C# 单击向导中的“完成”按钮后,当系统发送电子邮件时,如何向系统添加(请稍候)屏幕或弹出窗口?
我使用ASP.NET向导控件向我开发的基于web的应用程序添加新用户。一切都很好。现在,我从系统管理员那里得到了一个新的要求,即向新用户发送电子邮件通知,告知他已添加到系统中。我在代码中添加了邮件功能,它可以正常工作。现在,单击向导上的“完成”按钮后,用户将被添加到数据库中,系统将向用户发送电子邮件通知,然后向导将向我显示成功消息。但是,有时需要很长时间,系统才会将该电子邮件发送给用户,向导才会向我显示成功消息 那么,在系统向用户发送电子邮件的过程中,如何显示(请稍候)屏幕/弹出窗口? 带有邮件功能的代码隐藏:C# 单击向导中的“完成”按钮后,当系统发送电子邮件时,如何向系统添加(请稍候)屏幕或弹出窗口?,c#,asp.net,sql-server-2008-r2,C#,Asp.net,Sql Server 2008 R2,我使用ASP.NET向导控件向我开发的基于web的应用程序添加新用户。一切都很好。现在,我从系统管理员那里得到了一个新的要求,即向新用户发送电子邮件通知,告知他已添加到系统中。我在代码中添加了邮件功能,它可以正常工作。现在,单击向导上的“完成”按钮后,用户将被添加到数据库中,系统将向用户发送电子邮件通知,然后向导将向我显示成功消息。但是,有时需要很长时间,系统才会将该电子邮件发送给用户,向导才会向我显示成功消息 那么,在系统向用户发送电子邮件的过程中,如何显示(请稍候)屏幕/弹出窗口? 带有邮件
protected void Wizard1_FinishButtonClick(object sender, WizardNavigationEventArgs e)
{
string username = TextBox1.Text;
if (!String.IsNullOrEmpty(radio1.SelectedValue) && !String.IsNullOrEmpty(username))
{
string connString = "Data Source=localhost;Initial Catalog=TestDB;Integrated Security=True";
string insertUserCommand = "INSERT INTO employee (Name, Username, JobTitle, BadgeNo, EmpOrgType, DivisionCode) values (@Name, @Username, @JobTitle, @BadgeNo, @EmpOrgType, @DivisionCode)";
string cmdText = "SELECT Count(*) FROM employee WHERE Username = '" + username + "'";
using (SqlConnection conn = new SqlConnection(connString))
{
conn.Open();
// Open DB connection.
using (SqlCommand cmd = new SqlCommand(cmdText, conn))
{
if ((int)cmd.ExecuteScalar() == 0){
SqlCommand cmd2 = new SqlCommand(insertUserCommand, conn);
cmd2.Parameters.AddWithValue("@Name", user.Name);
cmd2.Parameters.AddWithValue("@Username", username);
cmd2.Parameters.AddWithValue("@JobTitle", jobTitle);
cmd2.Parameters.AddWithValue("@BadgeNo", EmpNo.));
cmd2.Parameters.AddWithValue("@EmpOrgType", orgType);
cmd2.Parameters.AddWithValue("@DivisionCode", orgCode);
cmd2.ExecuteNonQuery();
}
}
}
//For updating the role of the user
string deleteCommand = "DELETE FROM UserRole where Username=@Username";
string insertCommand = "INSERT INTO UserRole (RoleID,Username) values(@RoleID,@Username)";
using (SqlConnection conn = new SqlConnection(connString))
{
conn.Open();
//using (SqlCommand cmd = new SqlCommand(cmdText, conn))
using (SqlCommand cmd = new SqlCommand(deleteCommand, conn))
{
cmd.Parameters.AddWithValue("@Username", username);
cmd.ExecuteNonQuery();
//Now the insert
cmd.CommandText = insertCommand;
cmd.Parameters.Clear();
cmd.Parameters.AddWithValue("@RoleID", radio1.SelectedValue);
cmd.Parameters.AddWithValue("@Username", username);
cmd.ExecuteNonQuery();
//infoSpan.InnerText = String.Format("The users role has been updated to - {0}", radio1.SelectedValue);
//cmd.ExecuteScalar();
//infoSpan.InnerText = String.Format("The users role has been updated to - {0}", radio1.SelectedValue);
}
}
Wizard1.Visible = false;
wizard.InnerHtml = @"<p><b>The task has been done successfully.</b> <br /> <a href='UserManagement.aspx'>Edit Another User</a></p>";
}
SendEmailToUser(username);
}
/*****************************************************/
protected void SendNotificationByEmail(string toAddresses, string fromAddress, string MailSubject, string MessageBody, bool isBodyHtml)
{
SmtpClient sc = new SmtpClient("MailAddress");
try
{
MailMessage msg = new MailMessage();
msg.From = new MailAddress("test@mailAddress.com", "Test Sys");
msg.Bcc.Add(toAddresses);
msg.Subject = MailSubject;
msg.Body = MessageBody;
msg.IsBodyHtml = isBodyHtml;
sc.Send(msg);
}
catch (Exception ex)
{
throw ex;
}
}
protected void Send(string username)
{
string connString = "Data Source=localhost;Initial Catalog=TestDB;Integrated Security=True";
string networkID = username.ToString();
using (SqlConnection conn = new SqlConnection(connString))
{
var sbEmailAddresses = new System.Text.StringBuilder(2000);
//initiate the varibles that will be retreived from the database
string name = null;
// Open DB connection.
