public Message Save(Student newStudent)
{
Message message = new Message();
bool isStudentExists = IsStudentExists(newStudent);
if (isStudentExists)
{
message.Status = "warning";
message.Details = "Registration Number is already exists.";
return message;
}
int totalRowsAffected = aStudentGateway.AddStudent(newStudent);
if (totalRowsAffected > 0)
{
message.Status = "success";
message.Details = "Data Saved Successfully";
}
else
{
message.Status = "error";
message.Details = "Operation Failed.";
}
return message;
}
public Message Update(Student aStudent)
{
Message message = new Message();
int totalRowsAffected = aStudentGateway.UpdateStudent(aStudent);
if (totalRowsAffected > 0)
{
message.Status = "success";
message.Details = "Data Successfully Updated";
}
else
{
message.Status = "error";
message.Details = "Operation Failed.";
}
return message;
}
protected void saveButton_Click(object sender, EventArgs e)
{
string regNo = regNoTextBox.Text;
string name = nameTextBox.Text;
string phone = phoneTextBox.Text;
string address = addressTextBox.Text;
int departmentId = Convert.ToInt32(departmentDropDown.SelectedValue);
Message message = new Message();
if (saveButton.Text == "Save")
{
Student aStudent = new Student(regNo, name, phone, address);
aStudent.DepartmentId = departmentId;
message = studentManager.Save(aStudent);
}
else if (saveButton.Text == "Update")
{
int id = Convert.ToInt32(pkHiddenField.Value);
Student aStudent = new Student(id, regNo, name, phone, address);
aStudent.DepartmentId = departmentId;
message = studentManager.Update(aStudent);
saveButton.Text = "Save";
regNoTextBox.Enabled = true;
}
else if (saveButton.Text == "Delete")
{
int id = Convert.ToInt32(pkHiddenField.Value);
message = studentManager.Delete(id);
regNoTextBox.Enabled = true;
nameTextBox.Enabled = true;
phoneTextBox.Enabled = true;
addressTextBox.Enabled = true;
saveButton.Text = "Save";
}
messageLabel.Text = message.Details;
ClearTextFields();
LoadStudentList();
}
