private void button1_Click(object sender, EventArgs e) { if (textBox1.Text != selectedItem && blc.IsExistAdmin(textBox1.Text)) { MessageBox.Show("Admin with same User Name already exist.\nPlease use another UserName."); } else if (textBox1.Text == "" || textBox2.Text == "" || textBox3.Text == "" || textBox4.Text == "" || textBox5.Text == "" || textBox6.Text == "" || textBox7.Text == "" || textBox8.Text == "") { MessageBox.Show("Please fill all the information correctly."); } else if (textBox1.Text.Length != 8) { MessageBox.Show("Please use 8 character for a User Name."); } else { blc.UpdateAdmin(selectedItem, textBox1.Text, textBox2.Text, textBox3.Text, textBox8.Text, textBox4.Text, textBox5.Text, textBox7.Text, textBox6.Text); //selectedItem = textBox1.Text; this.Hide(); AdminInfo obj = new AdminInfo(selectedItem, loginUserName); obj.Show(); MessageBox.Show("Admin informaton updated successfully."); } }