conn.Open();
string cmdText2 = @"SELECT Name
FROM dbo.employee
WHERE (Username = @networkID)";
using (SqlCommand cmd = new SqlCommand(cmdText2, conn))
{
cmd.Parameters.AddWithValue("@networkID", networkID);
SqlDataReader reader = cmd.ExecuteReader();
if (reader != null)
{
if (reader.Read())
{
name = reader["Name"].ToString();
sbEmailAddresses.Append(username).Append("@mailAddress.com");
}
}
//var sEMailAddresses = sbEmailAddresses.ToString();
string body = @"...........................";
SendNotificationByEmail(sbEmailAddresses.ToString(), "", "Welcome...", body, true);
sbEmailAddresses.Clear();
reader.Close();
}
conn.Close();
}
}
protectedvoid向导1\u finishbutton单击(对象发送方,向导导航目标)
{
字符串username=TextBox1.Text;
如果(!String.IsNullOrEmpty(radio1.SelectedValue)和&!String.IsNullOrEmpty(username))
{
string connString=“数据源=本地主机;初始目录=TestDB;集成安全性=True”;
string insertUserCommand=“将值(@Name、@Username、@JobTitle、@BadgeNo、@EmpOrgType、@DivisionCode)插入员工(姓名、用户名、职务头衔、徽章编号、EmpOrgType、部门代码)中”;
string cmdText=“从用户名为“+”用户名为“+”的员工中选择计数(*);
使用(SqlConnection conn=newsqlconnection(connString))
{
conn.Open();
//打开数据库连接。
使用(SqlCommand cmd=newsqlcommand(cmdText,conn))
{
如果((int)cmd.ExecuteScalar()==0){
SqlCommand cmd2=新的SqlCommand(insertUserCommand,conn);
cmd2.Parameters.AddWithValue(“@Name”,user.Name);
cmd2.Parameters.AddWithValue(“@Username”,Username);
cmd2.Parameters.AddWithValue(“@JobTitle”,JobTitle);
cmd2.Parameters.AddWithValue(“@BadgeNo”,EmpNo.);
cmd2.Parameters.AddWithValue(“@EmpOrgType”,orgType);
cmd2.Parameters.AddWithValue(“@DivisionCode”,orgCode);
cmd2.ExecuteNonQuery();
}
}
}
//用于更新用户的角色
string deleteCommand=“从UserRole中删除,其中Username=@Username”;
string insertCommand=“插入UserRole(RoleID,Username)值(@RoleID,@Username)”;
使用(SqlConnection conn=newsqlconnection(connString))
{
conn.Open();
//使用(SqlCommand cmd=newsqlcommand(cmdText,conn))
使用(SqlCommand cmd=newsqlcommand(deletecondm,conn))
{
cmd.Parameters.AddWithValue(“@Username”,Username);
cmd.ExecuteNonQuery();
//现在插入
cmd.CommandText=插入命令;
cmd.Parameters.Clear();
cmd.Parameters.AddWithValue(“@RoleID”,radio1.SelectedValue);
cmd.Parameters.AddWithValue(“@Username”,Username);
cmd.ExecuteNonQuery();
//infoSpan.InnerText=String.Format(“用户角色已更新为-{0}”,radio1.SelectedValue);
//cmd.ExecuteScalar();
//infoSpan.InnerText=String.Format(“用户角色已更新为-{0}”,radio1.SelectedValue);
}
}
向导1.可见=假;
wizard.InnerHtml=@“任务已成功完成。
”;
}
SendEmailToUser(用户名);
}
/*****************************************************/
受保护的void SendNotificationByEmail(string to Address、string fromAddress、string MailSubject、string MessageBody、bool isBodyHtml)
{
SmtpClient sc=新的SmtpClient(“邮件地址”);
尝试
{
MailMessage msg=新的MailMessage();
msg.From=新邮件地址(“test@mailAddress.com“,“测试系统”);
msg.Bcc.Add(地址);
msg.Subject=MailSubject;
msg.Body=MessageBody;
msg.IsBodyHtml=IsBodyHtml;
sc.Send(msg);
}
捕获(例外情况除外)
{
掷骰子;
}
}
受保护的无效发送(字符串用户名)
{
string connString=“数据源=本地主机;初始目录=TestDB;集成安全性=True”;
字符串networkID=username.ToString();
使用(SqlConnection conn=newsqlconnection(connString))
{
var sbEmailAddresses=newsystem.Text.StringBuilder(2000);
//启动将从数据库检索的变量
字符串名称=null;
//打开数据库连接。
conn.Open();
字符串cmdText2=@“选择名称”
来自dbo.employee
其中(用户名=@networkID)”;
使用(SqlCommand cmd=newsqlcommand(cmdText2,conn))
{
cmd.Parameters.AddWithValue(“@networkID”,networkID);
SqlDataReader=cmd.ExecuteReader();
if(读卡器!=null)
{
if(reader.Read())
{
name=reader[“name”].ToString();
sbEmailAddresses.Append(用户名).Append(@mailAddress.com));
}
}
//var-sEMa