//根据借书证号查询借书信息
private void txtReadingCard_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyValue == 13 && this.txtReadingCard.Text.Trim().Length != 0)
{
objReader = objBorrowManger.GetReaderBorrowInfo(this.txtReadingCard.Text.Trim());
if (objReader != null)
{
if (objReader.StatusId == 1)
{
//显示借书信息
this.lblReaderName.Text = objReader.ReaderName;
this.lblRoleName.Text = objReader.RoleName;
this.lblAllowCounts.Text = objReader.AllowCounts.ToString();
this.lblBorrowCount.Text = objReader.BorrowCount.ToString();
this.pbReaderImage.Image = objReader.ReaderImage.Length != 0 ? (Image) new Common.SerializeObjectToString().DeserializeObject(objReader.ReaderImage) : null;
int remainder = objReader.AllowCounts - objReader.BorrowCount;//剩借总数
this.lbl_Remainder.Text = remainder.ToString();
if (remainder > 0)
{
//启用借书
this.txtBarCode.Enabled = true;
this.btnSave.Enabled = true;
this.btnDel.Enabled = true;
return;
}
else
{
MessageBox.Show("该证借书到到上限！", "提示信息");
}
}
else
{
MessageBox.Show("该证已挂失，请与管理员联系！", "提示信息");
}
}
else
{
MessageBox.Show("该证不存在，请核实！", "提示信息");
}
//清空借书信息
this.lblReaderName.Text = "";
this.lblRoleName.Text = "";
this.lblAllowCounts.Text = "0";
this.lblBorrowCount.Text = "0";
this.pbReaderImage.Image = null;
this.lbl_Remainder.Text = "0";
this.txtReadingCard.Text = "";
this.dgvBookList.DataSource = null;
this.objReader = null;
//禁用借书
this.txtBarCode.Enabled = false;
this.btnSave.Enabled = false;
this.btnDel.Enabled = false;
}
}
//显示借书信息
private void txtReadingCard_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyValue == 13 && this.txtReadingCard.Text.Trim().Length != 0)
{
//调用借书信息
objReader = objBorrowManager.GetReaderBorrowInfo(this.txtReadingCard.Text.Trim());
if (objReader != null)
{ //当已借总数大于零(打开还书开关、并显示借书信息)
if (objReader.BorrowCount > 0)
{
if (objReader.StatusId == 0)
{
MessageBox.Show("借书证禁用", "禁用提示");
return;
}
//打开还书开关
this.btnConfirmReturn.Enabled = true;
this.txtBarCode.Enabled = true;
//显示借书信息
this.lblReaderName.Text = objReader.ReaderName;
this.lblRoleName.Text = objReader.RoleName;
this.lblAllowCounts.Text = objReader.AllowCounts.ToString();
this.lblBorrowCount.Text = objReader.BorrowCount.ToString();
this.pbReaderImage.Image = objReader.ReaderImage.Length != 0 ? (Image) new Common.SerializeObjectToString().DeserializeObject(objReader.ReaderImage) : null;
int remainder = objReader.AllowCounts - objReader.BorrowCount;//剩借总数
this.lbl_Remainder.Text = remainder.ToString();
//显示借书列表
detailList = objReturnBookManager.QueryBookByReadingCard(this.txtReadingCard.Text.Trim());
this.dgvNonReturnList.DataSource = detailList;
}
else
{
MessageBox.Show("该证还没有借书，没有书可还", "提示信息");
this.txtReadingCard.SelectAll();
return;
}
}
else
{
MessageBox.Show("没有该借书证，请核实", "提示信息");
return;
}
}
}