private void btnSignup_Click(object sender, EventArgs e)
{
if (txtCourseId.Text == "")
return;
int costTimes;
try
{
costTimes = int.Parse(txtSignupTimes.Text);
if (costTimes <= 0)
{
throw new ArgumentException();
}
}
catch (Exception)
{
MessageBox.Show("请输入要报名的时长（必须为正整数）", "报名时长不合法", MessageBoxButtons.OK,
MessageBoxIcon.Warning);
txtSignupTimes.Focus();
return;
}
int balance;
int cost;
try
{
balance = int.Parse(txtBalance.Text);
cost = int.Parse(txtCost.Text) * costTimes;
if (balance < cost)
{
MessageBox.Show("余额不足，请充值或减少所要报名的时长", "余额不足", MessageBoxButtons.OK,
MessageBoxIcon.Warning);
return;
}
}
catch (Exception)
{
return;
}
ConfirmSignUpCoursesForm frmConfirmSignUpCourses = new ConfirmSignUpCoursesForm();
if (dgvPreregStudents.SelectedRows.Count <= 0)
return;
DataGridViewRow row = dgvPreregStudents.SelectedRows[0];
frmConfirmSignUpCourses.CourseType = lstCourseType.Text;
frmConfirmSignUpCourses.CourseSubType = lstCourseSubtypes.Text;
frmConfirmSignUpCourses.CourseName = txtCourseName.Text;
frmConfirmSignUpCourses.CurrentDate = txtCurrentDate.Text;
frmConfirmSignUpCourses.ExpireDate = txtExpireDate.Text;
frmConfirmSignUpCourses.SignUpPeriod = txtSignupTimes.Text + "个" + lblCostType.Text;
frmConfirmSignUpCourses.TotalCost = txtTotalCost.Text;
frmConfirmSignUpCourses.StudentName = row.Cells["NameColumn"].Value.ToString();
frmConfirmSignUpCourses.StudentSex = row.Cells["SexColumn"].Value.ToString();
frmConfirmSignUpCourses.StudentBirthday = row.Cells["BirthdayColumn"].Value.ToString();
frmConfirmSignUpCourses.StudentAddress = row.Cells["AddressColumn"].Value.ToString();
frmConfirmSignUpCourses.StudentPhone = row.Cells["TelephoneColumn"].Value.ToString();
frmConfirmSignUpCourses.StudentFartherName = row.Cells["FartherNameColumn"].Value.ToString();
frmConfirmSignUpCourses.StudentFartherPhone = row.Cells["FartherTelColumn"].Value.ToString();
frmConfirmSignUpCourses.StudentFartherWork = row.Cells["FartherWorkColumn"].Value.ToString();
frmConfirmSignUpCourses.StudentMotherName = row.Cells["MotherNameColumn"].Value.ToString();
frmConfirmSignUpCourses.StudentMotherPhone = row.Cells["MotherTelColumn"].Value.ToString();
frmConfirmSignUpCourses.StudentMotherWork = row.Cells["MotherWorkColumn"].Value.ToString();
frmConfirmSignUpCourses.Text = "确认要为“" + txtName.Text + "”报名" + txtSignupTimes.Text
+ "个" + lblCostType.Text + "的“" + txtCourseName.Text + "”课程吗？ 共需花费" + cost + "元。";
if (frmConfirmSignUpCourses.ShowDialog() != DialogResult.OK)
return;
// 报名：
// 1> 扣钱
balance -= cost;
studentsPreregTableAdapter.UpdateBalance(balance, txtID.Text);
txtBalance.Text = balance.ToString();
if (dgvPreregStudents.SelectedRows.Count > 0)
{
row.Cells["BalanceColumn"].Value = txtBalance.Text;
}
// 2> 添加报名信息
studentCoursesTableAdapter.Insert(int.Parse(txtID.Text), int.Parse(txtCourseId.Text), DateTime.Parse(txtExpireDate.Text));
// 3> 更新状态，报名成功
studentsPreregTableAdapter.UpdateStatus(1, int.Parse(txtID.Text));
MessageBox.Show("报名成功！", "报名成功", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
private void btnSignup_Click(object sender, EventArgs e)
{
if (txtCourseId.Text == "")
return;
int balance;
int actualCost;
try
{
balance = int.Parse(txtBalance.Text);
actualCost = int.Parse(txtActualCostAmount.Text);
if (balance < actualCost)
{
MessageBox.Show("余额不足，请充值或减少所要报名的时长", "余额不足，无法报名", MessageBoxButtons.OK,
MessageBoxIcon.Warning);
return;
}
}
catch (Exception)
{
return;
}
ConfirmSignUpCoursesForm frmConfirmSignUpCourses = new ConfirmSignUpCoursesForm();
