private void btn_Update_Click(object sender, EventArgs e)
{
using (Student_DBEntities db = new Student_DBEntities())
{
var Stud = db.tbl_Student.Find(Convert.ToInt32(tb_ID.Text));
if (Stud != null)
{
Stud.Name = tb_Name.Text;
Stud.Mobile_No = Convert.ToInt64(tb_Mobile_No.Text);
Stud.City = cmb_City.Text;
Stud.DOB = dtp_DOB.Value;
if (rbtn_male.Checked)
{
Stud.Gender = rbtn_male.Text;
}
else
{
Stud.Gender = rbtn_Female.Text;
}
db.SaveChanges();
MessageBox.Show("Information Deleted Successfully", "Success", MessageBoxButtons.OK, MessageBoxIcon.Information);
ClearControls();
}
else
{
MessageBox.Show("Invalid Student ID Can't Delete", "Failure", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
private void btn_Search_Click(object sender, EventArgs e)
{
using (Student_DBEntities db = new Student_DBEntities())
{
var Stud = db.tbl_Student.Find(Convert.ToInt32(tb_ID.Text));
if (Stud != null)
{
tb_Name.Text = Stud.Name;
tb_Mobile_No.Text = Stud.Mobile_No.ToString();
cmb_City.Text = Stud.City.ToString();
dtp_DOB.Value = Stud.DOB;
if (Stud.Gender.Contains(rbtn_male.Text))
{
rbtn_male.Checked = true;
}
else
{
rbtn_Female.Checked = true;
}
MessageBox.Show("Information Found Successfully", "Success", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
else
{
MessageBox.Show("Invalid Student ID", "Failure", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
private void frm_View_All_Student_Details_Load(object sender, EventArgs e)
{
//lbl_Header.Text = "Update";
using (Student_DBEntities db = new Student_DBEntities())
{
dgv_Student_Details.DataSource = (from s in db.tbl_Student select s).ToList();
}
}
void Autoincreament()
{
using (Student_DBEntities db = new Student_DBEntities())
{
var CntID = (from s in db.tbl_Student select s.Id).Count();
if (CntID != 0)
{
var MaxID = (from s in db.tbl_Student select s.Id).Max();
tb_ID.Text = (Convert.ToInt32(MaxID += 1)).ToString();
}
else
{
tb_ID.Text = (Convert.ToInt32(CntID = 1001)).ToString();
}
}
}
private void btn_Delete_Click(object sender, EventArgs e)
{
using (Student_DBEntities db = new Student_DBEntities())
{
var Stud = db.tbl_Student.Find(Convert.ToInt32(tb_ID.Text));
if (Stud != null)
{
db.tbl_Student.Remove(Stud);
db.SaveChanges();
MessageBox.Show("Information Deleted Successfully", "Success", MessageBoxButtons.OK, MessageBoxIcon.Information);
ClearControls();
}
else
{
MessageBox.Show("Invalid Student ID Can't Delete", "Failure", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
private void btn_Save_Click(object sender, EventArgs e)
{
string gender = null;
if (tb_ID.Text != "" && tb_Name.Text != "" && tb_Mobile_No.Text != "" && cmb_City.Text != "" && (rbtn_male.Checked || rbtn_Female.Checked))
{
using (Student_DBEntities db = new Student_DBEntities())
{
if (rbtn_male.Checked)
{
gender = rbtn_male.Text;
}
else
{
gender = rbtn_Female.Text;
}
db.tbl_Student.Add(new tbl_Student()
{
Id = Convert.ToInt32(tb_ID.Text),
Name = tb_Name.Text,
Mobile_No = Convert.ToInt64(tb_Mobile_No.Text),
City = cmb_City.Text,
DOB = dtp_DOB.Value,
Gender = gender
}
);
db.SaveChanges();
MessageBox.Show("Information Save Successfully", "Success", MessageBoxButtons.OK, MessageBoxIcon.Information);
Autoincreament();
ClearControls();
}
}
else
{
MessageBox.Show("1st Fill All The Fields", "Failure", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
