I take it you have gotten a COPY of the module from the PLUGINS area, FTP'd it to your home computer, UNZIPPED it and looked at the contents?
You will see:
(FOLDER) includes
(FILE) clg_install.sql
(FILE) clg_uninstall.sql
(FILE) gnu_gpl_license.txt
(FILE) readme_clg2_3_1.txt
I trust you have read the README FILE ? readme_clg2_3_1.txt
And I trust you have sent (FTP) the CONTENTS of the "includes" folder to their correct locations on your zencart installation?
And if the above has been done correctly, then you need to ALTER THE DATABASE slightly. (The "SQL PATCH")
And that BEFORE YOU RUN THE PATCH, you have BACKED UP YOUR DATABASE ?
If this has all been done, then open the file: clg_install.sql in a plain text editor, HIGHLIGHT and copy all the code, and go paste that into the "install SQL patches field.
For easy reference, the CONTENTS of clg_install.sql are shown below...
#Column Layout Grid for Product Listing (Add On Module for Zen Cart v1.5.x) 2012-11-17
#Run the following SQL commands into your database.
#The easiest way is to open Admin->Tools->Install SQL Patches and paste them in the box and click Send.
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## If you are installing this plugin for the first time, or upgrading from an earlier version of this module, run this set of SQL statements:
delete from configuration where configuration_key in ('PRODUCT_LISTING_LAYOUT_STYLE');
delete from configuration where configuration_key in ('PRODUCT_LISTING_COLUMNS_PER_ROW');
delete from configuration where configuration_key in ('PRODUCT_LISTING_LAYOUT_STYLE_CUSTOMER');
delete from configuration where configuration_key in ('PRODUCT_LISTING_GRID_SORT');
INSERT INTO configuration (configuration_title, configuration_key, configuration_value,
configuration_description, configuration_group_id, sort_order,
last_modified, date_added, use_function, set_function)
VALUES ('Product Listing - Layout Style', 'PRODUCT_LISTING_LAYOUT_STYLE', 'rows',
'Select the layout style:<br />Each product can be listed in its own row (rows option)
or products can be listed in multiple columns per row (columns option)<br />
If customer control is enabled this sets the default style.', '8', '41', NULL,
now(), NULL, 'zen_cfg_select_option(array(\'rows\', \'columns\'),');
INSERT INTO configuration (configuration_title, configuration_key, configuration_value,
configuration_description, configuration_group_id, sort_order,
last_modified, date_added, use_function, set_function)
VALUES ('Product Listing - Columns Per Row', 'PRODUCT_LISTING_COLUMNS_PER_ROW', '3',
'Select the number of columns of products to show in each row in the product listing.
The default setting is 3.', '8', '42', NULL, now(), NULL, NULL);
INSERT INTO configuration (configuration_title, configuration_key, configuration_value,
configuration_description, configuration_group_id, sort_order,
last_modified, date_added, use_function, set_function)
VALUES ('Product Listing - Layout Style - Customer Control', 'PRODUCT_LISTING_LAYOUT_STYLE_CUSTOMER', '0',
'Allow the customer to select the layout style (0=no, 1=yes):', '8', '43', NULL,
now(), NULL, 'zen_cfg_select_option(array(\'0\', \'1\'),');
INSERT INTO configuration (configuration_title, configuration_key, configuration_value,
configuration_description, configuration_group_id, sort_order,
last_modified, date_added, use_function, set_function)
VALUES ('Product Listing - Show Sorter for Columns Layout', 'PRODUCT_LISTING_GRID_SORT', '0',
'Allow the customer to select the item sort order (0=no, 1=yes):', '8', '44', NULL,
now(), NULL, 'zen_cfg_select_option(array(\'0\', \'1\'),');
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