/// <summary>
/// 键盘事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void txtReadingCard_KeyDown(object sender, KeyEventArgs e)
{
if (this.txtReadingCard.Text.Length != 0 && e.KeyValue == 13)
{
objReader = readerService.GetReaderByReadingCard(this.txtReadingCard.Text.Trim());
if (objReader != null)
{
if (objReader.StatusId == 1)
{
//显示读者信息
this.lblReaderName.Text = objReader.ReaderName;
this.lblRoleName.Text = objReader.RoleName;
this.lblAllowCounts.Text = objReader.AllowCounts.ToString();
this.pbReaderImage.Image = objReader.ReaderImage != "" ? (Image) new Common.SerializeObjectToString().DeserializeObject(this.objReader.ReaderImage) : null;
//显示已借阅图书总数和剩余可借图书总数
int borrowCount = borrowService.GetBorrowCount(this.txtReadingCard.Text.Trim());
this.lblBorrowCount.Text = borrowCount.ToString();
this.lbl_Remainder.Text = (objReader.AllowCounts - borrowCount).ToString();
//开启图书条码扫描文本框
if (objReader.AllowCounts > borrowCount)
{
this.txtBarCode.Enabled = true;
this.txtBarCode.Focus();
}
else
{
MessageBox.Show("当前读者借书总数已经达到上限！", "借书提示");
}
}
else
{
MessageBox.Show("当前借阅证已经被挂失，不能继续借书！", "借书提示");
}
}
else
{
MessageBox.Show("当前借阅证号不存在！！！", "查询提示");
this.txtReadingCard.SelectAll();
}
}
}
public int GetBorrowCount(string readingCare)
{
return(borrowService.GetBorrowCount(readingCare));
}