Hi,
I'm trying to add a default item to my listbox but when I do it tells me
that it's not defined, could someone tell me the syntax I need to use to get
the listbox control to display a default item?
I have tried the following:
lstStates.Items .Insert(0, new ListItem("By State","0"))
ME.lstStates.It ems.Insert(0, new ListItem("By State","0"))
Joey
Private Sub Page_Load(ByVal sender As System.Object, ByVal e As
System.EventArg s)
CategoryID = Cint(request.qu erystring("Cate goryID"))
If Not Page.IsPostBack () Then
lstStates.DataS ource = BindStates
lstStates.DataV alueField = "LocationID "
lstStates.DataT extField = "Location"
' lstStates.Items .Insert(0, new ListItem("By State","0"))
lstStates.Selec tedIndex = 0
lstStates.DataB ind()
lstCategorie.Da taSource = BindCategories
lstCategorie.Da taValueField = "CategoryID "
lstCategorie.Da taTextField = "CategoryDe sc"
'lstCategorie.I tems.Insert(0, new ListItem("By Category","0"))
lstCategorie.Se lectedIndex = 0
lstCategorie.Da taBind()
BindTheData(Cat egoryID)
End If
End Sub
3  4782 
Hi Ryan,
The error happens when the page is loaded, I have the list on the page and
the listbox declared in the page. The error says Type 'ListItem' is not
defined..
What am I misssing?
Protected WithEvents lstStates As System.Web.UI.W ebControls.List Box
Protected WithEvents lstCategorie As System.Web.UI.W ebControls.List Box
Private Sub Page_Load(ByVal sender As System.Object, ByVal e As
System.EventArg s)
CategoryID = Cint(request.qu erystring("Cate goryID"))
If Not Page.IsPostBack () Then
lstStates.DataS ource = BindStates
lstStates.DataV alueField = "LocationID "
lstStates.DataT extField = "Location"
' lstStates.Items .Insert(0, new ListItem("By State","0"))
lstStates.Selec tedIndex = 0
lstStates.DataB ind()
lstCategorie.Da taSource = BindCategories
lstCategorie.Da taValueField = "CategoryID "
lstCategorie.Da taTextField = "CategoryDe sc"
lstCategorie.It ems.Insert(0, new ListItem("By Category","0"))
lstCategorie.Se lectedIndex = 0
lstCategorie.Da taBind()
BindTheData(Cat egoryID)
End If
End Sub
"Ryan Riddell" <Ry*********@di scussions.micro soft.com> wrote in message
news:C1******** *************** ***********@mic rosoft.com... It looks like everything is working just fine. I did the following:
LB.Items.Add(Ne w ListItem("Field 03 - Field04", "Field03 - Field04"))
LB.Items.Add(Ne w ListItem("Field 05 - Field06", "Field05 - Field06"))
LB.Items.Insert (0, New ListItem("RYAN" ))
And it worked just fine. What line is the error on? What "isn't
defined"? You do have the listbox defined on the .aspx page right? Or at
least added to the page at some point?
-Ryan
"Joey" wrote:
Hi,
I'm trying to add a default item to my listbox but when I do it tells me
that it's not defined, could someone tell me the syntax I need to use to
get the listbox control to display a default item?
I have tried the following:
lstStates.Items .Insert(0, new ListItem("By State","0"))
ME.lstStates.It ems.Insert(0, new ListItem("By State","0"))
Joey
Private Sub Page_Load(ByVal sender As System.Object, ByVal e As
System.EventArg s)
CategoryID = Cint(request.qu erystring("Cate goryID"))
If Not Page.IsPostBack () Then
lstStates.DataS ource = BindStates
lstStates.DataV alueField = "LocationID "
lstStates.DataT extField = "Location"
' lstStates.Items .Insert(0, new ListItem("By State","0"))
lstStates.Selec tedIndex = 0
lstStates.DataB ind()
lstCategorie.Da taSource = BindCategories
lstCategorie.Da taValueField = "CategoryID "
lstCategorie.Da taTextField = "CategoryDe sc"
'lstCategorie.I tems.Insert(0, new ListItem("By Category","0"))
lstCategorie.Se lectedIndex = 0
lstCategorie.Da taBind()
BindTheData(Cat egoryID)
End If
End Sub
Are you sure you have a reference System.Web.UI.W ebControls? I notice that
you're using the fully qualified name on your listbox declarations but not
on the ListItem declarations.
Dale Preston
MCAD, MCSE, MCDBA
"Joey" <jo**********@d igital.com> wrote in message
news:up******** ******@tk2msftn gp13.phx.gbl... Hi Ryan,
The error happens when the page is loaded, I have the list on the page and
the listbox declared in the page. The error says Type 'ListItem' is not
defined..
What am I misssing?
