private void borrow_btn_Click(object sender, EventArgs e)
{
fill_borrow();
if (rb_borrow_bk.Checked == false)
{
rb_borrow_bk.Checked = true;
MessageBox.Show("请重新选择读者和书本", "qoq", MessageBoxButtons.OK);
}
DialogResult br_power = DialogResult.Cancel;
if (rd.rdStatus.Equals("有效") && bk.bkStatus.Equals("在馆"))
{
br_power = MessageBox.Show("可以借书，确定借阅？(Y?N)", "lol", MessageBoxButtons.OKCancel);
}
else if (rd.rdStatus.Equals("有效"))
{
MessageBox.Show("很抱歉书本不在馆，不能借阅", "qoq", MessageBoxButtons.OK);
}
else if (bk.bkStatus.Equals("在馆"))
{
MessageBox.Show("很抱歉读者证已失效，不能借阅", "qoq", MessageBoxButtons.OK);
}
if (br_power == DialogResult.OK)
{
string sql_canlendbk = string.Format("select dbo.ReaderType.CanLendQty from dbo.ReaderType where ReaderType.rdType = (select rdType from dbo.Reader where rdID = '{0}')", rd.rdID);
int rd_canlendbk = Convert.ToInt32(Reader_ad.rd_sel(sql_canlendbk));
string sql_allendbk = string.Format("select rdBorrowQty from dbo.reader where rdID = '{0}'", rd.rdID);
int rd_allendbk = Convert.ToInt32(Reader_ad.rd_sel(sql_allendbk));
if (rd_allendbk < rd_canlendbk)
{
bk.bkStatus = "借出"; //Book对象状态
rd.rdBorrowQty = string.Format("{0}", ++rd_allendbk); //Reader对象更改后书籍数量
if (Borrow_ad.run_insql(br, 0))
{
Reader_ad.run_insql(rd, 2); //更新读者已借书本数
Book_ad.run_insql(bk, 1); //更新Reader rd书本状态
MessageBox.Show(string.Format("\"{0}\"借阅\"{1}\"成功!", rd.rdName, bk.bkName), "lol", MessageBoxButtons.OK);
}
rd_refresh_Click(null, null);
bk_refresh_Click(null, null);
}
else
{
MessageBox.Show(string.Format("\"{0}\"借阅\"{1}\"失败!", rd.rdName, bk.bkName), "lol", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
br = new Borrow();// 清空borrow对象数据
}
private void return_btn_Click(object sender, EventArgs e)
{
if (rb_return_bk.Checked == false)
{
rb_return_bk.Checked = true;
MessageBox.Show("请重新选择读者和书本", "qoq", MessageBoxButtons.OK);
}
else
{
fill_borrow_b();
if (br.BorrowID.Equals("") || br.bkID.Equals("") || br.rdID.Equals(""))
{
MessageBox.Show("请输入(借阅号 或 书本号 或 读者号)", "qoq", MessageBoxButtons.OKCancel, MessageBoxIcon.Error);
return;
}
DialogResult rt_power = DialogResult.Cancel;
rt_power = MessageBox.Show("可以还书，确定退还？(Y?N)", "lol", MessageBoxButtons.OKCancel);
if (rt_power == DialogResult.OK)
{
if (Borrow_ad.run_insql(br, 1))
{
bk.bkStatus = "在馆";
string sql_allendbk = string.Format("select rdBorrowQty from dbo.reader where rdID = '{0}'", rd.rdID);
int rd_allendbk = Convert.ToInt32(Reader_ad.rd_sel(sql_allendbk));
rd.rdBorrowQty = string.Format("{0}", --rd_allendbk);
Console.WriteLine(string.Format("{0}", --rd_allendbk));
Book_ad.run_insql(bk, 1); //更新Reader rd书本状态
Reader_ad.run_insql(rd, 2); //更新读者已借书本数
MessageBox.Show(string.Format("\"{0}\"退还\"{1}\"成功!", rd.rdName, bk.bkName), "lol", MessageBoxButtons.OK);
rd_refresh_Click(null, null);
bk_refresh_Click(null, null);
}
else
{
MessageBox.Show(string.Format("\"{0}\"退还\"{1}\"失败!", rd.rdName, bk.bkName), "lol", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
br = new Borrow();// 清空borrow对象数据
}
}
//执行按钮
private void r_btn_Click(object sender, EventArgs e)
{
tbox2rd();
string choose = rd_choose.Text;
try
{
switch (choose)
{
case "插入": Reader_ad.run_insql(rd, 0); rd_refresh_btn_Click(null, null); MessageBox.Show("Success", "lol", MessageBoxButtons.OK); break;
case "删除": Reader_ad.run_insql(rd, 1); rd_refresh_btn_Click(null, null); MessageBox.Show("Success", "lol", MessageBoxButtons.OK); break;
case "更新": Reader_ad.run_insql(rd, 2); rd_refresh_btn_Click(null, null); MessageBox.Show("Success", "lol", MessageBoxButtons.OK); break;
case "查询": r_select(string.Format("select * from dbo.reader where {0} like '{1}'", rd_select_choose.Text, rd_select_text.Text)); break;
}
}
catch (SqlException ex)
{
MessageBox.Show(ex.Message, "qoq", MessageBoxButtons.OK);
}
}