e.Row.Cells[_index].Text is allways empty string

using System;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
 
namespace CustomDataCell
{
    /// <summary>
    ///It creates a long TextField in the DataBound Contorl
    /// </summary>
    public class LongTextBoundField : BoundField
    {
        private Unit _width = new Unit("250px");
        //private Unit _height = new Unit("100px");
        /// <summary>
        /// get or set the Width of the Field
        /// </summary>
        public Unit WIDTH
        {
            get { return _width; }
            set { _width = value; }
        }
        /// <summary>
        /// get or set the Height of the Field
        /// </summary>
        //public Unit HEIGHT
        //{
        //    get { return _height; }
        //    set { _height = value; }
        //}
 
        protected override void InitializeDataCell(DataControlFieldCell cell, DataControlRowState rowState)
        {
            //base.InitializeDataCell(cell, rowState);
            // if row is not in Editing mood
            if ((rowState & DataControlRowState.Edit) == 0)
            {
                HtmlGenericControl div = new HtmlGenericControl("div");
 
                div.Style[HtmlTextWriterStyle.Width] = WIDTH.ToString();
                //div.Style[HtmlTextWriterStyle.Height] = HEIGHT.ToString();
 
                div.DataBinding += new EventHandler(div_DataBinding);
 
                cell.Controls.Add(div);
            }
            else
            {
                TextBox tbEdit = new TextBox();
 
                tbEdit.TextMode = TextBoxMode.MultiLine;
                //tbEdit.Height = HEIGHT;
                tbEdit.Width = WIDTH;
 
                tbEdit.DataBinding += new EventHandler(tbEdit_DataBinding);
 
                cell.Controls.Add(tbEdit);
            }
        }
 
        void div_DataBinding(object sender, EventArgs e)
        {
            HtmlGenericControl NoEdit = (HtmlGenericControl)sender;
 
            //get the field value
            Object Value = this.GetValue(NoEdit.NamingContainer);
 
            //assigning the value to Div
            NoEdit.InnerText = this.FormatDataValue(Value, this.HtmlEncode);
            NoEdit.InnerText = NoEdit.InnerText.Replace(" 12:00:00 AM", string.Empty);
        }
 
        void tbEdit_DataBinding(object sender, EventArgs e)
        {
            TextBox editing = (TextBox)sender;
 
            //get the field value
            Object Value = this.GetValue(editing.NamingContainer);
 
            //assigning the value to TextBox.Text
            editing.Text = this.FormatDataValue(Value, this.HtmlEncode);
            editing.Text = editing.Text.Replace(" 12:00:00 AM", string.Empty);
        }
    }
}