private void ADD_Click(object sender, EventArgs e)
{
try
{
if (FirstName.Text != "" && Email.Text != "" && RegistrationNumber.Text != "")
{
StudentClass Stu = new StudentClass();
int temp = 0;
if (IsValidEmail(Email.Text) == false)
{
Email.Text = " ";
MessageBox.Show("please enter Valid Email Address");
Email_TextChanged(sender, e);
}
if (Contact.Text.Length > 11 || Contact.Text.Length < 9)
{
Contact.Text = " ";
MessageBox.Show("Please enter valid Contact Number");
Contact_TextChanged(sender, e);
}
else
{
if (Active.Checked == true)
{
temp = 5;
}
if (InActive.Checked == true)
{
temp = 6;
}
if (Stu.Check(RegistrationNumber.Text.Trim()))
{
Stu.ADD_student(FirstName.Text.Trim(), LastName.Text.Trim(), Contact.Text.Trim(), Email.Text.Trim(), RegistrationNumber.Text.Trim(), temp);
FirstName.Text = " ";
LastName.Text = " ";
Contact.Text = " ";
Email.Text = " ";
RegistrationNumber.Text = " ";
StudentForm_Load(sender, e);
MessageBox.Show("Data inserted Successfully");
}
else
{
MessageBox.Show("This registration Number already Exit");
RegistrationNumber.Text = " ";
RegistrationNumber_TextChanged(sender, e);
}
}
}
else
{
MessageBox.Show("FirstName ,Email,RegistrationNumber,Status are required fields.please fill these fields");
}
}
catch (Exception ex)
{
MessageBox.Show("Data Can't be added,please fill valid and new data");
return;
}
}
/// <summary>
/// This function insert the student record in the StudentRecordList
/// </summary>
/// <param name="query">Query to retrieve the data from database</param>
public void Show_Record(string query)
{
try
{
SqlCommand command = new SqlCommand(query, conn);
conn.Open();
SqlDataReader reader;
reader = command.ExecuteReader();
if (reader.HasRows)
{
ListofClasses Lt1 = new ListofClasses();
Lt1.StudentList.Clear();
while (reader.Read())
{
StudentClass st1 = new StudentClass();
st1.Id1 = Convert.ToInt32(reader[0]);
st1.FirstName = reader[1].ToString();
st1.LastName = reader[2].ToString();
st1.Contact = reader[3].ToString();
st1.Email = reader[4].ToString();
st1.RegistrationNumber = reader[5].ToString();
st1.Status = Convert.ToInt32(reader[6]);
Lt1.addIntolist(st1);
}
}
}
catch (Exception ex)
{
throw (ex);
}
finally
{
conn.Close();
}
}
private void StudentForm_Load(object sender, EventArgs e)
{
StudentClass st1 = new StudentClass();
ListofClasses lt1 = new ListofClasses();
st1.StudentRecord();
StudentRecord.DataSource = null;
StudentRecord.DataSource = lt1.StudentList;
}
private void StudentRecord_CellContentClick(object sender, DataGridViewCellEventArgs e)
{
StudentClass sc = new StudentClass();
ListofClasses lt = new ListofClasses();
int index = StudentRecord.CurrentCell.RowIndex;
DataGridViewRow r = StudentRecord.Rows[index];
int id = Convert.ToInt32(r.Cells[0].Value);
if (StudentRecord.Columns[e.ColumnIndex].Name == "Delete")
{
DialogResult result = MessageBox.Show("Do You Want to delete adainst id ?" + id, "Delete", MessageBoxButtons.OKCancel, MessageBoxIcon.Information);
if (result.Equals(DialogResult.OK))
{
sc.Delete(id);
StudentRecord.DataSource = null;
StudentForm_Load(sender, e);
}
else
{
return;
}
}
if (StudentRecord.Columns[e.ColumnIndex].Name == "Edit")
{
FirstName.Text = r.Cells[1].Value.ToString();
LastName.Text = r.Cells[2].Value.ToString();
Contact.Text = r.Cells[3].Value.ToString();
Email.Text = r.Cells[4].Value.ToString();
RegistrationNumber.Text = r.Cells[5].Value.ToString();
int temp = Convert.ToInt32(r.Cells[6].Value);
if (temp == 5)
{
Active.Checked = true;
}
if (temp == 6)
{
InActive.Checked = true;
}
globalindex = id;
}
}
private void Save_Click(object sender, EventArgs e)
{
try
{
int temp = 0;
StudentClass Stu = new StudentClass();
if (IsValidEmail(Email.Text) == false)
{
MessageBox.Show("input should be in email format");
Email.Text = " ";
Email_TextChanged(sender, e);
}
else
{
if (Active.Checked == true)
{
temp = 5;
}
if (InActive.Checked == true)
{
temp = 6;
}
Stu.Edit(globalindex, FirstName.Text, LastName.Text, Contact.Text, Email.Text, RegistrationNumber.Text, temp);
FirstName.Text = " ";
LastName.Text = " ";
Contact.Text = " ";
Email.Text = " ";
RegistrationNumber.Text = " ";
StudentRecord.DataSource = null;
StudentForm_Load(sender, e);
}
}catch (Exception ex)
{
MessageBox.Show("Data can,t Update,please enter valid data");
return;
}
}
/// <summary>
/// this function used to add student in the studentList
/// </summary>
/// <param name="st">student of type StudentClass</param>
public void addIntolist(StudentClass st)
{
studentList.Add(st);
}