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Checking if a column in a GGC has a Checked ComboBox or a normal ComboBox

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31504 Jul 8,2005 07:59 AM UTC Jul 8,2005 09:04 AM UTC Windows Forms 4
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Tags: GridControl
Thabo
Asked On July 8, 2005 07:59 AM UTC

Hi, I have a GGC Grid which has a column that has a normal ComboBox and another column that has a CheckedList ComboBox. somewhere along my code i need to get only the column that has the checked ComboBox. A couple of days ago you suggested i use the typeof (e.TableControl.CurrentCell.Renderer) to check if a combobox is checked or normal. The code below shows how i try to achieve this. The if() statement inside the foreach() loop is suppose to check whether a column has a ComboBox and whether that ComboBox is a Checked ComboBox. private void GGC_TableControlKeyDown(object sender, GridTableControlKeyEventArgs e) { if(e.Inner.KeyCode == Keys.Delete) { Syncfusion.Grouping.Record rec = e.TableControl.Table.CurrentRecord; if(rec != null) { int i = e.TableControl.Table.FilteredRecords.IndexOf(rec); if(i > 0) { e.TableControl.Table.CurrentRecord = e.TableControl.Table.FilteredRecords[i-1]; e.TableControl.Table.CurrentRecord.SetSelected(true); } int c=0; foreach(GridColumnDescriptor col in e.TableControl.Table.TableDescriptor.Columns) { c++; if(col.Appearance.AnyRecordFieldCell.CellType == "ComboBox") { this.descriptor = (ClientColumnIndirectLookUp) this.dataSheetControl.TableControl.Model [i, c].DataSource; DataRow current_row = (DataRow)rec.GetData(); int id = Convert.ToInt32( current_row[ this.descriptor.Class.Layer.PrimaryField.Name ]); descriptor.DeleteListFromRelation(id); rec.Delete(); e.Inner.Handled = true; break; } } } } Regards David

Administrator [Syncfusion]
Replied On July 8, 2005 08:07 AM UTC

You did not say what happens when you step through the code? I assume that if(col.Appearance.AnyRecordFieldCell.CellType == "ComboBox") is never true. Is that correct? What do you see when you do a quickwatch on col.Appearance.AnyRecordFieldCell.CellType as you go through the loop? Instead of that check, try if(col.Appearance.RecordFieldCell.CellType == "ComboBox" || col.Appearance.AlternateRecordFieldCell.CellType == "ComboBox") to see if that makes a difference.

Administrator [Syncfusion]
Replied On July 8, 2005 08:19 AM UTC

>You did not say what happens when you step through the code? I assume that > >if(col.Appearance.AnyRecordFieldCell.CellType == "ComboBox") > >is never true. Is that correct? What do you see when you do a quickwatch on col.Appearance.AnyRecordFieldCell.CellType as you go through the loop? > >Instead of that check, try > >if(col.Appearance.RecordFieldCell.CellType == "ComboBox" || col.Appearance.AlternateRecordFieldCell.CellType == "ComboBox") > >to see if that makes a difference. Hi, The check does work. However, what i want is that it should not enter inside of the if() statement if a column contains a normal ComboBox. It should only enter inside of the if() statement if a Column has a CheckedListBox i.e. a ComboBox that allows checking and unchecking of values/items.

Administrator [Syncfusion]
Replied On July 8, 2005 08:29 AM UTC

I assume your special checklist cell does not have the celltype = "ComboBox". Is this true? If you want to pickout your checklist cell, then what is its CellType? We do not ship a checklist cell in our library (that I can think of now). So, I think you must have added it, and you would have specfied the value of CellType through the string you passed in CellModels.Add. It is this string you would search for. In your watch window, what is the value you see for col.Appearance.RecordFieldCell.CellType when you hit your checklist column?

Administrator [Syncfusion]
Replied On July 8, 2005 09:04 AM UTC

>I assume your special checklist cell does not have the celltype = "ComboBox". Is this true? > >If you want to pickout your checklist cell, then what is its CellType? We do not ship a checklist cell in our library (that I can think of now). So, I think you must have added it, and you would have specfied the value of CellType through the string you passed in CellModels.Add. It is this string you would search for. > >In your watch window, what is the value you see for col.Appearance.RecordFieldCell.CellType when you hit your checklist column? Thanks a lot, it seems to be working fine now. The problem was actually with the type of cell type i added in the CellModels.Add statement.

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