- $col_name: Column name
- Similar to Excel column freeze, phpGrid can now freeze column(s)
- Note that the frozen columns should be from left to right, one after other.
- In inline edit, the frozen columns are not editable.
- Columns are not draggable if any column is frozen
// freeze both customer_id and customer_name columns
$dg -> set_col_frozen("customer_id")->set_col_frozen("customer_name"):