How do I send an email in ASP.NET?

Imports System.Data
Imports System.Data.SqlClient
Imports System.Net.Mail


Partial Class Submit


    Inherits System.Web.UI.Page
    Dim objdt As System.Data.DataTable
    Dim objdr As System.Data.DataRow
    Dim ds As New DataSet





    Protected Sub submit_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnSubmit.Click
        Dim strConnection As String = "Data Source=mssql102.manage.myhosting.com;Initial Catalog=db1150602_group3;Integrated Security=False;User ID=u1150602_drnicholsongroup3;Password=w6p?K9x!,l;Connect Timeout=15;Encrypt=False;Packet Size=4096"
        Dim objconnection As New SqlConnection(strConnection)
        Dim mysqlDataAdapter As New SqlDataAdapter("select * From Faculty", objconnection)




        Dim myDataRow As DataRow
        Dim mydatarowscommandbuilder As New SqlCommandBuilder(mysqlDataAdapter)


        mysqlDataAdapter.MissingSchemaAction = MissingSchemaAction.AddWithKey
        mysqlDataAdapter.Fill(ds, "Faculty")
        myDataRow = ds.Tables("Faculty").NewRow()
        myDataRow("Work Title") = txtWorkTitle.Text
        myDataRow("Co-Authors") = txtCoAuthor.Text
        myDataRow("Additional Info") = txtAddInfo.Text
        ds.Tables("Faculty").Rows.Add(myDataRow)

        mysqlDataAdapter.Update(ds, "Faculty")




        txtWorkTitle.Text = ""
        txtCoAuthor.Text = ""
        txtCoAuthor2.Text = ""
        txtCoAuthor3.Text = ""
        txtCoAuthor4.Text = ""
        txtCoAuthor5.Text = ""
        txtAddInfo.Text = ""


        Try
            Dim Smtp_Server As New SmtpClient
            Dim e_mail As New MailMessage()
            Smtp_Server.UseDefaultCredentials = False
            Smtp_Server.Credentials = New Net.NetworkCredential("username@rowan.edu", "password")
            Smtp_Server.Port = 587
            Smtp_Server.EnableSsl = True
            Smtp_Server.Host = "smtp.gmail.com"
            e_mail = New MailMessage()
            e_mail.From = New MailAddress("username@rowan.edu")
            e_mail.To.Add("username@rowan.edu")
            e_mail.Subject = "Email Sending"
            e_mail.IsBodyHtml = False
            e_mail.Body = DropDownList1.DataTextField
            e_mail.Body = txtWorkTitle.Text
            e_mail.Body = txtCoAuthor.Text
            e_mail.Body = txtCoAuthor2.Text
            e_mail.Body = txtCoAuthor3.Text
            e_mail.Body = txtCoAuthor4.Text
            e_mail.Body = txtCoAuthor5.Text
            e_mail.Body = txtAddInfo.Text
            Smtp_Server.Send(e_mail)
            MsgBox("Mail Sent")
        Catch error_t As Exception
            MsgBox(error_t.ToString)
        End Try


    End Sub




    Protected Sub Button1_Click(sender As Object, e As System.EventArgs) Handles btnAdd.Click

        If (txtCoAuthor2.Visible = False) Then

            txtCoAuthor2.Visible = True

        End If

        If (txtCoAuthor3.Visible = False) Then



            txtCoAuthor2.Visible = True
            txtCoAuthor3.Visible = True
        End If


        If (txtCoAuthor4.Visible = False) Then



            txtCoAuthor2.Visible = True
            txtCoAuthor3.Visible = True
            txtCoAuthor4.Visible = True

        End If

        If (txtCoAuthor5.Visible = False) Then

            txtCoAuthor2.Visible = True
            txtCoAuthor3.Visible = True
            txtCoAuthor4.Visible = True
            txtCoAuthor5.Visible = True

        End If

    End Sub



End Class

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