protected void btnDelete_Click(object sender, EventArgs e)
    {
        dsUsers dsDeleteUser;

        string           tempPath         = Server.MapPath("~/App_Data/");
        clsBusinessLayer businessLayerObj = new clsBusinessLayer(tempPath);

        try
        {
            dsDeleteUser = businessLayerObj.RemoveUser(txtUsername.Text);

            if (dsDeleteUser.tblUsers.Rows.Count > 0)
            {
                Master.UserFeedBack.Text = "User Deleted";
            }

            else
            {
                Master.UserFeedBack.Text = "User Deleted";
            }
            btnExport.Visible = false;
            btnUpdate.Visible = false;
            btnDelete.Visible = false;
        }
        catch (Exception error)
        {
            string message = "Something went wrong...";
            Master.UserFeedBack.Text = message + error.Message;
        }
    }