private void button5_Click_1(object sender, EventArgs e) { bunifuMaterialTextbox1.Text.Trim(' '); bunifuMaterialTextbox2.Text.Trim(' '); bunifuMaterialTextbox4.Text.Trim(' '); if (bunifuMaterialTextbox1.Text.Length == 0 || bunifuMaterialTextbox2.Text.Length == 0 || bunifuMaterialTextbox4.Text.Length == 0) { MessageBox.Show("Enter All Information First"); } else { try { double Number = double.Parse(bunifuMaterialTextbox2.Text); if (bunifuMaterialTextbox2.Text.Length < 11 || bunifuMaterialTextbox2.Text.Length > 13) { MessageBox.Show("Enter Full Phone Number"); } else { if (bunifuMaterialTextbox4.Text.Contains("@") && bunifuMaterialTextbox4.Text.Contains(".com")) { int cc = 0, ac = 0; foreach (Match m in Regex.Matches(bunifuMaterialTextbox4.Text, ".com")) { cc++; } foreach (Match m in Regex.Matches(bunifuMaterialTextbox4.Text, "@")) { ac++; } if (cc == 1 && ac == 1) { bool accepetName = true; string name = bunifuMaterialTextbox1.Text; foreach (char c in name) { if (!((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || c == '.' || c == ' ')) { accepetName = false; break; } } if (accepetName == true) { bool result = emp.SaveUser(bunifuMaterialTextbox1.Text, bunifuMaterialTextbox2.Text, bunifuMaterialTextbox4.Text); SeekHelpForm sh = new SeekHelpForm(); this.Hide(); sh.Show(); } else { MessageBox.Show("Only letters and '.' are accepted"); } } else { MessageBox.Show("Enter Correct Email Address"); } } else { MessageBox.Show("Enter A valid Email Address"); } } } catch (FormatException) { MessageBox.Show("Enter A valid Phone Number"); } } }