protected void Button5_Click(object sender, EventArgs e)
{
string id = TextBox2.Text;
EMSEntities dbcontext = new EMSEntities();
var stud = from dd in dbcontext.StudentDetails
where dd.id == id select dd;
bool flag = false;
foreach (var student in stud)
{
TextBox3.Text = student.name;
TextBox4.Text = student.address;
TextBox5.Text = student.section;
TextBox6.Text = student.marks.ToString();
flag = true;
}
if (flag == false)
{
Label1.Text = "not found";
}
else
{
Label1.Text = "found";
}
}
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 Button1_Click(object sender, EventArgs e)
{
int m = int.Parse(TextBox1.Text);
EMSEntities dbcontext = new EMSEntities();
var stud = from dd in dbcontext.StudentDetails
where
dd.marks > m && dd.section == "A"
select dd;
//string s = "Output";
DataTable dt = new DataTable();
dt.Columns.Add("id");
dt.Columns.Add("name");
dt.Columns.Add("address");
dt.Columns.Add("section");
dt.Columns.Add("marks");
foreach (var student in stud)
{
DataRow r = dt.NewRow();
r[0] = student.id;
r[1] = student.name;
r[2] = student.address;
r[3] = student.section;
r[4] = student.marks;
//r[0] = "id";
//r[1] = "name";
//r[2] = "address";
//r[3] = "section";
//r[4] = 4;
dt.Rows.Add(r);
//s = s + "ID:" + student.id;
//s = s + "name:" + student.name;
//s = s + "Section::" + student.section;
}
GridView1.DataSource = dt;
GridView1.DataBind();
//Label1.Text = s;
}
protected void Button7_Click(object sender, EventArgs e)
{
//EMSEntities dbcontext = new EMSEntities();
//emp e1 = new emp();
//e1.empId = int.Parse(TextBox2.Text);
//e1.name = TextBox4.Text;
//e1.deptno = int.Parse(TextBox5.Text);
//e1.job = TextBox5.Text;
//e1.salary = int.Parse(TextBox6.Text);
//dbcontext.emps.Add(e1);
//dbcontext.SaveChanges();
//Label1.Text = "added from emp table";
EMSEntities dbcontext = new EMSEntities();
emp e1 = new emp();
e1.empId = 786;
e1.name = "pabel";
e1.deptno = 56;
e1.job = "hr";
e1.salary = 6700;
dbcontext.emps.Add(e1);
dbcontext.SaveChanges();
Label1.Text = "added from emp table";
}
