protected void Button2_Click(object sender, EventArgs e)
{
EMSEntities Context=new EMSEntities();
EntittyFramewordWebApplication4.StudentDetail stud1=new StudentDetail();
stud1.id = "67";
stud1.name = "ziauddin";
stud1.address = "chittagong";
stud1.marks = 88;
stud1.section = "C";
Context.StudentDetails.Add(stud1);
Context.SaveChanges();
Label1.Text = "added";
}
protected void Button2_Click(object sender, EventArgs e)
{
EMSEntities Context = new EMSEntities();
EntittyFramewordWebApplication4.StudentDetail stud1 = new StudentDetail();
stud1.id = "67";
stud1.name = "ziauddin";
stud1.address = "chittagong";
stud1.marks = 88;
stud1.section = "C";
Context.StudentDetails.Add(stud1);
Context.SaveChanges();
Label1.Text = "added";
}
protected void Button4_Click(object sender, EventArgs e)
{
EMSEntities dbcontext = new EMSEntities();
EntittyFramewordWebApplication4.StudentDetail stud1 = new StudentDetail();
try
{
string idd = TextBox2.Text;
stud1 = dbcontext.StudentDetails.FirstOrDefault(xx => xx.id == idd);
dbcontext.StudentDetails.Remove(stud1);
dbcontext.SaveChanges();
Label1.Text = "delated successfull";
}
catch (Exception e1)
{
Label1.Text = "not found";
}
}
protected void Button3_Click(object sender, EventArgs e)
{
EMSEntities dbcontext = new EMSEntities();
EntittyFramewordWebApplication4.StudentDetail stud1 = new StudentDetail();
try
{
string idd = TextBox2.Text;
stud1 = dbcontext.StudentDetails.FirstOrDefault(xx => xx.id == idd);
stud1.marks = int.Parse(TextBox6.Text);
stud1.section = TextBox5.Text;
dbcontext.SaveChanges();
Label1.Text = "updated successfull";
}
catch(Exception e1)
{
Label1.Text = "not found";
}
}