Create a simple table with grid span in a DOCX

//
// This code is part of Document Solutions for Word demos.
// Copyright (c) MESCIUS inc. All rights reserved.
//
using System;
using System.IO;
using System.Drawing;
using GrapeCity.Documents.Word;
 
namespace DsWordWeb.Demos
{
    // This sample creates a simple table and uses GridSpan
    // to visually extend a cell to 2 adjacent cells.
    public class GridSpan
    {
        public GcWordDocument CreateDocx()
        {
            GcWordDocument doc = new GcWordDocument();
 
            doc.Body.Sections.First.GetRange().Paragraphs.Add("Here is a 5 columns by 3 rows table, with three middle cells in row 2 merged:");
            var t = doc.Body.Sections.First.GetRange().Tables.Add(new string[][]
                {
                    new string[] { "row 1, col 1", "row 1, col 2", "row 1, col 3", "row 1, col 4", "row 1, col 5",  },
                    new string[] { "row 2, col 1", "row 2, col 2", "row 2, col 3", "row 2, col 4", "row 2, col 5",  },
                    new string[] { "row 3, col 1", "row 3, col 2", "row 3, col 3", "row 3, col 4", "row 3, col 5",  },
                }
            );
            // Create a new table style:
            var ts1 = doc.Styles.Add("Table Style 1", StyleType.Table);
            // We can enumerate all table borders, including inside borders:
            foreach (var border in ts1.Table.Borders)
            {
                border.LineStyle = LineStyle.Triple;
                border.LineWidth = 0.5f;
                border.Color.RGB = Color.Purple;
            }
            // Overwrite inside border's line styles:
            ts1.Table.Borders.InsideHorizontal.LineStyle =
                ts1.Table.Borders.InsideVertical.LineStyle =
                LineStyle.Double;
            // Add some padding:
            ts1.Table.Padding.All = 3;
 
            // Assign the style to the table:
            t.Style = ts1;
 
            // Set up cell (1,1) to visually span two following cells:
            var cell = t.Rows[1].Cells[1];
            cell.Format.GridSpan = 3;
            // Remove the 2 following cells (unless we want to create a jagged table):
            t.Rows[1].Cells[3].Delete();
            t.Rows[1].Cells[2].Delete();
 
            cell.GetRange().Paragraphs.First.Delete();
            cell.GetRange().Paragraphs.Add("Cell in col 2 merged with cells in cols 3 & 4");
 
            // Done:
            return doc;
        }
    }
}