public void RefreshData()
{
string sqlStr = "";
DataSet ds = new DataSet();
if (cmbUserType.Text.Trim() == "普通管理员")
{
sqlStr = "select " + dgrdvAdminSelectSql +
" from tbl_Admin where adminType= '普通管理员'";
ds = CDataBase.GetDataFromDB(sqlStr);
if (ds != null)
{
SetDgrdvAdmin(ds);
}
else
{
dgrdvUser.DataSource = null;
}
}
else
{
sqlStr = "select * from tbl_Customer";
ds = CDataBase.GetDataFromDB(sqlStr);
if (ds != null)
{
SetDgrdvCustomer(ds);
}
else
{
dgrdvUser.DataSource = null;
}
}
}
private void btnDelete_Click(object sender, EventArgs e)
{
try
{
string userName;
if (dgrdvUser.DataSource == null)
{
MessageBox.Show("没有可以删除的用户", "提示");
}
else
{
int n = this.dgrdvUser.CurrentCell.RowIndex;
userName = this.dgrdvUser.Rows[n].Cells[0].Value.ToString().Trim();
if (MessageBox.Show("确定要删除用户“" + userName + "”吗?", "删除用户",
MessageBoxButtons.YesNo, MessageBoxIcon.Question,
MessageBoxDefaultButton.Button2) == DialogResult.Yes)
{
string sqlStr = "delete from tbl_User where userName='******'";
CDataBase.UpdateDB(sqlStr);
dgrdvUser.Rows.RemoveAt(n);
}
}
}
catch (Exception ex)
{
CDataBase.conn.Close();
MessageBox.Show(ex.Message);
}
}
private void btnDeletePswPctQuestion_Click(object sender, EventArgs e)
{
try
{
if (MessageBox.Show("删除密保问题答案后,一旦忘记用户密码,将无法找回,确定要删除吗?",
"删除密保问题答案", MessageBoxButtons.YesNo, MessageBoxIcon.Warning,
MessageBoxDefaultButton.Button2) == DialogResult.Yes)
{
string sqlStr = "delete from tbl_Information where userName='******'";
if (CDataBase.UpdateDB(sqlStr))
{
txtName.Text = "";
txtAnswer1.Text = "";
txtAnswer2.Text = "";
txtAnswer3.Text = "";
sqlStr = "update tbl_User set firstLogin='******' where userName='******'";
CDataBase.UpdateDB(sqlStr);
MessageBox.Show("删除密保问题成功", "恭喜");
set = true;
txtName.Focus();
}
}
}
catch (Exception ex)
{
CDataBase.conn.Close();
MessageBox.Show(ex.Message);
}
}
private void btnClose_Click(object sender, EventArgs e)
{
string sqlStr;
sqlStr = "update tbl_OrderForm set orderStatus = '已送达' where orderStatus = '已出库' ";
CDataBase.UpdateDB(sqlStr);
if ((ob_FrmBook != null && !ob_FrmBook.IsDisposed) ||
(ob_FrmFinance != null && !ob_FrmFinance.IsDisposed) ||
(ob_FrmStock != null && !ob_FrmStock.IsDisposed) ||
(ob_FrmInfoAdmin != null && !ob_FrmInfoAdmin.IsDisposed) ||
(ob_FrmUser != null && !ob_FrmUser.IsDisposed) ||
(ob_FrmDataBase != null && !ob_FrmDataBase.IsDisposed) ||
(ob_FrmHelp != null && !ob_FrmHelp.IsDisposed))
{
if (MessageBox.Show("已打开了部分子系统,确实要退出系统吗?", "询问",
MessageBoxButtons.YesNo, MessageBoxIcon.Question,
MessageBoxDefaultButton.Button2) == DialogResult.Yes)
{
Application.Exit();
}
}
else
{
Application.Exit();
}
}
bool RefreshBookData(string sqlStr)
{
DataSet ds = new DataSet();
ds = CDataBase.GetDataFromDB(sqlStr);
if (ds != null)
{
dgrdvBookCity.DataSource = ds.Tables[0];
dgrdvBookCity.Columns[0].HeaderText = "仓库编号";
dgrdvBookCity.Columns[0].Width = 100;
dgrdvBookCity.Columns[1].HeaderText = "书籍编号";
dgrdvBookCity.Columns[1].Width = 98;
dgrdvBookCity.Columns[2].HeaderText = "书名";
dgrdvBookCity.Columns[2].Width = 98;
dgrdvBookCity.Columns[3].HeaderText = "作者";
dgrdvBookCity.Columns[3].Width = 80;
dgrdvBookCity.Columns[4].HeaderText = "出版社";
dgrdvBookCity.Columns[4].Width = 80;
dgrdvBookCity.Columns[5].HeaderText = "零售价";
dgrdvBookCity.Columns[5].Width = 80;
dgrdvBookCity.Columns[6].HeaderText = "折扣信息";
dgrdvBookCity.Columns[6].Width = 80;
return(true);
}
else
{
dgrdvBookCity.DataSource = null;
return(false);
}
}
private void btnClose_Click(object sender, EventArgs e)
{
try
{
string sqlStr;
sqlStr = "update tbl_OrderForm set orderStatus = '已出库' where orderStatus = '未出库' ";
CDataBase.UpdateDB(sqlStr);
if ((ob_FrmInfoCustomer != null && !ob_FrmInfoCustomer.IsDisposed) ||
(ob_FrmBookCity != null && !ob_FrmBookCity.IsDisposed) ||
(ob_FrmOrder != null && !ob_FrmOrder.IsDisposed) ||
