How to: Create Columns in Code
The example below demonstrates how to create and add a filter column in code:
private void CreateSpinEditColumn(ASPxFilterControl filterControl, string propertyName,
string displayName) {
FilterControlSpinEditColumn filterColumn = new FilterControlSpinEditColumn();
filterColumn.PropertyName = propertyName;
filterColumn.DisplayName = displayName;
filterControl.Columns.Add(filterColumn);
}