protected void grdLookup_RowCommand(object sender, GridViewCommandEventArgs e)
        {
            try
            {
                if (e.CommandName == "Save")
                {
                    DropDownList ddllkup_group = grdLookup.FooterRow.FindControl("ddllkup_group") as DropDownList;
                    TextBox txtlkup_desc = grdLookup.FooterRow.FindControl("txtlkup_desc") as TextBox;
                    int afctrows;
                    objData = new MasterData();
                    string groupvalue = ddllkup_group.SelectedItem.Value.Split('|').GetValue(0).ToString();
                    int groupsize = Convert.ToInt32(ddllkup_group.SelectedItem.Value.Split('|').GetValue(1).ToString());
                    if (groupsize < txtlkup_desc.Text.ToString().Length)
                    {
                        lblerrmsg.Text = "Check lookup value length";
                        return;
                    }
                    TextInfo textInfo = cultureInfo.TextInfo;
                    afctrows = objData.Lookup_Insert(textInfo.ToTitleCase(txtlkup_desc.Text.Trim()), groupvalue);
                    if (afctrows == 101)
                    {
                        lblerrmsg.Text = "Lookup already exists.";
                        return;
                    }
                    grdfill();
                    divmsg.InnerHtml = "Record inserted successfully.";
                    (this.Page.Master as Site1).ClearModifyStatus();
                }

            }
            catch (Exception ex)
            {
                showerror(ex);
            }
        }