(ob_FrmHelp != null && !ob_FrmHelp.IsDisposed))
{
if (MessageBox.Show("已打开了部分子系统,确实要退出系统吗?", "询问",
MessageBoxButtons.YesNo, MessageBoxIcon.Question,
MessageBoxDefaultButton.Button2) == DialogResult.Yes)
{
Application.Exit();
}
}
else
{
Application.Exit();
}
}
catch (Exception ex)
{
CDataBase.conn.Close();
MessageBox.Show(ex.Message);
}
}
bool RefreshFinanceData(string sqlStr)
{
DataSet ds = new DataSet();
ds = CDataBase.GetDataFromDB(sqlStr);
if (ds != null)
{
dgrdvFinance.DataSource = ds.Tables[0];
dgrdvFinance.Columns[0].HeaderText = "账单编号";
dgrdvFinance.Columns[0].Width = 137;
dgrdvFinance.Columns[1].HeaderText = "金额";
dgrdvFinance.Columns[1].Width = 70;
dgrdvFinance.Columns[2].HeaderText = "类型";
dgrdvFinance.Columns[2].Width = 60;
dgrdvFinance.Columns[3].HeaderText = "创建者";
dgrdvFinance.Columns[3].Width = 112;
dgrdvFinance.Columns[4].HeaderText = "创建时间";
dgrdvFinance.Columns[4].Width = 120;
return(true);
}
else
{
dgrdvFinance.DataSource = null;
return(false);
}
}
void RefreshImportData()
{
string sqlStr1;
DataSet ds1 = new DataSet();
sqlStr1 = "select tbl_ImportList.warehouseID, tbl_Warehouse.warehouseCity, tbl_Book.bookID," +
" tbl_Book.title, tbl_ImportList.importPrice, tbl_ImportList.importNumber, tbl_ImportList.status, tbl_ImportList.generateDateTime " +
" from tbl_ImportList , tbl_Book, tbl_Warehouse where tbl_ImportList.bookID = tbl_Book.bookID " +
"and tbl_ImportList.warehouseID = tbl_Warehouse.warehouseID ";
ds1 = CDataBase.GetDataFromDB(sqlStr1);
if (ds1 != null)
{
dgrdvImportList.DataSource = ds1.Tables[0];
dgrdvImportList.Columns[0].HeaderText = "仓库编号";
dgrdvImportList.Columns[0].Width = 80;
dgrdvImportList.Columns[1].HeaderText = "仓库所在地";
dgrdvImportList.Columns[1].Width = 95;
dgrdvImportList.Columns[2].HeaderText = "书籍编号";
dgrdvImportList.Columns[2].Width = 80;
dgrdvImportList.Columns[3].HeaderText = "书名";
dgrdvImportList.Columns[3].Width = 78;
dgrdvImportList.Columns[4].HeaderText = "进货价";
dgrdvImportList.Columns[4].Width = 75;
dgrdvImportList.Columns[5].HeaderText = "进货数量";
dgrdvImportList.Columns[5].Width = 80;
dgrdvImportList.Columns[6].HeaderText = "当前状态";
dgrdvImportList.Columns[6].Width = 80;
dgrdvImportList.Columns[7].HeaderText = "生成日期";
dgrdvImportList.Columns[7].Width = 135;
}
else
{
dgrdvImportList.DataSource = null;
}
}
private void btnAdd_Click(object sender, EventArgs e)
{
try
{
if (btnAdd.Text == "添加")
{
btnAdd.Text = "确定";
btnDelete.Enabled = false;
ObjOpen();
}
else if (txtWarehouseID.Text.Trim() == "")
{
MessageBox.Show("仓库编号不能为空!", "提示");
txtWarehouseID.Focus();
return;
}
else if (txtCity.Text.Trim() == "")
{
MessageBox.Show("所在城市不能为空!", "提示");
txtCity.Focus();
return;
}
else if (txtPhone.Text.Trim() == "")
{
MessageBox.Show("联系电话不能为空!", "提示");
txtPhone.Focus();
return;
}
else if (txtRent.Text.Trim() == "")
{
MessageBox.Show("每月租金不能为空!", "提示");
txtRent.Focus();
return;
}
else if (!No(txtWarehouseID.Text.Trim()))
{
MessageBox.Show("该仓库已存在!", "提示");
ClearAll();
return;
}
else
{
btnAdd.Text = "添加";
string sqlStr = "insert into tbl_Warehouse values('" + txtWarehouseID.Text.Trim() + "','" +
txtCity.Text.Trim() + "','" + txtPhone.Text.Trim() + "','" + txtRent.Text.Trim() + "')";
CDataBase.UpdateDB(sqlStr);
RefreshData("select * from tbl_Warehouse");
ClearAll();
ObjClose();
}
}
catch (Exception ex)
{
CDataBase.conn.Close();
MessageBox.Show(ex.Message);
ClearAll();
ObjClose();
}
}
private void btnDelete_Click(object sender, EventArgs e)
{
try
{
if (txtBookID.Text.Trim() == "")
{
MessageBox.Show("没有可删除的记录!", "提示");
return;
}
string sqlStr1 = "select * from tbl_ShoppingBasket where bookID='" + txtBookID.Text.Trim() + "'";
string sqlStr2 = "select * from tbl_OrderForm where bookID='" + txtBookID.Text.Trim() + "'";
string sqlStr3 = "select * from tbl_ImportList where bookID='" + txtBookID.Text.Trim() + "'";
