/// <summary>
/// 在控件验证 textBox_IdentityCard 的 Validated事件中定义身份证号码的合法性并根据身份证号码得到生日和性别 /// </summary> private void textBox_IdentityCard_Validated(object sender, EventArgs e) { try { string identityCard = textBox_IdentityCard.Text.Trim();//获取得到输入的身份证号码if (string.IsNullOrEmpty(identityCard))
{ MessageBox.Show("身份证号码不能为空！");//身份证号码不能为空，如果为空返回 if (textBox_IdentityCard.CanFocus) { textBox_IdentityCard.Focus();//设置当前输入焦点为textBox_IdentityCard } return; } else { if (identityCard.Length != 15 && identityCard.Length != 18)//身份证号码只能为15位或18位其它不合法 { MessageBox.Show("身份证号码为15位或18位，请检查！"); if (textBox_IdentityCard.CanFocus) { textBox_IdentityCard.Focus(); } return; } } string birthday = ""; string sex = ""; if (identityCard.Length == 18)//处理18位的身份证号码从号码中得到生日和性别代码 { birthday = identityCard.Substring(6, 4) + "-" + identityCard.Substring(10, 2) + "-" + identityCard.Substring(12, 2); sex = identityCard.Substring(14, 3); } if (identityCard.Length == 15) { birthday = "19" + identityCard.Substring(6, 2) + "-" + identityCard.Substring(8, 2) + "-" + identityCard.Substring(10, 2); sex = identityCard.Substring(12, 3); } textBox_Birthday.Text = birthday; if (int.Parse(sex) % 2 == 0)//性别代码为偶数是女性奇数为男性 { this.comboBox_Sex.Text = "女"; } else { this.comboBox_Sex.Text = "男"; } } catch (Exception ex) { MessageBox.Show("身份证号码输入有误"); if (textBox_IdentityCard.CanFocus) { textBox_IdentityCard.Focus(); } return; } }