private IList<string[]> GetUserData() { B_User bll = new B_User(); int num; string text = string.Empty; if (this.RadUserType0.Checked) { num = 0; } else if (this.RadUserType2.Checked) { num = 2; text = this.TxtUserName.Text; if (string.IsNullOrEmpty(text)) { function.WriteErrMsg("没有输入指定会员名"); this.TxtUserName.Focus(); return null; } } else { num = 3; if (string.IsNullOrEmpty(this.TxtEmails.Text)) { function.WriteErrMsg("没有指定收件人邮件地址"); this.TxtEmails.Focus(); return null; } IList<string[]> list = new List<string[]>(); foreach (string str2 in this.TxtEmails.Text.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries)) { list.Add(new string[] { "", str2 }); } return list; } return bll.GetUserNameAndEmailList(num, text); }