if (dgvPreregStudents.SelectedRows.Count <= 0)
return;
DataGridViewRow row = dgvPreregStudents.SelectedRows[0];
frmConfirmSignUpCourses.CourseType = lstCourseType.Text;
frmConfirmSignUpCourses.CourseSubType = lstCourseSubtypes.Text;
frmConfirmSignUpCourses.CourseName = txtCourseName.Text;
frmConfirmSignUpCourses.CurrentDate = dtCurrentDate.Value.ToString();
if (txtExpireDate.Visible == true)
frmConfirmSignUpCourses.ExpireDate = txtExpireDate.Text;
else
frmConfirmSignUpCourses.ExpireDate = dtExpireDate.Text;
frmConfirmSignUpCourses.SignUpPeriod = txtSignupTimes.Text + "个" + lblCostType.Text;
frmConfirmSignUpCourses.TotalCost = txtTotalCost.Text;
frmConfirmSignUpCourses.Discount = cmbDiscount.Text;
frmConfirmSignUpCourses.DiscountReason = txtDiscountReason.Text;
frmConfirmSignUpCourses.ActualCostAmount = txtActualCostAmount.Text;
frmConfirmSignUpCourses.StudentName = row.Cells["NameColumn"].Value.ToString();
frmConfirmSignUpCourses.StudentSex = row.Cells["SexColumn"].Value.ToString();
frmConfirmSignUpCourses.StudentBirthday = row.Cells["BirthdayColumn"].Value.ToString();
frmConfirmSignUpCourses.StudentAddress = row.Cells["AddressColumn"].Value.ToString();
frmConfirmSignUpCourses.StudentPhone = row.Cells["TelephoneColumn"].Value.ToString();
frmConfirmSignUpCourses.StudentFartherName = row.Cells["FartherNameColumn"].Value.ToString();
frmConfirmSignUpCourses.StudentFartherPhone = row.Cells["FartherTelColumn"].Value.ToString();
frmConfirmSignUpCourses.StudentFartherWork = row.Cells["FartherWorkColumn"].Value.ToString();
frmConfirmSignUpCourses.StudentMotherName = row.Cells["MotherNameColumn"].Value.ToString();
frmConfirmSignUpCourses.StudentMotherPhone = row.Cells["MotherTelColumn"].Value.ToString();
frmConfirmSignUpCourses.StudentMotherWork = row.Cells["MotherWorkColumn"].Value.ToString();
frmConfirmSignUpCourses.Text = "确认要为“" + txtName.Text + "”报名" + txtSignupTimes.Text
+ "个" + lblCostType.Text + "的“" + txtCourseName.Text + "”课程吗？ 共需花费" + actualCost + "元。";
if (frmConfirmSignUpCourses.ShowDialog() != DialogResult.OK)
return;
// 报名：
// 1> 扣钱:
// 1.1> 更新balance
balance -= actualCost;
studentsPreregTableAdapter.UpdateBalance(balance, txtID.Text);
txtBalance.Text = balance.ToString();
if (dgvPreregStudents.SelectedRows.Count > 0)
{
row.Cells["BalanceColumn"].Value = txtBalance.Text;
}
// 1.2> 添加扣钱记录
studentCostTableAdapter.Insert(int.Parse(txtID.Text), int.Parse(txtCourseId.Text), int.Parse(txtCost.Text), dtCurrentDate.Value,
int.Parse(cmbDiscount.SelectedValue.ToString()), int.Parse(txtActualCostAmount.Text), txtDiscountReason.Text, User.CurrentUser.UserName);
// 2> 添加报名信息
DateTime expireDate;
if (txtExpireDate.Visible == true)
expireDate = DateTime.Parse(txtExpireDate.Text);
else
expireDate = dtExpireDate.Value;
studentCoursesTableAdapter.Insert(int.Parse(txtID.Text), int.Parse(txtCourseId.Text), expireDate, int.Parse(txtTotalCost.Text), int.Parse(txtSignupTimes.Text));
// 3> 更新学生的学费过期时间
studentsPreregTableAdapter.UpdateExpireTime(expireDate, int.Parse(txtID.Text));
// 4> 更新状态，报名成功
studentsPreregTableAdapter.UpdateStatus(1, int.Parse(txtID.Text));
MessageBox.Show("报名成功！", "报名课程成功", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
private void btnSignUpCourses_Click(object sender, EventArgs e)
{
if (dgvStudents.SelectedRows.Count <= 0)
return;
int rowIndex = dgvStudents.CurrentRow.Index;
DataGridViewRow row = dgvStudents.SelectedRows[0];
CourseSignUpForm frmCourseSignUp = new CourseSignUpForm();
frmCourseSignUp.CardNo = txtCardNo.Text;
