private void btnSearch_Click(object sender, EventArgs e)
 {
     SearchUserDTO searchUserDto=new SearchUserDTO();
     searchUserDto.UserName = txtUsername.Text;
     searchUserDto.Email = txtEmail.Text;
     searchUserDto.Isdn = txtIDSN.Text;
     searchUserDto.Status = (int)EnumHelper.Parse(typeof(UserStatus), cboxStatus.Text);
     searchUserDto.PageNumber = 1;
     SearchUserBUS searchUserBus =new SearchUserBUS();
     grdUser.DataSource = searchUserBus.SearchUsers(searchUserDto);
 }
 private void btnSearch_Click(object sender, EventArgs e)
 {
     if(this.Type==1)
     {
         SearchUserDTO dto=new SearchUserDTO();
         dto.UserName = txtInformation.Text;
         SearchUserBUS bus=new SearchUserBUS();
         grdSimpleInfo.DataSource = bus.SearchSimpleUser(dto);
     }
     else if (this.Type == 2)
     {
         SearchBookDTO dto=new SearchBookDTO();
         dto.Info1 = txtInformation.Text;
         SearchBookBUS bus=new SearchBookBUS();
         grdSimpleInfo.DataSource = bus.SearchBarcode(dto);
     }
     else
     {
         SearchBookDTO dto = new SearchBookDTO();
         dto.Info1 = txtInformation.Text;
         SearchBookBUS bus = new SearchBookBUS();
         grdSimpleInfo.DataSource = bus.SearchCatalogue(dto);
     }
 }