Hi Adrien,
Thank you for your interest in Syncfusion products.
The DaatSource, DispalyMember and ValueMember properties are required to create GridListControl cell column in GridGroupingControl as shown below:
********** C# CODE ********
this.gridGroupingControl1.TableDescriptor.Columns["Name"].Appearance.AnyRecordFieldCell.CellType = "GridListControl";
this.gridGroupingControl1.TableDescriptor.Columns["Name"].Appearance.AnyRecordFieldCell.DataSource = GetTable();
this.gridGroupingControl1.TableDescriptor.Columns["Name"].Appearance.AnyRecordFieldCell.DisplayMember = "Name";
this.gridGroupingControl1.TableDescriptor.Columns["Name"].Appearance.AnyRecordFieldCell.ValueMember = "ID";
********** VB CODE *********
Me.gridGroupingControl1.TableDescriptor.Columns("Name").Appearance.AnyRecordFieldCell.CellType = "GridListControl"
Me.gridGroupingControl1.TableDescriptor.Columns("Name").Appearance.AnyRecordFieldCell.DataSource = GetTable()
Me.gridGroupingControl1.TableDescriptor.Columns("Name").Appearance.AnyRecordFieldCell.DisplayMember = "Name"
Me.gridGroupingControl1.TableDescriptor.Columns("Name").Appearance.AnyRecordFieldCell.ValueMember = "ID"
Refer the sample from below link:
http://files.syncfusion.com/support/samples/Grid.Windows/7.3.0.20/GridListControlColumn.zipPlease let me know if you have any queries.
Regards,.
Lingaraj S.