ASP. NET upload parts are sent by time segment

Using System;
Using System. Collections;
Using System. Configuration;
Using System. Data;
Using System. Linq;
Using System. Web;
Using System. Web. Security;
Using System. Web. UI;
Using System. Web. UI. HtmlControls;
Using System. Web. UI. WebControls;
Using System. Web. UI. WebControls. WebParts;
Using System. Xml. Linq;
Using System. Threading;
Using System. Data. SqlClient;
Using System. Net. Mail;

Public partial class PJQGD: System. Web. UI. Page
{
Protected void Page_Load (object sender, EventArgs e)
{

}
Public void SendSMTPEMail (string strSmtpServer, string strFrom, string strFromPass, string strto, string strSubject, string strBody)
{
System. Net. Mail. SmtpClient client = new SmtpClient (strSmtpServer );
Client. usedefacrecredentials = false;
Client. Credentials = new System. Net. NetworkCredential (strFrom, strFromPass );
Client. DeliveryMethod = SmtpDeliveryMethod. Network;
System. Net. Mail. MailMessage message = new MailMessage (strFrom, strto, strSubject, strBody );
Message. BodyEncoding = System. Text. Encoding. UTF8;
Message. isbodyhtml = true;
Client. Send (Message );
}
Protected void timereffectick (Object sender, eventargs E)
{
String week = datetime. Now. dayofweek. tostring (); // week indicates the week;
If (week = "Sunday") // No message is sent on Sunday;
{

}
Else
{
Int nowhour = convert. toint32 (datetime. Now. Hour. tostring (); // retrieve the first hour;
If (nowhour = 8 | nowhour = 9 | nowhour = 10 | nowhour = 11 | nowhour = 12 | nowhour = 14 | nowhour = = 15 | nowhour = 16 | nowhour = 17)
{
Int it = 1;
While (it <1)
{
Thread. Sleep (1000 );
It ++;
}
If (it = 1)
{
Try
{
String str = "server = 192.168.3.127; database = FlowMaster; UId = sa; password = bruce_zhao888418 ";
Sqlconnection sqlcon = new sqlconnection (STR );
Sqlcon. open ();
Sqldataadapter sqlda = new sqldataadapter (@ "select * From pjqgd_view with (updlock) where (applyid = 'maintain 'or applyid = '000000' or applyid = '000000' or applyid = '000000') and (nows> = '2017/13 ') and (flag is null or flag = '') and (step = 'cd02e866-68b4-47df-9835-028ae56f7241 ') and 1 = 1", sqlcon );
DataSet ds = new DataSet ();
Sqlda. Fill (ds );
Int num = ds. Tables [0]. Rows. Count;
If (num> 0)
{
For (INT I = 0; I <num; I ++)
{
String subject = Ds. Tables [0]. Rows [I] [6]. tostring ();
String explain = Ds. Tables [0]. Rows [I] [7]. tostring ();
String pinming1 = Ds. Tables [0]. Rows [I] [8]. tostring ();
String pinming2 = Ds. Tables [0]. Rows [I] [9]. tostring ();
String pinming3 = Ds. Tables [0]. Rows [I] [10]. tostring ();
String pinming4 = Ds. Tables [0]. Rows [I] [11]. tostring ();
String pinming5 = Ds. Tables [0]. Rows [I] [12]. tostring ();
String norm1 = Ds. Tables [0]. Rows [I] [13]. tostring ();
String norm2 = Ds. Tables [0]. Rows [I] [14]. tostring ();
String norm3 = Ds. Tables [0]. Rows [I] [15]. tostring ();
String norm4 = Ds. Tables [0]. Rows [I] [16]. tostring ();
String norm5 = ds. Tables [0]. Rows [I] [17]. ToString ();
String SequenceID = ds. Tables [0]. Rows [I] [18]. ToString ();

String server = "192.168.2.8"; // defines the server address.
String sendEmail = "mis10@tjpcb.com"; // defines the sender's mailbox
String sendEmailPassWord = "123456"; // defines the sender's email password.
String getEmail = "sunny@tjpcb.com"; // get the recipient's email address
String titleEmail = "Please submit a ticket for updating accessories"; // define the subject of the email
String context = "table simple flow statement:" + sequenceid + "<br>" + "table simple subject:" + Subject + "<br>" + "Description: "+ explain +" <br> "+" Product Name 1: "+ pinming1 +" product specifications: "+ norm1 +" <br> "+" product name 2: "+ pinming2 +" product specifications: "+ norm2 +" <br> "+" Product Name 3: "+ pinming3 +" Product Specification: "+ norm3 +" <br> "+" product name 4: "+ pinming4 +" product specifications: "+ norm4 +" <br> "+" product name 5: "+ pinming5 +" Product Specification: "+ norm5; // defines the content of the email.
Sendsmtpemail (server, sendemail, sendemailpassword, getemail, titleemail, context );
SendSMTPEMail (server, sendEmail, sendEmailPassWord, "guojianghua@tjpcb.com", titleEmail, context );
SendSMTPEMail (server, sendEmail, sendEmailPassWord, "gaohua@tjpcb.com", titleEmail, context );

}
String sqlstr = @ "update PJQGD_View set flag = 'havingsend' where (ApplyID = 'maintain ') or (ApplyID = '000000') or (ApplyID = '000000 ') or (ApplyID = '000000') and (nows> = '2017/13') and (Step = 'cd02e866-68B4-47DF-9835-028AE56F7241 ')";
SqlCommand cmd = new SqlCommand (sqlstr, sqlcon );
Cmd. ExecuteNonQuery ();
}
}
Catch (exception ER)
{
}
}
}
}
}
}