string sqlStr4 = "select * from tbl_Stocks where bookID='" + txtBookID.Text.Trim() + "'";
if (CDataBase.GetDataFromDB(sqlStr1) != null)
{
MessageBox.Show("顾客购物篮中存在这本书,不能删除该书!", "删除出错", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else if (CDataBase.GetDataFromDB(sqlStr2) != null)
{
MessageBox.Show("顾客订单中存在这本书,不能删除该书!", "删除出错", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else if (CDataBase.GetDataFromDB(sqlStr3) != null)
{
MessageBox.Show("进货清单中存在这本书,不能删除该书!", "删除出错", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else if (CDataBase.GetDataFromDB(sqlStr4) != null)
{
string sqlStr5 = "delete from tbl_Stocks where bookID='" + txtBookID.Text.Trim() + "'";
CDataBase.UpdateDB(sqlStr5);
}
else if (MessageBox.Show("确定要删除书籍“" + txtTitle.Text.Trim() + "”吗?", "删除书籍",
MessageBoxButtons.YesNo, MessageBoxIcon.Question,
MessageBoxDefaultButton.Button2) == DialogResult.Yes)
{
string sqlStr = "delete from tbl_Book where bookID='" + txtBookID.Text.Trim() + "'";
CDataBase.UpdateDB(sqlStr);
int n = dgrdvBook.CurrentCell.RowIndex;
dgrdvBook.Rows.RemoveAt(n);
if (dgrdvBook.Rows.Count == 1)
{
ClearAll();
dgrdvBook.DataSource = null;
}
else
{
dgrdvBook_RowHeaderMouseClick(null, null);
}
}
}
catch (Exception ex)
{
CDataBase.conn.Close();
MessageBox.Show(ex.Message);
}
}
private void btnUpdate_Click(object sender, EventArgs e)
{
try
{
if (btnUpdate.Text.Trim() == "修改")
{
btnUpdate.Text = "确定";
btnAdd.Enabled = false;
btnDelete.Enabled = false;
btnClose.Enabled = false;
cmbSelect.Enabled = false;
txtSelect.Enabled = false;
btnSelect.Enabled = false;
btnAll.Enabled = false;
btnUp.Enabled = false;
btnDown.Enabled = false;
dgrdvBook.Enabled = false;
ObjUpdateOpen();
}
else
{
btnUpdate.Text = "修改";
btnAdd.Enabled = true;
btnDelete.Enabled = true;
btnClose.Enabled = true;
cmbSelect.Enabled = true;
txtSelect.Enabled = true;
btnSelect.Enabled = true;
btnAll.Enabled = true;
btnUp.Enabled = true;
btnDown.Enabled = true;
dgrdvBook.Enabled = true;
ObjClose();
double retail = Convert.ToDouble(txtRetail.Text.Trim());
double import = Convert.ToDouble(txtImport.Text.Trim());
string sqlStr;
sqlStr = "update tbl_Book set bookID='" + txtBookID.Text.Trim() + "',ISBN='" +
txtISBN.Text.Trim() + "',title='" + txtTitle.Text.Trim() + "',bookAuthor='" +
txtAuthor.Text.Trim() + "',bookPublisher='" + txtPublisher.Text.Trim() + "',year='" +
txtYear.Text.Trim() + "',retailPrice =" + retail + " ,importPrice =" +
import + " ,profit = " + (retail - import) + " ,profitRate = " +
((retail - import) / import) + " ,discountRate = " + TDouble(txtDiscount.Text.Trim()) +
" where bookID='" + txtBookID.Text.Trim() + "'";
CDataBase.UpdateDB(sqlStr);
bool b = RefreshData("select * from tbl_Book");
}
}
catch (Exception ex)
{
CDataBase.conn.Close();
MessageBox.Show(ex.Message);
}
}
void InsertAdminInfo()
{
CDataBase.conn.ConnectionString = CDataBase.connStr;
string psw = CPublic.GetMd5Str(txtSAPassword.Text.Trim());
string sqlStr1 = "insert into tbl_User values('" + txtSuperAdmin.Text.Trim() + "','" + psw.Trim() + "','超级管理员','是')";
string sqlStr2 = "insert into tbl_Admin values('" + txtSuperAdmin.Text.Trim() + "','" +
txtSuperName.Text.Trim() + "','" + "000" + "','" + cmbSuperSex.Text.Trim() + "','" +
txtSuperAge.Text.Trim() + "','" + "超级管理员" + "','" + "2014-01-01" + "','" + "10000" + "')";
if (CDataBase.UpdateDB(sqlStr1) && CDataBase.UpdateDB(sqlStr2))
{
MessageBox.Show("超级管理员: " + txtSuperAdmin.Text + " 注册成功!");
}
}
private void btnOK_Click(object sender, EventArgs e)
{
try
{
startDateString = dtpStartDate.Value.ToString("yyyy-MM-dd");
if (txtName.Text.Trim() == "")
{
MessageBox.Show("姓名不能为空", "提示");
txtName.Focus();
}
else if (txtJobID.Text.Trim() == "")
{
MessageBox.Show("工号不能为空", "提示");
txtJobID.Focus();
}
else if (txtAge.Text.Trim() == "")
{
MessageBox.Show("年龄不能为空", "提示");
