.  I also have my own filter control that I've created.  How can I filter multiple columns programmatically using my own filter control.  I've tried several examples from the forums and knowledgebase (primariliy setting the CurrentFilterFunction and CurrentFilterValue properties of the individual columns and setting the FilterExpression property of the MasterTableView and rebinding the datasource).  Do I just need to filter my datasource and and rebind it to the grid?

[Paul Bishop]

bump

[Yavor]

Hello Paul,

You have two options here. First, you can filter the dataSource and rebind the grid. Alternatively, you can set the filter expression for the grid, and rebind it, to achieve the same effect. I hope one of these options are suitable for you.

Kind regards,
Yavor
the Telerik team

Check out Telerik Trainer, the state of the art learning tool for Telerik products.

[Paul Bishop]

I think I may have found part of my problem with setting the FilterExpression property on the grid.  I am setting the grid data source in the NeedDataSource method.  After my code fires to set the FilterExpression property of the grid, the NeedDataSource property fires which sets the grid data source back to the unfiltered set of data (which is actually a list of my custom objects).  I have already begun stripping out my code which binds to my custom objects and have started putting together datasets that I can filter and then bind to the grid, but I would much rather use my custom objects if possible.

[Yavor]

Hi Paul,

In this case, you can set the filter expression at a later stage, and rebind the grid. One possible implementation is shown in the following example.
Let me know how it goes.

Regards,
Yavor
the Telerik team

Check out Telerik Trainer, the state of the art learning tool for Telerik products.