private void btnadd_Click(object sender, EventArgs e) { if (Class1.stuId != -1) { SqlConnection newcon1 = new SqlConnection(con); newcon1.Open(); string qu = "update Student set FirstName='" + txtfname.Text.ToString() + "',LastName='" + txtlname.Text.ToString() + "' ,Contact='" + txtcontact.Text.ToString() + "',Email='" + txtemail.Text.ToString() + "',RegistrationNumber='" + txtregno.Text.ToString() + "' where Id='" + Class1.stuId + "'"; SqlCommand newcom = new SqlCommand(qu, newcon1); newcom.ExecuteNonQuery(); newcon1.Close(); Class1.stuId = -1; } else { SqlConnection newcon = new SqlConnection(con); newcon.Open(); string qu = "insert into Student(FirstName,LastName,Contact,Email,RegistrationNumber,Status) values('" + txtfname.Text.ToString() + "','" + txtlname.Text.ToString() + "','" + txtcontact.Text.ToString() + "','" + txtemail.Text.ToString() + "','" + txtregno.Text.ToString() + "',5)"; SqlCommand newcom = new SqlCommand(qu, newcon); newcom.ExecuteNonQuery(); newcon.Close(); } this.Hide(); ManageStudents addnew = new ManageStudents(); addnew.Show(); }
private void linkLabel1_LinkClicked_1(object sender, LinkLabelLinkClickedEventArgs e) { this.Hide(); ManageStudents addnew = new ManageStudents(); addnew.Show(); }