txtAge.Focus();
}
else if (int.Parse(txtAge.Text.Trim()) <= 0)
{
MessageBox.Show("年龄必须大于零", "提示");
}
else if (txtSalaryPerMonth.Text.Trim() == "")
{
MessageBox.Show("月薪不能为空", "提示");
txtSalaryPerMonth.Focus();
}
else
{
string sqlStr = "insert into tbl_Admin values('" + txtUserName.Text.Trim() + "','" +
txtName.Text.Trim() + "','" + txtJobID.Text.Trim() + "','" + cmbSex.Text.Trim() + "','" +
txtAge.Text.Trim() + "','" + "普通管理员" + "','" + startDateString + "','" +
txtSalaryPerMonth.Text.Trim() + "')";
if (CDataBase.UpdateDB(sqlStr))
{
MessageBox.Show("普通管理员：" + txtUserName.Text + " 信息完善成功!", "完善用户信息");
}
this.Close();
}
}
catch (Exception ex)
{
CDataBase.conn.Close();
MessageBox.Show(ex.Message);
this.Close();
}
}
private void btnClose_Click(object sender, EventArgs e)
{
try
{
string sqlStr = "delete from tbl_ShoppingBasket where basketStatus = '已付款' or basketStatus ='已删除'";
if (CDataBase.UpdateDB(sqlStr))
{
this.Close();
}
}
catch (Exception ex)
{
CDataBase.conn.Close();
MessageBox.Show(ex.Message);
}
}
private void btnAddToBasket_Click(object sender, EventArgs e)
{
try
{
if (dgrdvBookCity.DataSource == null)
{
MessageBox.Show("没有能够添加到购物篮的书籍!", "提示");
return;
}
if (nupNumber.Value < 1)
{
MessageBox.Show("请输入要选购的数量!", "提示");
nupNumber.Focus();
return;
}
int n = dgrdvBookCity.CurrentCell.RowIndex;
string warehouseID = dgrdvBookCity[0, n].Value.ToString().Trim();
string bookID = dgrdvBookCity[1, n].Value.ToString().Trim();
int m = dgrdvBasket.RowCount - 1;
for (int i = 0; i < m; i++)
{
if (dgrdvBasket[0, i].Value.ToString().Trim() == warehouseID &&
dgrdvBasket[1, i].Value.ToString().Trim() == bookID &&
dgrdvBasket[7, i].Value.ToString().Trim() == "未付款")
{
MessageBox.Show("购物篮中已经存在该书，请更改购物篮数量!", "提示");
nupNumberUpdate.Focus();
return;
}
}
string sqlStr = "insert into tbl_ShoppingBasket values('" + bookID + "','" + warehouseID + "','" +
CPublic.userInfo[0] + "', " + (int)nupNumber.Value + " , " + "'未付款')";
CDataBase.UpdateDB(sqlStr);
sqlStr = "delete from tbl_ShoppingBasket where basketStatus = '已付款' or basketStatus ='已删除'";
CDataBase.UpdateDB(sqlStr);
RefreshBasketData();
MessageBox.Show("添加到购物篮成功!", "提示");
btnPay.Enabled = true;
nupNumber.Enabled = false;
nupNumber.Value = 0;
}
catch (Exception ex)
{
CDataBase.conn.Close();
MessageBox.Show(ex.Message);
}
}
private void btnUpdate_Click(object sender, EventArgs e)
{
try
{
if (txtName1.Text.Trim() == "")
{
MessageBox.Show("姓名不能为空", "提示");
txtName1.Focus();
}
else if (txtStartDate.Text.Trim() == "")
{
MessageBox.Show("入职日期不能为空", "提示");
txtStartDate.Focus();
}
else if (txtAge.Text.Trim() == "")
{
MessageBox.Show("年龄不能为空", "提示");
txtAge.Focus();
}
else if (txtSalary.Text.Trim() == "")
{
MessageBox.Show("月薪不能为空", "提示");
txtSalary.Focus();
}
else
{
string sqlStr = "update tbl_Admin set adminName='" + txtName1.Text.Trim() + "',adminAge='"
+ txtAge.Text.Trim() + "',startDate='" + txtStartDate.Text.Trim() + "',salaryPerMonth='"
+ txtSalary.Text.Trim() + "' where adminUserName='******'";
if (CDataBase.UpdateDB(sqlStr))
{
MessageBox.Show("修改个人信息成功!", "恭喜");
adminName = txtName1.Text;
startDate = txtStartDate.Text;
adminAge = txtAge.Text;
adminSalary = txtSalary.Text;
}
}
}
catch (Exception ex)
{
CDataBase.conn.Close();
MessageBox.Show(ex.Message);
this.Close();
}
}
private void btnChagePassword_Click(object sender, EventArgs e)
{
try
{
if (CPublic.GetMd5Str(txtOldPassword.Text.Trim()) != CPublic.userInfo[1])
{
MessageBox.Show("旧密码错误,请重新输入", "提示");
txtOldPassword.Text = "";
txtNewPassword1.Text = "";
txtNewPassword2.Text = "";
txtOldPassword.Focus();
}
else if (txtNewPassword1.Text.Trim() == "" && txtNewPassword2.Text.Trim() == "")
{
MessageBox.Show("密码不能为空", "提示");
txtNewPassword1.Focus();
}
else if (txtNewPassword1.Text.Trim() == txtNewPassword2.Text.Trim())
{
string psw = CPublic.GetMd5Str(txtNewPassword1.Text.Trim());
