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How do I add one textbox at a time after a click of a button?

Posted on 2014-04-12
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Last Modified: 2014-04-12
After the click of btnAdd, I want to add one co-author at a time up to 5 possible. Right now, I click the button and I get 5 textboxes.

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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Question by:ryanbecker24
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3 Comments
 
LVL 23

Expert Comment

by:Jens Fiederer
ID: 39996785
You could do ELSE Ifs.

If (txtCoAuthor2.Visible = False)

then your next two lines ALREADY do everything needed, so you can either return right away or guard the next conditionals with elses to keep from doing them, too.
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LVL 23

Accepted Solution

by:
Jens Fiederer earned 2000 total points
ID: 39996787
So
If (txtCoAuthor2.Visible = False) Then

            txtCoAuthor2.Visible = True
            return

        End If

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and so on
0
 

Author Closing Comment

by:ryanbecker24
ID: 39996790
Thank you
0

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