Hi

Why I have thats effect:

http://screencast.com/t/Qn3PnEqSd

Code for create columns:

oo_column = this.object.Columns.AddEx(1,'Kod',"SKklient_kod",60,true)
oo_column.HeaderAlignment = gcodejock.ireportcontrol.ixtpcolumnalignment.xtpalignmentcenter +&
gcodejock.ireportcontrol.ixtpcolumnalignment.xtpalignmenticonvcenter + &
gcodejock.ireportcontrol.ixtpcolumnalignment.xtpalignmentwordbreak
oo_column.Filterable = false
oo_column.ShowInFieldChooser = false
oo_column.Sortable = true
oo_column.Editable = false
oo_column.AllowRemove = false

oo_column = this.object.Columns.AddEx(2,'Nazwa',"SKklient_firma_osoba",100,true)
oo_column.HeaderAlignment = gcodejock.ireportcontrol.ixtpcolumnalignment.xtpalignmentcenter +&
gcodejock.ireportcontrol.ixtpcolumnalignment.xtpalignmenticonvcenter + &
gcodejock.ireportcontrol.ixtpcolumnalignment.xtpalignmentwordbreak
oo_column.Filterable = false
oo_column.ShowInFieldChooser = false
oo_column.Sortable = true
oo_column.Editable = false
oo_column.AllowRemove = false

oo_column = this.object.Columns.AddEx(3,'Zespół Handlowy',"LGcrm_grupa_kod",100,true)
oo_column.HeaderAlignment = gcodejock.ireportcontrol.ixtpcolumnalignment.xtpalignmentcenter +&
gcodejock.ireportcontrol.ixtpcolumnalignment.xtpalignmenticonvcenter + &
gcodejock.ireportcontrol.ixtpcolumnalignment.xtpalignmentwordbreak
oo_column.Filterable = false
oo_column.ShowInFieldChooser = false
oo_column.Sortable = true
oo_column.Editable = True
oo_column.AllowRemove = false
oo_column.EditOptions.ConstraintEdit = True
oo_column.EditOptions.AddComboButton()
oo_column.EditOptions.SelectTextOnEdit = true

oo_column = this.object.Columns.AddEx(4,'Row',"NZc_gr",140,false)
oo_column.HeaderAlignment = gcodejock.ireportcontrol.ixtpcolumnalignment.xtpalignmentcenter +&
gcodejock.ireportcontrol.ixtpcolumnalignment.xtpalignmenticonvcenter + &
gcodejock.ireportcontrol.ixtpcolumnalignment.xtpalignmentwordbreak
oo_column.Filterable = false
oo_column.ShowInFieldChooser = false
oo_column.Sortable = false
oo_column.Editable = false
oo_column.AllowRemove = false
oo_column.ShowInFieldChooser = false
oo_column.Visible = false

this.Object.SortOrder.Add(this.Object.Columns[2])
this.Object.SortOrder.Add(this.Object.Columns[1])
this.object.SortOrder[0].SortAscending = true
this.object.SortOrder[1].SortAscending = true

this.Object.Populate()
this.Object.Redraw()