Wrapping text in a gridview to a particular number of characters.

<form id="form1" runat="server">
    <div>
        <asp:gridview runat="server" id="gv"></asp:gridview> 
    </div>
</form>

public partial class _Default : System.Web.UI.Page
{
    private int NumberOfCharacterInWrap = 15;
    protected override void OnLoad(EventArgs e)
    {
        base.OnLoad(e);
        gv.RowDataBound += new GridViewRowEventHandler(gv_RowDataBound);
        if (!IsPostBack)
        {
            gv.DataSource = GetData();
            gv.DataBind();
        }
    }
    void gv_RowDataBound(object sender, GridViewRowEventArgs e)
    {
        if (e.Row.RowType == DataControlRowType.DataRow)
        {
            foreach (TableCell item in e.Row.Cells)
            {
                int stringlen = item.Text.Length;
                for (int i = 0; i < stringlen; )
                {
                    if (i > 0)
                        item.Text = item.Text.Insert(i 
                            + (Regex.Matches(item.Text, "<br/>").Count * 5)
                            , "<br/>");
                    i += NumberOfCharacterInWrap;
                }
            }
        }
    }
    private DataTable GetData()
    {
        // generating some sample data here
        // In your case you may load data table from database etc.

        DataTable dt = new DataTable();
        dt.Columns.Add("Column1");
        dt.Columns.Add("Column2");

        dt.Rows.Add(new object[] { "sdshadhadsadjdjajdajdad", "adsjdnasjdnadjkasd" });
        dt.Rows.Add(new object[] { "adnnnnnnnnnnnnnnnnnnnnnnnnnsjdnsjndnadndasdjasdhjdasjdasdad", "jhajhdhadhsk" });
        dt.Rows.Add(new object[] { "ddhashafnsdfhjshfsyudffnsjfhsfsdfnsdfjsdfs", "fjsjfsdfhsdfnsdfbdssjfsdfhdfdjfbd" });
        dt.Rows.Add(new object[] { "dkjdfjdfkdfdjfdfd", "dfdfjdjfdhjfdnfjndjfdhfjdfnjdfhdjfdhfdjfdhfhdj" });
        return dt;
    }
}