protected void ShowValues()
    {
        BindOwner();
        int taskid = Convert.ToInt32(Request.QueryString[0]);

        objChangetask = objChangetask.Get_By_id(taskid);
        if (objChangetask.Taskid != 0)
        {
            btnUpdate.Visible   = true;
            btnAdd.Visible      = false;
            txttitle.Text       = objChangetask.Title.ToString();
            txtdescription.Text = objChangetask.Description.ToString();
            if (objChangetask.Scheduledendtime == null)
            {
                txtschdlendtime.Text = "";
            }
            else
            {
                txtschdlendtime.Text = objChangetask.Scheduledendtime.ToString();
            }
            if (objChangetask.Scheduledstarttime == null)
            {
                txtschedlstarttime.Text = "";
            }
            else
            {
                txtschedlstarttime.Text = objChangetask.Scheduledstarttime.ToString();
            }
            if (objChangetask.Actualendtime == null)
            {
                txtatendtime.Text = "";
            }
            else
            {
                txtatendtime.Text = objChangetask.Actualendtime.ToString();
            }

            if (objChangetask.Actualstarttime == null)
            {
                txtatsttime.Text = "";
            }
            else
            {
                txtatsttime.Text = objChangetask.Actualstarttime.ToString();
            }


            drpTechnician1.SelectedValue = objChangetask.Ownerid.ToString();
            drptaskstatus.SelectedValue  = objChangetask.Taskstatusid.ToString();
        }
    }