protected void Button2_Click(object sender, EventArgs e)
{
try
{
EMPDATA E = new EMPDATA();
E.EMPNO = int.Parse(txteno.Text);
E.ENAME = txtname.Text;
E.JOB = txtjob.Text;
E.MGR = int.Parse(txtmid.Text);
E.HIREDATE = DateTime.Parse(txtdate.Text);
E.SAL = int.Parse(txtsal.Text);
E.COMM = int.Parse(txtcom.Text);
E.DEPTNO = int.Parse(txtdno.Text);
D.EMPDATAs.Add(E);
D.SaveChanges();
}
catch (DbUpdateException EX)
{
SqlException ex = EX.GetBaseException() as SqlException;
if (ex.Message.Contains("EMP_PK"))
{
Label1.Text = "no duplicate empno";
}
else if (ex.Message.Contains("FK__Empdept"))
{
Label1.Text = "no dept no";
}
else
{
Label1.Text = ex.Message;
}
}
}
protected void Button1_Click(object sender, EventArgs e)
{
int eno = int.Parse(Texteno.Text);
var E = from E1 in D.EMPDATAs
where E1.EMPNO == eno
select E1;
EMPDATA emp = E.First();
D.EMPDATAs.Remove(emp);
D.SaveChanges();
}
protected void Button2_Click(object sender, EventArgs e)
{
int c = 0;
int eno = int.Parse(txteno.Text);
var E = from E1 in D.EMPDATAs
where E1.EMPNO == eno
select E1;
EMPDATA emp = E.First();
bool b = int.TryParse(txtcom.Text, out c);
emp.ENAME = txtname.Text;
emp.JOB = txtjob.Text;
emp.MGR = int.Parse(txtmid.Text);
emp.HIREDATE = DateTime.Parse(txtdate.Text);
emp.SAL = int.Parse(txtsal.Text);
if (c != 0)
{
emp.COMM = c;
}
emp.DEPTNO = int.Parse(txtdno.Text);
D.SaveChanges();
}