private void button1_Click(object sender, EventArgs e)
        {
            this.Hide();
            Manage_Users MU = new Manage_Users();

            MU.Show();
        }
 private void button2_Click(object sender, EventArgs e)
 {
     try
     {
         SqlConnection sqlcon = new SqlConnection(@"Data Source=SELVAH\SQLSERVER;Initial Catalog=master;Integrated Security=True;");
         sqlcon.Open();
         SqlCommand cmd = new SqlCommand("insert into EmployeeDB ( LoginType, EmpID, Name, Date_Of_Joining, Gender,Contact_No, AddressInfo, Passcode) values (@str0,@str1,@str2,@str3,@str4,@str5,@str6,@str7)", sqlcon);
         cmd.Parameters.AddWithValue("@str0", comboBox1.SelectedItem.ToString());
         cmd.Parameters.AddWithValue("@str1", textBox1.Text);
         cmd.Parameters.AddWithValue("@str2", textBox2.Text);
         cmd.Parameters.AddWithValue("@str3", textBox3.Text);
         cmd.Parameters.AddWithValue("@str4", gender);
         cmd.Parameters.AddWithValue("@str5", textBox4.Text);
         cmd.Parameters.AddWithValue("@str6", textBox6.Text);
         cmd.Parameters.AddWithValue("@str7", textBox5.Text);
         cmd.ExecuteNonQuery();
         this.Hide();
         MessageBox.Show("Profile Created Successfully!", "Successful", MessageBoxButtons.OK);
         Manage_Users MU = new Manage_Users();
         MU.Show();
     }
     catch
     {
         MessageBox.Show("Error Occured !", "Error", MessageBoxButtons.OK);
     }
 }
        private void button1_Click(object sender, EventArgs e)
        {
            try
            {
                if (textBox1.Text == "" || textBox2.Text == "")
                {
                    MessageBox.Show("ADMIN ID or Password must not be empty !", "Authorization Failed", MessageBoxButtons.OK);
                }
                else
                {
                    SqlConnection sqlcon = new SqlConnection(@"Data Source=SELVAH\SQLSERVER;Initial Catalog=master;Integrated Security=True;");
                    sqlcon.Open();
                    string         type = "Admin";
                    string         try1 = "Select * from EmployeeDB where ((LoginType='" + type + "') and (empid='" + this.textBox1.Text + "')and (passcode='" + this.textBox2.Text + "'))";
                    SqlDataAdapter sda  = new SqlDataAdapter(try1, sqlcon);
                    DataTable      dtc  = new DataTable();
                    sda.Fill(dtc);

                    if (dtc.Rows.Count.ToString() == "1")
                    {
                        this.Hide();
                        SqlCommand command = new SqlCommand("DELETE FROM EmployeeDB WHERE empid = @id", sqlcon);
                        command.Parameters.AddWithValue("@id", empid);
                        command.ExecuteNonQuery();
                        sqlcon.Close();

                        MessageBox.Show("Profile Deleted Successfully!", "Successful", MessageBoxButtons.OK);
                        Manage_Users M = new Manage_Users();
                        M.Show();
                    }
                    else
                    {
                        MessageBox.Show("Enter Valid password and user id!", "Authorization Failed", MessageBoxButtons.OK);
                    }
                }
            }
            catch
            {
                MessageBox.Show("Error Occured !", "Error", MessageBoxButtons.OK);
            }
        }