private void BT_write_Click(object sender, EventArgs e)
{
try
{
//constraints according the student class structure
if (TB_StudID.Text.ToString().Length > 4 || TB_StudID.Text.ToString().Length < 1)
{
throw new Exception("ID length must be 1-4 letters/digits");
}
if (TB_RegNR.Text.ToString().Length > 2 || TB_RegNR.Text.ToString().Length < 1)
{
throw new Exception("Registration Number length must be one or two letters/digits");
}
//chooses the right struct- int key or string key
if (isint(TB_StudID.Text) == true)
{
StudCourseI SC = new StudCourseI();
SC.StudID = int.Parse(TB_StudID.Text);
SC.RegNr = int.Parse(TB_RegNR.Text);
SC.Key = SC.StudID * (int)(Math.Pow(10.0, SC.DigitCount(SC.RegNr))) + SC.RegNr;
SC.FirstName = TB_FN.Text;
SC.FamilyName = TB_LN.Text;
SC.CourseName = TB_C.Text;
SC.Grade = (TB_G.Text);
HashFileStat.HFStatic.Write(SC.Key, SC);
MessageBox.Show("Record was written succefully!", "Message");
Close();
}
else
{
StudCourseC SC = new StudCourseC();
SC.StudID = int.Parse(TB_StudID.Text);
SC.RegNr = int.Parse(TB_RegNR.Text);
SC.Key = TB_StudID.Text + TB_RegNR.Text;
SC.FirstName = TB_FN.Text;
SC.FamilyName = TB_LN.Text;
SC.CourseName = TB_C.Text;
SC.Grade = (TB_G.Text);
HashFileStat.HFStatic.Write(SC.Key, SC);
MessageBox.Show("Record was written succefully!", "Message");
Close();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void BT_key_Click(object sender, EventArgs e)
{
if (ReedToUpdate.Checked == true)
{
if (did == false)
{
this.Height += 200;
did = true;
}
try
{
TB_c.Enabled = false; TB_gr.Enabled = false; TB_rnr.Enabled = false;
TB_sid.Enabled = false; TB_stun.Enabled = false;
//chooses the right struct- int key or string key
if (isint(TB_key.Text) == true)
{
if (isint(TB_key.Text))
{
StudupdateI SC = new StudupdateI();
HashFileStat.HFStatic.Read(int.Parse(TB_key.Text), SC, 0);
SC.StudID = int.Parse(TB_sid.Text);
SC.RegNr = int.Parse(TB_rnr.Text);
SC.Key = SC.StudID * (int)(Math.Pow(10.0, SC.DigitCount(SC.RegNr))) + SC.RegNr;
SC.Name = TB_stun.Text;
SC.CourseName = TB_c.Text;
SC.Grade = TB_gr.Text;
HashFileStat.HFStatic.Update(SC);
MessageBox.Show("The record updated successfully! ", "Info", MessageBoxButtons.OK, MessageBoxIcon.Information);
Close();
}
else
{
StudupdateC SC = new StudupdateC();
HashFileStat.HFStatic.Read(int.Parse(TB_key.Text), SC, 0);
SC.StudID = int.Parse(TB_sid.Text);
SC.RegNr = int.Parse(TB_rnr.Text);
SC.Key = TB_sid.Text + TB_rnr.Text;
SC.Name = TB_stun.Text;
SC.CourseName = TB_c.Text;
SC.Grade = TB_gr.Text;
HashFileStat.HFStatic.Update(SC);
MessageBox.Show("The record updated successfully! ", "Info", MessageBoxButtons.OK, MessageBoxIcon.Information);
Close();
}
}
}
catch (System.Exception ex)
{
MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else
{
if (did == false)
{
this.Height += 200;
did = true;
}
try
{
if (TB_key.Text == "")
{
throw new Exception("הכנס מפתח!");
}
TB_c.Enabled = false; TB_gr.Enabled = false; TB_rnr.Enabled = false;
TB_sid.Enabled = false; TB_stun.Enabled = false;
//chooses the right struct- int key or string key
if (isint(TB_key.Text))
{
StudCourseI SC = new StudCourseI();
HashFileStat.HFStatic.Read(int.Parse(TB_key.Text), SC, 0);
TB_sid.Text = SC.StudID.ToString();
TB_rnr.Text = SC.RegNr.ToString();
TB_stun.Text = SC.FirstName + " " + SC.FamilyName;
TB_c.Text = SC.CourseName;
TB_gr.Text = SC.Grade.ToString();
}
else
{
StudCourseC SC = new StudCourseC();
HashFileStat.HFStatic.Read(int.Parse(TB_key.Text), SC, 0);
TB_sid.Text = SC.StudID.ToString();
TB_rnr.Text = SC.RegNr.ToString();
TB_stun.Text = SC.FirstName + " " + SC.FamilyName;
TB_c.Text = SC.CourseName;
TB_gr.Text = SC.Grade.ToString();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}