string sqlStr = "update tbl_User set userPassword='******' where userName='******'";
if (CDataBase.UpdateDB(sqlStr))
{
CPublic.userInfo[1] = psw.Trim();
MessageBox.Show("修改成功,请记住您的新密码", "修改密码");
txtOldPassword.Text = "";
txtNewPassword1.Text = "";
txtNewPassword2.Text = "";
}
}
else
{
MessageBox.Show("两次输入的密码不一致", "提示");
txtNewPassword1.Text = "";
txtNewPassword2.Text = "";
txtNewPassword1.Focus();
}
}
catch (Exception ex)
{
CDataBase.conn.Close();
MessageBox.Show(ex.Message);
}
}
bool No(string no)
{
string sqlStr = "select * from tbl_Book";
DataSet ds = new DataSet();
ds = CDataBase.GetDataFromDB(sqlStr);
if (ds != null)
{
int n = ds.Tables[0].Rows.Count;
for (int i = 0; i < n; i++)
{
if (no == ds.Tables[0].Rows[i].ItemArray[0].ToString().Trim())
{
return(false);
}
}
}
return(true);
}
private void btnDelete_Click(object sender, EventArgs e)
{
try
{
int n = dgrdvWarehouse.CurrentCell.RowIndex;
string warehouseID = dgrdvWarehouse[0, n].Value.ToString().Trim();
string sqlStr1 = "select * from tbl_ImportList where warehouseID='" + warehouseID + "'";
string sqlStr2 = "select * from tbl_Stocks where warehouseID='" + warehouseID + "'";
if (CDataBase.GetDataFromDB(sqlStr1) != null)
{
MessageBox.Show("进货清单中存在该仓库,不能删除该仓库!", "删除出错", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else if (CDataBase.GetDataFromDB(sqlStr2) != null)
{
MessageBox.Show("该仓库中仍有书籍库存,不能删除该仓库!", "删除出错", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else if (MessageBox.Show("确定要删除仓库“" + warehouseID + "”吗?", "删除仓库",
MessageBoxButtons.YesNo, MessageBoxIcon.Question,
MessageBoxDefaultButton.Button2) == DialogResult.Yes)
{
string sqlStr = "delete from tbl_Warehouse where warehouseID='" + warehouseID + "'";
CDataBase.UpdateDB(sqlStr);
int m = dgrdvWarehouse.CurrentCell.RowIndex;
dgrdvWarehouse.Rows.RemoveAt(m);
if (dgrdvWarehouse.Rows.Count == 1)
{
ClearAll();
dgrdvWarehouse.DataSource = null;
}
else
{
dgrdvWarehouse_RowHeaderMouseClick(null, null);
}
}
}
catch (Exception ex)
{
CDataBase.conn.Close();
MessageBox.Show(ex.Message);
}
}
bool RefreshData(string sqlStr)
{
DataSet ds = new DataSet();
ds = CDataBase.GetDataFromDB(sqlStr);
if (ds != null)
{
dgrdvBook.DataSource = ds.Tables[0];
dgrdvBook.Columns[0].HeaderText = "书籍编号";
dgrdvBook.Columns[0].Width = 80;
dgrdvBook.Columns[1].HeaderText = "ISBN";
dgrdvBook.Columns[1].Width = 80;
dgrdvBook.Columns[2].HeaderText = "书名";
dgrdvBook.Columns[2].Width = 115;
dgrdvBook.Columns[3].HeaderText = "作者";
dgrdvBook.Columns[3].Width = 60;
dgrdvBook.Columns[4].HeaderText = "出版社";
dgrdvBook.Columns[4].Width = 70;
dgrdvBook.Columns[5].HeaderText = "出版年份";
dgrdvBook.Columns[5].Width = 80;
dgrdvBook.Columns[6].HeaderText = "零售价";
dgrdvBook.Columns[6].Width = 70;
dgrdvBook.Columns[7].HeaderText = "进货价";
dgrdvBook.Columns[7].Width = 70;
dgrdvBook.Columns[8].HeaderText = "利润";
dgrdvBook.Columns[8].Width = 40;
dgrdvBook.Columns[9].HeaderText = "利润率";
dgrdvBook.Columns[9].Width = 70;
dgrdvBook.Columns[10].HeaderText = "折扣信息";
dgrdvBook.Columns[10].Width = 80;
dgrdvBook_RowHeaderMouseClick(null, null);
return(true);
}
else
{
dgrdvBook.DataSource = null;
return(false);
}
}
private void btnUpdate_Click(object sender, EventArgs e)
{
try
{
if (txtName1.Text.Trim() == "")
{
MessageBox.Show("姓名不能为空", "提示");
txtName1.Focus();
}
else if (txtPhone.Text.Trim() == "")
{
MessageBox.Show("电话不能为空", "提示");
txtPhone.Focus();
}
else if (txtAddress.Text.Trim() == "")
{
MessageBox.Show("地址不能为空", "提示");
txtAddress.Focus();
}
else
{
string sqlStr = "update tbl_Customer set customerName='" + txtName1.Text.Trim() + "',customerPhone='"
+ txtPhone.Text.Trim() + "',customerAddress='" + txtAddress.Text.Trim() + "',balance='"
+ txtBalance.Text.Trim() + "' where customerEmail='" + CPublic.userInfo[0] + "'";
if (CDataBase.UpdateDB(sqlStr))
