Hi @mohamed_ibrahim,
Please apply the client script.
// Syntax
frappe.ui.form.on('Your DocType', {
refresh: function(frm) {
// set your table field name
frm.set_df_property('your_table_field_name', 'cannot_add_rows', true);
}
});
// Example
frappe.ui.form.on('Sales Order', {
refresh: function(frm) {
frm.set_df_property('items', 'cannot_add_rows', true);
}
});
Thank You!