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GridGroupingControl problem

I have a GridGroupingControl where the datasource is bound to a table in a dataset. If I change the datasource to another table, the grid still displays the previous table''s columns and they are all empty! How do I change the datasource to another table such that the grid shows the data from the new table correctly? TIA

9 Replies

AD Administrator Syncfusion Team August 30, 2004 02:56 PM

Try this code: gridGroupingControl1.DataSource = null gridGroupingControl1.DataMember = null gridGroupingControl1.ResetTableDescriptor() gridGroupingControl1.DataSource = newDataTable gridGroupingControl1.TableDescriptor.SetItemProperties(gridGroupingControl1.Engine.GetSouceList()) gridGroupingControl1.Table.TableDirty = True gridGroupingControl1.Table.SummariesDirty = True gridGroupingControl1..Refresh()

AD Administrator Syncfusion Team August 31, 2004 04:52 AM

With the latest version ( and later), the only call that should be necessary is ResetTableDescriptor().

SR Shankar Ramasubramanian March 14, 2005 10:23 AM

Clay, I tried the exact same code that you posted. It didn''t work. When I bind the datasource for the very first time,every thing is okay. The next time nested table is empty and the thrid time the top level table is empty. Syncfusion

AD Administrator Syncfusion Team March 14, 2005 11:54 AM

You should probably upgrade. In 3.0, we ship a sample, \Syncfusion\Essential Suite\\Windows\Grid.Windows\Samples\Grouping\GridGroupingRebind, that shows rebinding working. When using nested tables, you also should call this.gridGroupingControl1.TableDescriptor.Relations.Reset();

SR Shankar Ramasubramanian March 14, 2005 02:39 PM

gridGroupingControl1.TableDescriptor.Relations.Reset(); I don''t see that method. I tried to gridGroupingControl1.TableDescriptor.Relations.RemoveAt(0) and this didn''t work either. Is there anyway to make it work in I would like to use upgrade to 3.0 as last option. Thanks shankar

SR Shankar Ramasubramanian March 14, 2005 02:59 PM

I tried gridRequests.TableDescriptor.ResetRelations(). This didn''t work either

AD Administrator Syncfusion Team March 14, 2005 03:08 PM

Try gridGroupingControl1.TableDescriptor.Relations.Clear() . It will be later tomorrow before I have access to 2051.

SR Shankar Ramasubramanian March 14, 2005 03:58 PM

Clay, gridGroupingControl1.TableDescriptor.Relations.Clear() did not work either. I got runtime error argument out of range. childtabledescriptor. m_childTableDescriptor = gridRequests.TableDescriptor.Relations(0).ChildTableDescriptor This line appears after i relations.clear and bind the datasource. Any help would be greatly appreciated

AD Administrator Syncfusion Team March 15, 2005 05:44 AM

The only way I would know to get this reliably donne in is to dispose and recreate the gridgroupingcontrol. http://www.syncfusion.com/Support/user/uploads/ResetData2051_e6ae9f92.zip If you update to the current release, you could avoid this.

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