{
MessageBox.Show("修改个人信息成功!", "恭喜");
customerName = txtName1.Text;
balance = txtBalance.Text;
}
}
}
catch (Exception ex)
{
CDataBase.conn.Close();
MessageBox.Show(ex.Message);
this.Close();
}
}
private void FrmAddNewBook_Load(object sender, EventArgs e)
{
string sqlStr = "select * from tbl_Warehouse";
DataSet ds = new DataSet();
ds = CDataBase.GetDataFromDB(sqlStr);
if (ds != null)
{
int n = ds.Tables[0].Rows.Count;
cmbWarehouse.Items.Clear();
for (int i = 0; i < n; i++)
{
cmbWarehouse.Items.Add(ds.Tables[0].Rows[i].ItemArray[0]);
}
cmbWarehouse.SelectedIndex = -1;
}
else
{
MessageBox.Show("没有可用的仓库", "警告");
this.Close();
}
}
private void btnUpdateNumber_Click(object sender, EventArgs e)
{
try
{
int n = dgrdvBasket.CurrentCell.RowIndex;
string warehouseID = dgrdvBasket[0, n].Value.ToString().Trim();
string bookID = dgrdvBasket[1, n].Value.ToString().Trim();
if (MessageBox.Show("确定将数量更改为" + nupNumberUpdate.Value.ToString().Trim() + "吗 ?", "删除购物篮",
MessageBoxButtons.YesNo, MessageBoxIcon.Question,
MessageBoxDefaultButton.Button2) == DialogResult.Yes)
{
string sqlStr = "update tbl_ShoppingBasket set basketNumber = " + (int)nupNumberUpdate.Value +
" where warehouseID='" + warehouseID + "' and bookID='" + bookID + "' and basketStatus ='未付款'";
CDataBase.UpdateDB(sqlStr);
RefreshBasketData();
}
}
catch (Exception ex)
{
CDataBase.conn.Close();
MessageBox.Show(ex.Message);
}
}
private void btnOK_Click(object sender, EventArgs e)
{
try
{
if (txtName.Text.Trim() == "")
{
MessageBox.Show("姓名不能为空", "提示");
txtName.Focus();
}
else if (txtPhone.Text.Trim() == "")
{
MessageBox.Show("电话不能为空", "提示");
txtPhone.Focus();
}
else if (txtAddress.Text.Trim() == "")
{
MessageBox.Show("地址不能为空", "提示");
txtAddress.Focus();
}
else
{
string sqlStr = "insert into tbl_Customer values('" + txtUserName.Text.Trim() + "','" +
txtName.Text.Trim() + "','" + txtPhone.Text.Trim() + "','" + txtAddress.Text.Trim() + "','" + "10000.00" + "')";
if (CDataBase.UpdateDB(sqlStr))
{
MessageBox.Show("顾客：" + txtUserName.Text + " 信息完善成功!", "完善用户信息");
}
this.Close();
}
}
catch (Exception ex)
{
CDataBase.conn.Close();
MessageBox.Show(ex.Message);
this.Close();
}
}
bool RefreshData(string sqlStr)
{
DataSet ds = new DataSet();
ds = CDataBase.GetDataFromDB(sqlStr);
if (ds != null)
{
dgrdvOrder.DataSource = ds.Tables[0];
dgrdvOrder.Columns[0].HeaderText = "书名";
dgrdvOrder.Columns[0].Width = 100;
dgrdvOrder.Columns[1].HeaderText = "数量";
dgrdvOrder.Columns[1].Width = 60;
dgrdvOrder.Columns[2].HeaderText = "付款时间";
dgrdvOrder.Columns[2].Width = 115;
dgrdvOrder.Columns[3].HeaderText = "订单状态";
dgrdvOrder.Columns[3].Width = 100;
return(true);
}
else
{
dgrdvOrder.DataSource = null;
return(false);
}
}
void RefreshBasketData()
{
string sqlStr = "select tbl_Stocks.warehouseID, tbl_Book.bookID, tbl_Book.title, tbl_Book.retailPrice, tbl_ShoppingBasket.basketNumber, " +
" tbl_Book.discountRate, tbl_Stocks.leftAmount, tbl_ShoppingBasket.basketStatus " +
" from tbl_Book, tbl_ShoppingBasket, tbl_Stocks where tbl_Book.bookID = tbl_ShoppingBasket.bookID and " +
" tbl_Stocks.warehouseID = tbl_ShoppingBasket.warehouseID and " +
" tbl_Stocks.bookID = tbl_Book.bookID and tbl_ShoppingBasket.customerEmail = '" +
CPublic.userInfo[0] + "'";
DataSet ds = new DataSet();
ds = CDataBase.GetDataFromDB(sqlStr);
if (ds != null)
{
dgrdvBasket.DataSource = ds.Tables[0];
dgrdvBasket.Columns[0].HeaderText = "仓库编号";
dgrdvBasket.Columns[0].Width = 100;
dgrdvBasket.Columns[1].HeaderText = "书籍编号";
dgrdvBasket.Columns[1].Width = 100;
dgrdvBasket.Columns[2].HeaderText = "书名";
dgrdvBasket.Columns[2].Width = 80;
dgrdvBasket.Columns[3].HeaderText = "单价";
dgrdvBasket.Columns[3].Width = 60;
dgrdvBasket.Columns[4].HeaderText = "数量";
dgrdvBasket.Columns[4].Width = 60;
dgrdvBasket.Columns[5].HeaderText = "折扣信息";
dgrdvBasket.Columns[5].Width = 80;
