Checkbox in Datagrid

xianxian

Hi,

i have a column in my Datagrid that contains Checkboxes..
i need the user to select the Checkbox then store the id value of that row, into an ArrayList. i have done that & it works.

The problem is, when user deselects a Checkbox, how do i remove the id of that row from the ArrayList?

thanks in advance,
xianxian

xianxian

Hi,
i finally had it working :-


Protected Sub RowChanged(ByVal sender As System.Object, ByVal e As
System.EventArgs)
Dim a As New ArrayList
If Not Session("SelectResults") Is Nothing Then
a = CType(Session("SelectResults"), ArrayList)
End If

Dim dgItem As DataGridItem = CType(CType(sender,
Control).NamingContainer, DataGridItem)
Dim rec As Integer = CInt(dgItem.Cells(9).Text)

If Not a.Contains(rec) Then
a.Add(rec)
Else
Dim chkSel As CheckBox = CType(dgItem.Cells(0).Controls(1),
CheckBox)
If chkSel.Checked = False Then
a.Remove(rec)
End If
End If

Session("SelectResults") = a
End Sub


*PS: "rec" is a record number, just a unique item for every Checkbox in
my Datagrid.
Note that I have to first check whether the item is in my Arraylist,
before i check for Checked=False. If i do it the other way round, it
would not work.


in HTML, just add OnCheckedChanged="RowChanged" :-







...


This is just my own example, the reference is at "http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dv_vstechart/html/vbtchTopQuestionsAboutASPNETDataGridServerControl.asp"
titled "Checking for Changed items" in the section "Editing Multiple Rows At Once"