frmCourseSignUp.StudentName = txtName.Text;
frmCourseSignUp.Balance = txtBalance.Text;
frmCourseSignUp.row = row;
if (frmCourseSignUp.ShowDialog() != DialogResult.OK)
return;
ConfirmSignUpCoursesForm frmConfirmSignUpCourses = new ConfirmSignUpCoursesForm();
frmConfirmSignUpCourses.CourseType = frmCourseSignUp.CourseType;
frmConfirmSignUpCourses.CourseSubType = frmCourseSignUp.CourseSubType;
frmConfirmSignUpCourses.CourseName = frmCourseSignUp.CourseName;
frmConfirmSignUpCourses.CurrentDate = DateTime.Now.ToLongDateString();
frmConfirmSignUpCourses.ExpireDate = frmCourseSignUp.ExpireDate;
frmConfirmSignUpCourses.SignUpPeriod = frmCourseSignUp.SignUpPeriod;
frmConfirmSignUpCourses.TotalCost = frmCourseSignUp.TotalCost;
frmConfirmSignUpCourses.Discount = frmCourseSignUp.Discount;
frmConfirmSignUpCourses.DiscountReason = frmCourseSignUp.DiscountReason;
frmConfirmSignUpCourses.ActualCostAmount = frmCourseSignUp.ActualCostAmount;
frmConfirmSignUpCourses.StudentName = row.Cells["NameColumn"].Value.ToString();
frmConfirmSignUpCourses.StudentSex = row.Cells["SexColumn"].Value.ToString();
frmConfirmSignUpCourses.StudentBirthday = row.Cells["BirthdayColumn"].Value.ToString();
frmConfirmSignUpCourses.StudentAddress = row.Cells["AddressColumn"].Value.ToString();
frmConfirmSignUpCourses.StudentPhone = row.Cells["PhoneColumn"].Value.ToString();
frmConfirmSignUpCourses.StudentFartherName = row.Cells["FartherNameColumn"].Value.ToString();
frmConfirmSignUpCourses.StudentFartherPhone = row.Cells["FartherTelColumn"].Value.ToString();
frmConfirmSignUpCourses.StudentFartherWork = row.Cells["FartherWorkColumn"].Value.ToString();
frmConfirmSignUpCourses.StudentMotherName = row.Cells["MotherNameColumn"].Value.ToString();
frmConfirmSignUpCourses.StudentMotherPhone = row.Cells["MotherTelColumn"].Value.ToString();
frmConfirmSignUpCourses.StudentMotherWork = row.Cells["MotherWorkColumn"].Value.ToString();
if (frmConfirmSignUpCourses.ShowDialog() != DialogResult.OK)
return;
// 报名：
// 1> 扣钱:
// 1.1> 更新balance
frmCourseSignUp.Balance = txtBalance.Text;
int balance = int.Parse(frmCourseSignUp.Balance);
int actualCost = int.Parse(frmCourseSignUp.ActualCostAmount);
balance -= actualCost;
studentsTableAdapter.UpdateBalance(balance, int.Parse(txtID.Text));
txtBalance.Text = balance.ToString();
// 1.2> 添加扣钱记录
studentCostTableAdapter1.InsertCostWithExpireTime(int.Parse(txtID.Text), frmCourseSignUp.CourseId,
int.Parse(frmCourseSignUp.TotalCost), DateTime.Now,
frmCourseSignUp.DiscountLevel,
int.Parse(frmCourseSignUp.ActualCostAmount), frmCourseSignUp.DiscountReason, User.CurrentUser.UserName, DateTime.Parse(frmCourseSignUp.ExpireDate));
// 2> 添加报名信息
DateTime expireDate = DateTime.Parse(frmCourseSignUp.ExpireDate);
studentCoursesTableAdapter.InsertStudentCourse(int.Parse(txtID.Text), frmCourseSignUp.CourseId,
expireDate, int.Parse(frmCourseSignUp.TotalCost), int.Parse(frmCourseSignUp.SignUpTime));
// 3> 更新学生的学费过期时间，看哪个过期时间更近
studentsTableAdapter.UpdateExpireTime(expireDate, int.Parse(txtID.Text));
MessageBox.Show("报名成功！", "报名课程成功", MessageBoxButtons.OK, MessageBoxIcon.Information);
if (this.UserType == 0)
{
// 只加载被授权的学生
this.studentsTableAdapter.FillByUserName(this.studentsDataSet.Students, this.UserName);
}
else
{
// 加载所有的学生
this.studentsTableAdapter.FillByStatus(this.studentsDataSet.Students);
}
if (rowIndex >= 0)
{
this.dgvStudents.Rows[rowIndex].Selected = true;
this.dgvStudents.CurrentCell = this.dgvStudents.Rows[rowIndex].Cells[0];
}
}