dgrdvBasket.Columns[6].HeaderText = "库存量";
dgrdvBasket.Columns[6].Width = 80;
dgrdvBasket.Columns[7].HeaderText = "状态";
dgrdvBasket.Columns[7].Width = 60;
}
else
{
dgrdvBasket.DataSource = null;
}
}
bool RefreshData(string sqlStr)
{
DataSet ds = new DataSet();
ds = CDataBase.GetDataFromDB(sqlStr);
if (ds != null)
{
dgrdvWarehouse.DataSource = ds.Tables[0];
dgrdvWarehouse.Columns[0].HeaderText = "仓库编号";
dgrdvWarehouse.Columns[0].Width = 82;
dgrdvWarehouse.Columns[1].HeaderText = "所在城市";
dgrdvWarehouse.Columns[1].Width = 80;
dgrdvWarehouse.Columns[2].HeaderText = "联系电话";
dgrdvWarehouse.Columns[2].Width = 100;
dgrdvWarehouse.Columns[3].HeaderText = "每月租金";
dgrdvWarehouse.Columns[3].Width = 80;
return(true);
}
else
{
dgrdvWarehouse.DataSource = null;
return(false);
}
}
private void btnReturn_Click(object sender, EventArgs e)
{
try
{
int n = dgrdvImportList.CurrentCell.RowIndex;
string warehouseID = dgrdvImportList[0, n].Value.ToString().Trim();
string bookID = dgrdvImportList[2, n].Value.ToString().Trim();
string generateDate = dgrdvImportList[7, n].Value.ToString().Trim();
if (MessageBox.Show("确定要退货吗？", "退货",
MessageBoxButtons.YesNo, MessageBoxIcon.Question,
MessageBoxDefaultButton.Button2) == DialogResult.Yes)
{
string sqlStr = "update tbl_ImportList set status = '已退货' where warehouseID='" + warehouseID +
"' and bookID='" + bookID + "' and generateDateTime='" + generateDate + "'";
CDataBase.UpdateDB(sqlStr);
RefreshImportData();
}
}
catch (Exception ex)
{
CDataBase.conn.Close();
MessageBox.Show(ex.Message);
}
}
private void btnOK_Click(object sender, EventArgs e)
{
try
{
if (txtBookID.Text.Trim() == "")
{
MessageBox.Show("书籍编号不能为空!", "提示");
txtBookID.Focus();
return;
}
else if (txtISBN.Text.Trim() == "")
{
MessageBox.Show("ISBN不能为空!", "提示");
txtISBN.Focus();
return;
}
else if (txtTitle.Text.Trim() == "")
{
MessageBox.Show("书名不能为空!", "提示");
txtTitle.Focus();
return;
}
else if (txtAuthor.Text == "")
{
MessageBox.Show("作者不能为空!", "提示");
txtAuthor.Focus();
return;
}
else if (txtPublisher.Text.Trim() == "")
{
MessageBox.Show("出版社不能为空!", "提示");
txtPublisher.Focus();
return;
}
else if (txtYear.Text.Trim() == "")
{
MessageBox.Show("出版年份不能为空!", "提示");
txtYear.Focus();
return;
}
else if (txtImport.Text.Trim() == "")
{
MessageBox.Show("进货价不能为空!", "提示");
txtImport.Focus();
return;
}
else if (Convert.ToDouble(txtImport.Text.Trim()) < 0)
{
MessageBox.Show("进货价不能小于零", "提示");
txtImport.Focus();
return;
}
else if (txtImportNumber.Text.Trim() == "")
{
MessageBox.Show("进货数量不能为空!", "提示");
txtImportNumber.Focus();
return;
}
else if (Convert.ToInt32(txtImportNumber.Text.Trim()) < 0)
{
MessageBox.Show("进货数量不能小于零!", "提示");
txtImportNumber.Focus();
return;
}
else if (cmbWarehouse.Text.Trim() == "")
{
MessageBox.Show("进货仓库不能为空!", "提示");
cmbWarehouse.Focus();
return;
}
else if (txtRetail.Text.Trim() == "")
{
MessageBox.Show("零售价不能为空!", "提示");
txtRetail.Focus();
return;
}
else if (Convert.ToDouble(txtRetail.Text.Trim()) < 0)
{
MessageBox.Show("零售价不能小于零!", "提示");
txtRetail.Focus();
return;
}
else if (txtDiscount.Text.Trim() == "")
{
MessageBox.Show("折扣信息不能为空!", "提示");
txtDiscount.Focus();
return;
}
else if (Convert.ToDouble(txtDiscount.Text.Trim()) < 0 || Convert.ToDouble(txtDiscount.Text.Trim()) > 1)
{
MessageBox.Show("折扣信息不符合要求", "提示");
txtDiscount.Focus();
return;
}
else if (!No(txtBookID.Text.Trim()))
{
MessageBox.Show("该书已存在!", "提示");
ClearAll();
return;
}
double retail = Convert.ToDouble(txtRetail.Text.Trim());
double import = Convert.ToDouble(txtImport.Text.Trim());
int importNumber = Convert.ToInt32(txtImportNumber.Text.Trim());
double discount = Convert.ToDouble(txtDiscount.Text.Trim());
string sqlStr1 = "insert into tbl_Book values('" + txtBookID.Text.Trim() + "','"
+ txtISBN.Text.Trim() + "','" + txtTitle.Text.Trim() + "','" + txtAuthor.Text.Trim() + "','"
