public static Template CreateGridTemplate( 
   int columnCount
)

using System;
using System.Windows.Forms;
using System.Drawing;

namespace GrapeCity.Win.MultiRow.SampleCode
{
    class CreateGridTemplateDemo:Form
    {
        private GcMultiRow gcMultiRow1 = new GcMultiRow();
        private FlowLayoutPanel panel = new FlowLayoutPanel();

        public CreateGridTemplateDemo()
        {
            this.Text = "CreateGridTemplate Demo";
            this.Size = new Size(1000, 750);

            // Initial flow layout panel and add to form.
            this.panel.Dock = DockStyle.Left;
            this.panel.Size = new Size(450, 200);
            this.panel.FlowDirection = FlowDirection.TopDown;
            this.panel.WrapContents = false;
            this.panel.Padding = new Padding(5);
            this.panel.AutoSize = true;
            this.Controls.Add(panel);

            this.gcMultiRow1.Dock = DockStyle.Left;
            this.gcMultiRow1.Width = 550;
            this.Controls.Add(this.gcMultiRow1);

            this.Load += new EventHandler(Form1_Load);

            InitButton();

            this.StartPosition = FormStartPosition.CenterScreen;
        }
        private void Form1_Load(object sender, EventArgs e)
        {
            gcMultiRow1.Template = Template.Default;
            gcMultiRow1.RowCount = 20;
        }

        #region Button Event Handlers
        void setFirst_Click(object sender, EventArgs e)
        {
            Template template1 = Template.CreateGridTemplate(5);
            this.gcMultiRow1.Template = template1;
        }

        void setSecond_Click(object sender, EventArgs e)
        {
            Template template1 = Template.CreateGridTemplate(5, 100, 25);
            this.gcMultiRow1.Template = template1;
        }

        void setThird_Click(object sender, EventArgs e)
        {
            Template template1 = Template.CreateGridTemplate(8, 100, 25, 400, AutoGenerateGridTemplateStyles.RowHeaderAutoNumber | AutoGenerateGridTemplateStyles.ColumnHeader, 50);
            this.gcMultiRow1.Template = template1;
        }

        void SetFourth_Click(object sender, EventArgs e)
        {
            NumericUpDownCell numericUpDownCell1 = new NumericUpDownCell();
            numericUpDownCell1.Value = 0;

            NumericUpDownCell numericUpDownCell2 = new NumericUpDownCell();
            numericUpDownCell2.Value = 16m;

            Template template1 = Template.CreateGridTemplate(new Cell[] { numericUpDownCell1, numericUpDownCell2 }, Int32.MaxValue,
                AutoGenerateGridTemplateStyles.ColumnHeader | AutoGenerateGridTemplateStyles.RowHeaderAutoNumber, 50);
            template1.ColumnHeaders[0].Cells[0].Value = "Column1";
            template1.ColumnHeaders[0].Cells[1].Value = "Column2";

            gcMultiRow1.Template = template1;
            gcMultiRow1.RowCount = 10;
        }
        #endregion

        #region Initialize Buttons

        private void InitButton()
        {
            AddButton(setFirst, "CreateGridTemplate(int)", new EventHandler(setFirst_Click));
            AddButton(setSecond, "CreateGridTemplate(int,int,int)", new EventHandler(setSecond_Click));
            AddButton(setThird, "CreateGridTemplate(int,int,int,int,AutoGenerateGridTemplateStyles,int)", new EventHandler(setThird_Click));
            AddButton(setFourth, "CreateGridTemplate(IEnumerable<Cell>,int,AutoGenerateGridTemplateStyles,int)", new EventHandler(SetFourth_Click));
        }

        private void AddButton(Button button, string text, EventHandler eventHandler)
        {
            this.panel.Controls.Add(button);
            button.Text = text;
            button.AutoSize = true;
            button.Click += eventHandler;
        }

        Button setFirst = new Button();
        Button setSecond = new Button();
        Button setThird = new Button();
        Button setFourth = new Button();

        #endregion

        [STAThreadAttribute()]
        public static void Main()
        {
            Application.EnableVisualStyles();
            Application.Run(new CreateGridTemplateDemo());
        }
    }
}