Protected WithEvents lstStates As System.Web.UI.W ebControls.List Box
Protected WithEvents lstCategorie As System.Web.UI.W ebControls.List Box
Private Sub Page_Load(ByVal sender As System.Object, ByVal e As
System.EventArg s)
CategoryID = Cint(request.qu erystring("Cate goryID"))
If Not Page.IsPostBack () Then
lstStates.DataS ource = BindStates
lstStates.DataV alueField = "LocationID "
lstStates.DataT extField = "Location"
' lstStates.Items .Insert(0, new ListItem("By State","0"))
lstStates.Selec tedIndex = 0
lstStates.DataB ind()
lstCategorie.Da taSource = BindCategories
lstCategorie.Da taValueField = "CategoryID "
lstCategorie.Da taTextField = "CategoryDe sc"
lstCategorie.It ems.Insert(0, new ListItem("By Category","0"))
lstCategorie.Se lectedIndex = 0
lstCategorie.Da taBind()
BindTheData(Cat egoryID)
End If
End Sub
"Ryan Riddell" <Ry*********@di scussions.micro soft.com> wrote in message
news:C1******** *************** ***********@mic rosoft.com... It looks like everything is working just fine. I did the following:
LB.Items.Add(Ne w ListItem("Field 03 - Field04", "Field03 - Field04"))
LB.Items.Add(Ne w ListItem("Field 05 - Field06", "Field05 - Field06"))
LB.Items.Insert (0, New ListItem("RYAN" ))
And it worked just fine. What line is the error on? What "isn't defined"? You do have the listbox defined on the .aspx page right? Or at
least added to the page at some point?
-Ryan
"Joey" wrote:
Hi,
I'm trying to add a default item to my listbox but when I do it tells
me that it's not defined, could someone tell me the syntax I need to use
to get the listbox control to display a default item?
I have tried the following:
lstStates.Items .Insert(0, new ListItem("By State","0"))
ME.lstStates.It ems.Insert(0, new ListItem("By State","0"))
Joey
Private Sub Page_Load(ByVal sender As System.Object, ByVal e As
System.EventArg s)
CategoryID = Cint(request.qu erystring("Cate goryID"))
If Not Page.IsPostBack () Then
lstStates.DataS ource = BindStates
lstStates.DataV alueField = "LocationID "
lstStates.DataT extField = "Location"
' lstStates.Items .Insert(0, new ListItem("By State","0"))
lstStates.Selec tedIndex = 0
lstStates.DataB ind()
lstCategorie.Da taSource = BindCategories
lstCategorie.Da taValueField = "CategoryID "
lstCategorie.Da taTextField = "CategoryDe sc"
'lstCategorie.I tems.Insert(0, new ListItem("By Category","0"))
lstCategorie.Se lectedIndex = 0
lstCategorie.Da taBind()
BindTheData(Cat egoryID)
End If
End Sub
Sorry for the delay, I couldn't post yesterday for no apparent reason.
Try what Dale said. If that doesn't work, try doing this order:
lstCategorie.Da taBind()
lstCategorie.It ems.Insert(0, new ListItem("By Category","0"))
lstCategorie.Se lectedIndex = 0
That is bind the data, then try and add the new ListItem.
"Joey" wrote: Hi Ryan,
The error happens when the page is loaded, I have the list on the page and
the listbox declared in the page. The error says Type 'ListItem' is not
defined..
What am I misssing?
Protected WithEvents lstStates As System.Web.UI.W ebControls.List Box
Protected WithEvents lstCategorie As System.Web.UI.W ebControls.List Box
Private Sub Page_Load(ByVal sender As System.Object, ByVal e As
System.EventArg s)
CategoryID = Cint(request.qu erystring("Cate goryID"))
If Not Page.IsPostBack () Then
lstStates.DataS ource = BindStates
lstStates.DataV alueField = "LocationID "
lstStates.DataT extField = "Location"
' lstStates.Items .Insert(0, new ListItem("By State","0"))
lstStates.Selec tedIndex = 0
lstStates.DataB ind()
lstCategorie.Da taSource = BindCategories
lstCategorie.Da taValueField = "CategoryID "
lstCategorie.Da taTextField = "CategoryDe sc"
lstCategorie.It ems.Insert(0, new ListItem("By Category","0"))
lstCategorie.Se lectedIndex = 0
lstCategorie.Da taBind()
BindTheData(Cat egoryID)
End If
End Sub
"Ryan Riddell" <Ry*********@di scussions.micro soft.com> wrote in message
news:C1******** *************** ***********@mic rosoft.com... It looks like everything is working just fine. I did the following:
LB.Items.Add(Ne w ListItem("Field 03 - Field04", "Field03 - Field04"))
LB.Items.Add(Ne w ListItem("Field 05 - Field06", "Field05 - Field06"))
LB.Items.Insert (0, New ListItem("RYAN" ))
And it worked just fine. What line is the error on? What "isn't
defined"? You do have the listbox defined on the .aspx page right? Or at
least added to the page at some point?
-Ryan
"Joey" wrote:
Hi,
I'm trying to add a default item to my listbox but when I do it tells me
that it's not defined, could someone tell me the syntax I need to use to get the listbox control to display a default item?
I have tried the following:
lstStates.Items .Insert(0, new ListItem("By State","0"))
ME.lstStates.It ems.Insert(0, new ListItem("By State","0"))
Joey
Private Sub Page_Load(ByVal sender As System.Object, ByVal e As
System.EventArg s)
CategoryID = Cint(request.qu erystring("Cate goryID"))
If Not Page.IsPostBack () Then
lstStates.DataS ource = BindStates
lstStates.DataV alueField = "LocationID "
lstStates.DataT extField = "Location"
' lstStates.Items .Insert(0, new ListItem("By State","0"))
lstStates.Selec tedIndex = 0
lstStates.DataB ind()
lstCategorie.Da taSource = BindCategories
lstCategorie.Da taValueField = "CategoryID "
lstCategorie.Da taTextField = "CategoryDe sc"
'lstCategorie.I tems.Insert(0, new ListItem("By Category","0"))
lstCategorie.Se lectedIndex = 0
lstCategorie.Da taBind()
BindTheData(Cat egoryID)
End If
End Sub
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