+ txtPublisher.Text.Trim() + "','" + txtYear.Text.Trim() + "','" + txtRetail.Text.Trim() + "','"
+ txtImport.Text.Trim() + "', " + (retail - import) + " , " + (retail - import) / import + " , " + discount + " )";
DateTime dt = System.DateTime.Now;
string generateDateTime = dt.ToString().Trim();
string sqlStr2 = "insert into tbl_ImportList values('" + cmbWarehouse.SelectedItem.ToString().Trim() + "','" +
txtBookID.Text.Trim() + "', '" + generateDateTime + "' , " + import + " , " +
importNumber + " , '未付款')";
string sqlStr3 = "insert into tbl_Stocks values('" + cmbWarehouse.SelectedItem.ToString().Trim() + "','" +
txtBookID.Text.Trim() + "', 0 , 0 , 10)";
if (CDataBase.UpdateDB(sqlStr1) && CDataBase.UpdateDB(sqlStr2) && CDataBase.UpdateDB(sqlStr3))
{
MessageBox.Show("添加新书成功!", "恭喜");
}
ClearAll();
}
catch (Exception ex)
{
CDataBase.conn.Close();
MessageBox.Show(ex.Message);
ClearAll();
}
}
private void btnAdd_Click(object sender, EventArgs e)
{
try
{
if (btnAdd.Text.Trim() == "添加")
{
btnAdd.Text = "确定";
ObjAddOpen();
bool a = RefreshData("select * from tbl_Book");
ClearAll();
txtDiscount.Text = "%形式";
btnUpdate.Enabled = false;
btnDelete.Enabled = false;
cmbSelect.Enabled = false;
txtSelect.Enabled = false;
btnSelect.Enabled = false;
btnAll.Enabled = false;
btnUp.Enabled = false;
btnDown.Enabled = false;
dgrdvBook.Enabled = false;
return;
}
else if (txtBookID.Text.Trim() == "")
{
MessageBox.Show("书籍编号不能为空!", "提示");
txtBookID.Focus();
return;
}
else if (txtISBN.Text.Trim() == "")
{
MessageBox.Show("ISBN不能为空!", "提示");
txtISBN.Focus();
return;
}
else if (txtTitle.Text.Trim() == "")
{
MessageBox.Show("书名不能为空!", "提示");
txtTitle.Focus();
return;
}
else if (txtAuthor.Text == "")
{
MessageBox.Show("作者不能为空!", "提示");
txtAuthor.Focus();
return;
}
else if (txtPublisher.Text.Trim() == "")
{
MessageBox.Show("出版社不能为空!", "提示");
txtPublisher.Focus();
return;
}
else if (txtYear.Text.Trim() == "")
{
MessageBox.Show("出版年份不能为空!", "提示");
txtYear.Focus();
return;
}
else if (txtRetail.Text.Trim() == "")
{
MessageBox.Show("零售价不能为空!", "提示");
txtRetail.Focus();
return;
}
else if (txtImport.Text.Trim() == "")
{
MessageBox.Show("进货价不能为空!", "提示");
txtImport.Focus();
return;
}
else if (txtDiscount.Text.Trim() == "")
{
MessageBox.Show("折扣信息不能为空!", "提示");
txtDiscount.Focus();
return;
}
else if (!No(txtBookID.Text.Trim()))
{
MessageBox.Show("该书已存在!", "提示");
ClearAll();
return;
}
btnAdd.Text = "添加";
double retail = Convert.ToDouble(txtRetail.Text.Trim());
double import = Convert.ToDouble(txtImport.Text.Trim());
string sqlStr = "insert into tbl_Book values('" + txtBookID.Text.Trim() + "','"
+ txtISBN.Text.Trim() + "','" + txtTitle.Text.Trim() + "','" + txtAuthor.Text.Trim() + "','"
+ txtPublisher.Text.Trim() + "','" + txtYear.Text.Trim() + "','" + txtRetail.Text.Trim() + "','"
+ txtImport.Text.Trim() + "', " + (retail - import) + " , " + ((retail - import) / import)
+ " , '" + TDouble(txtDiscount.Text.Trim()) + "')";
CDataBase.UpdateDB(sqlStr);
bool b = RefreshData("select * from tbl_Book");
if (MessageBox.Show("添加成功!继续添加吗?", "添加书籍", MessageBoxButtons.YesNo,
MessageBoxIcon.Question, MessageBoxDefaultButton.Button1) == DialogResult.Yes)
{
ClearAll();
ObjAddOpen();
btnAdd.Text = "确定";
}
else
{
ObjClose();
btnUpdate.Enabled = true;
btnDelete.Enabled = true;
btnClose.Enabled = true;
cmbSelect.Enabled = true;
txtSelect.Enabled = true;
btnSelect.Enabled = true;
btnAll.Enabled = true;
dgrdvBook.Enabled = true;
}
}
catch (Exception ex)
{
CDataBase.conn.Close();
MessageBox.Show(ex.Message);
ClearAll();
ObjClose();
btnUpdate.Enabled = true;
btnDelete.Enabled = true;
btnClose.Enabled = true;
cmbSelect.Enabled = true;
txtSelect.Enabled = true;
btnSelect.Enabled = true;
btnAll.Enabled = true;
dgrdvBook.Enabled = true;
dgrdvBook_RowHeaderMouseClick(null, null);
}
}