Dynamically adding rows to table web server control

[Geary]

I am trying to programmaticall y add rows of data to a table web control
in VS2005. I am getting the data from 2 drop-down controls and 2
text-boxes. The code below is executed when I click on the "add"
button. The code is pretty much lifted from an example on MSDN.

Problem:

The first time I try to add a row, it works fine. But when I try to add
another row, it simply overwrites the first. I need to add new row
every time the user clicks the 'add' button.

--------------------------------

Protected Sub btnProdAdd_Clic k(ByVal sender As Object, ByVal e As
System.EventArg s) Handles btnProdAdd.Clic k

Dim tr As New TableRow()

Dim cellGrade As New TableCell()
cellGrade.Text = cboGrade.Select edValue.ToStrin g
tr.Cells.Add(ce llGrade)

Dim cellStrips As New TableCell()
cellStrips.Text = cboStrips.Selec tedValue.ToStri ng
tr.Cells.Add(ce llStrips)

Dim cellYards As New TableCell()
cellYards.Text = txtYards.Text.T oString
tr.Cells.Add(ce llYards)

Dim cellScrap As New TableCell()
cellScrap.Text = txtScrap.Text.T oString
tr.Cells.Add(ce llScrap)

tblProd.Rows.Ad d(tr)


End Sub

[bruce barker]

Re: Dynamically adding rows to table web server control

your code needs to remember the rows it added on the last click, and
re-add them on the postback (say in oninit).

-- bruce (sqlwork.com)

Geary wrote:

I am trying to programmaticall y add rows of data to a table web control
in VS2005. I am getting the data from 2 drop-down controls and 2
text-boxes. The code below is executed when I click on the "add"
button. The code is pretty much lifted from an example on MSDN.
>
Problem:
>
The first time I try to add a row, it works fine. But when I try to add
another row, it simply overwrites the first. I need to add new row
every time the user clicks the 'add' button.
>
--------------------------------
>
Protected Sub btnProdAdd_Clic k(ByVal sender As Object, ByVal e As
System.EventArg s) Handles btnProdAdd.Clic k
>
Dim tr As New TableRow()
>
Dim cellGrade As New TableCell()
cellGrade.Text = cboGrade.Select edValue.ToStrin g
tr.Cells.Add(ce llGrade)
>
Dim cellStrips As New TableCell()
cellStrips.Text = cboStrips.Selec tedValue.ToStri ng
tr.Cells.Add(ce llStrips)
>
Dim cellYards As New TableCell()
cellYards.Text = txtYards.Text.T oString
tr.Cells.Add(ce llYards)
>
Dim cellScrap As New TableCell()
cellScrap.Text = txtScrap.Text.T oString
tr.Cells.Add(ce llScrap)
>
tblProd.Rows.Ad d(tr)
>
>
End Sub

[Geary]

Re: Dynamically adding rows to table web server control

If I am understanding you correctly, you are saying that every time the
user triggers the code to add a new record to the table control, the
code has to re-add all of the existing records already in the table in
addition to the new one?

And this would be because of the statelessness of web apps?

bruce barker wrote:

your code needs to remember the rows it added on the last click, and
re-add them on the postback (say in oninit).
>
-- bruce (sqlwork.com)
>
Geary wrote:

>I am trying to programmaticall y add rows of data to a table web
>control in VS2005. I am getting the data from 2 drop-down controls
>and 2 text-boxes. The code below is executed when I click on the
>"add" button. The code is pretty much lifted from an example on MSDN.
>>
>Problem:
>>
>The first time I try to add a row, it works fine. But when I try to
>add another row, it simply overwrites the first. I need to add new
>row every time the user clicks the 'add' button.
>>
>--------------------------------
>>
>Protected Sub btnProdAdd_Clic k(ByVal sender As Object, ByVal e As
>System.EventAr gs) Handles btnProdAdd.Clic k
>>
> Dim tr As New TableRow()
>>
> Dim cellGrade As New TableCell()
> cellGrade.Text = cboGrade.Select edValue.ToStrin g
> tr.Cells.Add(ce llGrade)
>>
> Dim cellStrips As New TableCell()
> cellStrips.Text = cboStrips.Selec tedValue.ToStri ng
> tr.Cells.Add(ce llStrips)
>>
> Dim cellYards As New TableCell()
> cellYards.Text = txtYards.Text.T oString
> tr.Cells.Add(ce llYards)
>>
> Dim cellScrap As New TableCell()
> cellScrap.Text = txtScrap.Text.T oString
> tr.Cells.Add(ce llScrap)
>>
> tblProd.Rows.Ad d(tr)
>>
>>
> End Sub