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Data column management system and method

  • US 20050160106A1
  • Filed: 12/29/2004
  • Published: 07/21/2005
  • Est. Priority Date: 12/31/2003
  • Status: Abandoned Application
First Claim
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1. A data column management system for receiving an adding/deleting data column request to add/delete data columns on an electronic document which has at least one data column, comprising:

  • a column data accessing module for accessing a last data column of the data columns of the electronic document to get a last serial number and accessing a format of the last data column to get a format data;

    an adding module for adding an adding data column to the electronic document according to the adding data column request, the format data and the last serial number, the adding data column having a format conforming to the format data and a serial number being the last serial number plus one; and

    a deleting module for deleting a data column according to the deleting data column request and subtracting the serial number of a data column after the deleted data column by one.

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