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ColumnGroupDescriptor and column filtering

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GridView
This is a migrated thread and some comments may be shown as answers.
Richard Harrigan
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Richard Harrigan asked on 18 Jan 2014, 08:22 PM

hi


Is it possible to programmatically set a ColumnGroupDescriptor to allow column filtering. As you can see from my code I am setting IsVisible = false so that I don't show redundant info in each row.  I would like the Group column header to show the filter icon and allow for the column to be filtered.



Thanks

Rich





ColumnGroupDescriptor colGrpDesc = new ColumnGroupDescriptor();

colGrpDesc.Column = grid.Columns[groups.UniqueName];

colGrpDesc.Column.IsVisible = false;

colGrpDesc.SortDirection = sortDirection;

grid.GroupDescriptors.Add(colGrpDesc);









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Yoan
Telerik team
answered on 20 Jan 2014, 11:48 AM
Hi Richard,

Generally, you can add ColumGroupDescriptor like so:
this.myGridView1.GroupDescriptors.Add(new ColumnGroupDescriptor()
{
 Column = this.myGridView1.Columns["Name"],
 SortDirection = ListSortDirection.Descending
});

You can check this help article for more information about programmatic grouping.

If you want to hide specific column, you can set its IsVisible property like so:
this.myGridView1.Columns["Name"].IsVisible = false;


Regards,
Yoan
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Richard Harrigan
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answered on 20 Jan 2014, 03:26 PM

Hi Yoan,


I don't think I made my question very clear.  What I want to do is show the filter icon in the group header for each column that is grouped.  This way I can filter the data based on a group column that does not also appear in the detail.



For example:



Group Header    |Country|  |State|  |City|

Detail Header        |Order ID|  | Product |  | Price |   |Quantity|        // Notice I made Country, State and City not visible to reduce redundancy.



The question is how can I get the State group header to show the filter icon (Not sorting) show that I can filter to only show selected states.



Thanks

Rich

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Yoan
Telerik team
answered on 23 Jan 2014, 06:06 PM
Hi Rich,

Thank you for the clarification and excuse me for the misunderstanding. 

I am afraid that there is no recommended way for achieving this functionality. 

Please, do not hesitate to contact us if you have further questions.


Regards,
Yoan
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Richard Harrigan
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answered on 23 Jan 2014, 07:15 PM

Hi Yoan,


Ok, not a deal breaker but for me a nice to have.  Maybe you could submit it to the feature group for consideration?



Thanks

Rich

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Yoan
Telerik team
answered on 28 Jan 2014, 01:42 PM
Hi Richard,

Thank you for your feedback.

Indeed your request is a reasonable one and we will definitely consider it in our future development plans, however I cannot commit an exact time frame for implementing it. 


Regards,
Yoan
Telerik
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